Olympians Who Set a World Record in Long Course Swimming (779)

Athlete Nation(s) Sport(s) Era Notes
Becky Adlington GBR SWI 2008—2012 800 m freestyle – 16 August 2008 - 3 August 2013: 8:14.10 (16 August 2008; Beijing, CHN)
Nathan Adrian USA SWI 2008—2016 4×100 m freestyle relay – 10 August 2008 - 11 August 2008: 3:12.23 (10 August 2008; Beijing, CHN); 4×100 m freestyle mixed relay – 8 August 2015 - 27 July 2019: 3:23.05 (8 August 2015; Kazan, RUS), 3:19.60 (29 July 2017; Budapest, HUN)
Crissy Ahmann-Leighton USA SWI 1992 4×100 m medley relay – 30 July 1992 - 10 September 1994: 4:02.54 (30 July 1992; Barcelona, ESP)
Lynne Allsup USA SWI 1964 4×100 m freestyle relay – 28 September 1964 - 15 October 1964: 4:07.6 (28 September 1964; Los Angeles, USA)
Franziska van Almsick GER SWI 1992—2004 200 m freestyle – 6 September 1994 - 27 March 2007: 1:56.78 (6 September 1994; Roma, ITA), 1:56.64 (3 August 2002; Berlin, GER); 4×100 m freestyle relay – 29 July 2002 - 14 August 2004: 3:36.00 (29 July 2002; Berlin, GER)
Therèse Alshammar SWE SWI 1996—2016 50 m butterfly – 13 June 2007 - 19 April 2009 and 31 July 2009 - 5 July 2014: 25.46 (13 June 2007; Barcelona, ESP), 25.07 (31 July 2009; Roma, ITA)
Robert Andersson SWE DIV/SWI/WAP 1906—1920 200 m breaststroke – 18 April 1909 - 2 October 1910: 3:08.3 (18 April 1909; Stockholm, SWE)
Jan Andrew AUS SWI 1960 100 m butterfly – 2 April 1961 - 12 August 1961: 1:08.9 (2 April 1961; Tokyo, JPN)
Gennady Androsov URS SWI 1956—1960 400 m medley – 10 March 1957 - 17 March 1957: 5:09.4 (10 March 1957; Lvov, URS)
Hannelore Anke GDR SWI 1972—1976 100 m breaststroke – 22 July 1976 - 22 August 1978: 1:11.11 (22 July 1976; Montréal, CAN), 1:10.86 (22 July 1976; Montréal, CAN); 4×100 m medley relay – 18 July 1976 - 20 July 1980: 4:07.95 (18 July 1976; Montréal, CAN)
Mayumi Aoki JPN SWI 1972 100 m butterfly – 21 July 1972 - 31 August 1972 and 1 September 1972 - 14 April 1973: 1:03.9 (21 July 1972; Tokyo, JPN), 1:03.34 (1 September 1972; München, FRG)
Shigeo Arai JPN SWI 1936 4×200 m freestyle relay – 11 August 1936 - 3 August 1948: 8:51.5 (11 August 1936; Berlin, GER)
Josette Arène FRA SWI 1948—1952 4×100 m medley relay – 16 August 1954 - 27 November 1954: 5:06.2 (16 August 1954; Marseille, FRA)
Duncan Armstrong AUS SWI 1988—1992 200 m freestyle – 19 September 1988 - 15 August 1989: 1:47.25 (19 September 1988; Seoul, KOR)
Eva Arndt-Riise DEN SWI 1936—1948 4×100 m freestyle relay – 7 August 1938 - 27 April 1952: 4:27.6 (7 August 1938; København, DEN) (competed as Eva Arndt)
Pär Arvidsson SWE SWI 1976—1980 100 m butterfly – 11 April 1980 - 3 April 1981: 54.15 (11 April 1980; Austin, USA)
Susie Atwood USA SWI 1968—1972 200 m backstroke – 14 August 1968 - 5 August 1972: 2:21.5 (14 August 1968; Louisville, USA); 4×100 m medley relay – 1 September 1970 - 3 September 1972: 4:27.4 (1 September 1970; Tokyo, JPN), 4:27.3 (11 September 1971; Minsk, URS), 4:25.34 (18 August 1972; Knoxville, USA)
Mike Austin USA SWI 1964 4×100 m freestyle relay – 14 October 1964 - 28 August 1967: 3:33.2 (14 October 1964; Tokyo, JPN)
Svetlana Babanina URS SWI 1964—1968 100 m breaststroke – 3 September 1964 - 17 July 1966: 1:17.2 (3 September 1964; Moskva, URS), 1:16.5 (11 May 1965; Tashkent, URS)
Jack Babashoff USA SWI 1976 4×100 m freestyle relay – 28 August 1977 - 5 August 1982: 3:21.11 (28 August 1977; Ost-Berlin, GDR), 3:19.74 (22 August 1978; West-Berlin, FRG); 4×100 m medley relay – 22 July 1976 - 22 July 1976: 3:47.28 (22 July 1976; Montréal, CAN)
Shirley Babashoff USA SWI 1972—2000 200 m freestyle – 4 August 1972 - 1 September 1972 and 23 August 1974 - 15 March 1975: 2:05.21 (4 August 1972; Chicago, USA), 2:02.94 (23 August 1974; Concord, USA), 2:02.94 tied (31 August 1974; Concord, USA); 400 m freestyle – 22 August 1974 - 3 June 1976: 4:15.77 (22 August 1974; Concord, USA), 4:14.76 (20 June 1975; Long Beach, USA); 800 m freestyle – 21 June 1976 - 25 July 1976: 8:39.63 (21 June 1976; Long Beach, USA); 4×100 m freestyle relay – 9 September 1971 - 8 September 1973 and 31 August 1974 - 26 August 1978: 4:00.7 (9 September 1971; Minsk, URS), 3:58.11 (18 August 1972; Knoxville, USA), 3:55.19 (30 August 1972; München, FRG), 3:51.99 (31 August 1974; Concord, USA), 3:44.82 (25 July 1976; Montréal, CAN)
Robin Backhaus USA SWI 1972 4×200 m freestyle relay – 7 September 1973 - 22 August 1975: 7:33.22 (7 September 1973; Beograd, YUG)
Kathleen Baker USA SWI 2016 100 m backstroke – 28 July 2018 - 28 July 2019: 58.00 (28 July 2018; Irvine, USA); 4×100 m medley relay – 30 July 2017 - 28 July 2019: 3:51.55 (30 July 2017; Budapest, HUN)
Lev Balandin URS SWI 1952—1956 4×100 m medley relay – 13 May 1953 - 7 September 1957: 4:24.8 (13 May 1953; Moskva, URS), 4:21.3 (26 January 1954; Moskva, URS), 4:19.0 (24 February 1954; Stockholm, SWE), 4:14.8 (14 August 1956; Moskva, URS)
Jochen Balke GER SWI 1936 100 m breaststroke – 12 November 1938 - 15 April 1939: 1:09.5 (12 November 1938; Bremen, GER)
Catie Ball USA SWI 1968 100 m breaststroke – 28 December 1966 - 2 September 1972: 1:15.6 (28 December 1966; Fort Lauderdale, USA), 1:15.6 tied (7 July 1967; Santa Clara, USA), 1:14.8 (31 July 1967; Winnipeg, CAN), 1:14.6 (19 August 1967; Philadelphia, USA), 1:14.2 (25 August 1968; Los Angeles, USA); 200 m breaststroke – 9 July 1967 - 6 July 1974: 2:40.5 (9 July 1967; Santa Clara, USA), 2:39.5 (20 August 1967; Philadelphia, USA), 2:38.5 (26 August 1968; Los Angeles, USA); 4×100 m medley relay – 30 July 1967 - 1 September 1970: 4:30.0 (30 July 1967; Winnipeg, CAN), 4:28.1 (14 September 1968; Colorado Springs, USA)
István Bárány HUN SWI 1924—1932 4×200 m freestyle relay – 27 August 1931 - 9 August 1932: 9:34.0 (27 August 1931; Paris, FRA)
Jane Barkman USA SWI 1968—1972 4×100 m freestyle relay – 18 August 1972 - 8 September 1973: 3:58.11 (18 August 1972; Knoxville, USA), 3:55.19 (30 August 1972; München, FRG); 4×100 m medley relay – 18 August 1972 - 3 September 1972: 4:25.34 (18 August 1972; Knoxville, USA)
Marie Baron NED DIV/SWI 1924—1928 200 m breaststroke – 24 October 1926 - 20 August 1927 and 22 April 1928 - 15 July 1928: 3:18.4 (24 October 1926; Bruxelles, BEL), 3:12.8 (22 April 1928; Rotterdam, NED)
András Baronyi HUN ATH/SWI 1908—1912 100 m backstroke – 17 July 1911 - 6 April 1912: 1:18.8 (17 July 1911; Budapest, HUN); 100 m breaststroke – 17 November 1907 - 30 September 1909: 1:24.0 (17 November 1907; Wien, AUT)
Bronte Barratt AUS SWI 2008—2016 4×200 m freestyle relay – 14 August 2008 - 30 July 2009: 7:44.31 (14 August 2008; Beijing, CHN)
Mike Barrowman USA SWI 1988—1992 200 m breaststroke – 4 August 1989 - 2 October 2002: 2:12.90 (4 August 1989; Los Angeles, USA), 2:12.89 (20 August 1989; Tokyo, JPN), 2:11.53 (20 July 1990; Seattle, USA), 2:11.23 (11 January 1991; Perth, AUS), 2:10.60 (13 August 1991; Fort Lauderdale, USA), 2:10.16 (29 July 1992; Barcelona, ESP)
Walter Bathe GER SWI 1912 100 m breaststroke – 2 October 1910 - 24 May 1921: 1:18.4 (2 October 1910; Magdeburg, GER), 1:17.8 (18 December 1910; Budapest, HUN)
Sydney Battersby GBR SWI 1908—1912 400 m freestyle – 21 September 1911 - 21 April 1912: 5:35.8 (21 September 1911; London, GBR)
Sybil Bauer USA SWI 1924 100 m backstroke – 8 August 1923 - 10 July 1927: 1:26.6 (8 August 1923; Newark, USA), 1:22.4 (6 January 1924; Miami, USA); 200 m backstroke – 4 July 1922 - 24 November 1928: 3:06.8 (4 July 1922; Brighton Beach, USA), 3:03.8 (9 February 1924; Miami, USA)
Alex Baumann CAN SWI 1984 200 m medley – 29 July 1981 - 23 August 1987: 2:02.78 (29 July 1981; Heidelberg, FRG), 2:02.25 (1 August 1982; Brisbane, AUS), 2:01.42 tied (4 August 1984; Los Angeles, USA), 2:01.42 (1 March 1986; Montréal, CAN); 400 m medley – 17 June 1984 - 14 August 1987: 4:17.53 (17 June 1984; Etobicoke, CAN), 4:17.41 (30 July 1984; Los Angeles, USA)
Amanda Beard USA SWI 1996—2008 200 m breaststroke – 25 July 2003 - 10 July 2004 and 12 July 2004 - 29 July 2005: 2:22.99 tied (25 July 2003; Barcelona, ESP), 2:22.44 (12 July 2004; Long Beach, USA)
Frank Beaurepaire ANZ
AUS
SWI 1908—1924 200 m freestyle – 9 September 1910 - 28 March 1911: 2:30.0 (9 September 1910; Exeter, GBR)
B. J. Bedford USA SWI 2000 4×100 m medley relay – 23 September 2000 - 21 August 2004: 3:58.30 (23 September 2000; Sydney, AUS)
Semyon Belits-Geyman URS SWI 1964—1968 800 m freestyle – 3 August 1966 - 16 January 1967: 8:47.4 (3 August 1966; Kharkov, URS)
Melissa Belote USA SWI 1972—1976 200 m backstroke – 5 August 1972 - 7 July 1974: 2:20.64 (5 August 1972; Chicago, USA), 2:20.58 (4 September 1972; München, FRG), 2:19.19 (4 September 1972; München, FRG); 4×100 m medley relay – 3 September 1972 - 4 September 1973: 4:20.75 (3 September 1972; München, FRG)
Bob Bennett USA SWI 1960—1964 100 m backstroke – 19 August 1961 - 11 August 1962: 1:01.3 (19 August 1961; Los Angeles, USA); 4×100 m medley relay – 27 August 1960 - 1 September 1960: 4:08.2 (27 August 1960; Roma, ITA)
Ricky Berens USA SWI 2008—2012 4×200 m freestyle relay – 13 August 2008 - present: 6:58.56 (13 August 2008; Beijing, CHN), 6:58.55 (31 July 2009; Roma, ITA)
Friedel Berges GER SWI 1928 4×200 m freestyle relay – 4 September 1927 - 11 August 1928: 9:49.6 (4 September 1927; Bologna, ITA)
Dave Berkoff USA SWI 1988—1992 100 m backstroke – 12 August 1988 - 25 August 1991: 54.95 (12 August 1988; Austin, USA), 54.91 (12 August 1988; Austin, USA), 54.51 (24 September 1988; Seoul, KOR); 4×100 m medley relay – 25 September 1988 - 26 July 1996: 3:36.93 (25 September 1988; Seoul, KOR)
Alain Bernard FRA SWI 2008—2012 50 m freestyle – 23 March 2008 - 27 March 2008: 21.50 (23 March 2008; Eindhoven, NED); 100 m freestyle – 21 March 2008 - 11 August 2008 and 13 August 2008: 47.60 (21 March 2008; Eindhoven, NED), 47.50 (22 March 2008; Eindhoven, NED), 47.20 (13 August 2008; Beijing, CHN)
Jo Bernardo FRA SWI 1948—1952 4×200 m freestyle relay – 2 August 1951 - 16 February 1952: 8:33.0 (2 August 1951; Marseille, FRA)
Jens-Peter Berndt FRG SWI 1988 400 m medley – 23 May 1984 - 17 June 1984: 4:19.61 (23 May 1984; Magdeburg, GDR)
Kevin Berry AUS SWI 1960—1964 200 m butterfly – 20 February 1962 - 11 August 1962, 23 October 1962 - 18 March 1963, and 29 March 1964 - 26 July 1967: 2:12.5 (20 February 1962; Melbourne, AUS), 2:09.7 (23 October 1962; Melbourne, AUS), 2:08.4 (12 January 1963; Sydney, AUS), 2:06.9 (29 March 1964; Sydney, AUS), 2:06.6 (18 October 1964; Tokyo, JPN)
Arno Bieberstein GER SWI 1908 100 m backstroke – 17 July 1908 - 2 October 1910: 1:24.6 (17 July 1908; London, GBR)
Paul Biedermann GER SWI 2008—2016 200 m freestyle – 28 July 2009 - present: 1:42.00 (28 July 2009; Roma, ITA); 400 m freestyle – 26 July 2009 - present: 3:40.07 (26 July 2009; Roma, ITA)
Klenie Bimolt NED SWI 1964—1968 4×100 m medley relay – 28 June 1964 - 4 July 1964: 4:39.1 (28 June 1964; Groningen, NED)
Matt Biondi USA SWI 1984—1992 50 m freestyle – 24 September 1988 - 20 August 1989: 22.14 (24 September 1988; Seoul, KOR); 100 m freestyle – 6 August 1985 - 18 June 1994: 49.24 (6 August 1985; Mission Viejo, USA), 48.95 (6 August 1985; Mission Viejo, USA), 48.74 (24 June 1986; Orlando, USA), 48.42 (10 August 1988; Austin, USA); 4×100 m freestyle relay – 2 August 1984 - 12 August 1995: 3:19.03 (2 August 1984; Los Angeles, USA), 3:17.08 (17 August 1985; Tokyo, JPN), 3:16.53 (23 September 1988; Seoul, KOR); 4×200 m freestyle relay – 21 September 1988 - 27 July 1992: 7:12.51 (21 September 1988; Seoul, KOR); 4×100 m medley relay – 18 August 1985 - 26 July 1996: 3:38.28 (18 August 1985; Tokyo, JPN), 3:36.93 (25 September 1988; Seoul, KOR)
Chuck Bittick USA WAP 1960 200 m backstroke – 26 June 1960 - 24 July 1960: 2:17.6 (26 June 1960; Los Angeles, USA)
Ian Black GBR SWI 1960 400 m medley – 6 June 1959 - 24 June 1960: 5:08.8 (6 June 1959; Cardiff, GBR)
Ethelda Bleibtrey USA SWI 1920 100 m freestyle – 23 August 1920 - 30 June 1923: 1:14.4 (23 August 1920; Antwerpen, BEL), 1:13.6 (25 August 1920; Antwerpen, BEL); 400 m freestyle – 16 August 1919 - 29 July 1921: 6:30.2 (16 August 1919; New York City, USA); 4×100 m freestyle relay – 29 August 1920 - 20 July 1924: 5:11.6 (29 August 1920; Antwerpen, BEL)
Dick Blick USA SWI 1960 4×200 m freestyle relay – 1 September 1960 - 21 April 1963: 8:10.2 (1 September 1960; Roma, ITA)
Les Boardman ANZ SWI 1912 4×200 m freestyle relay – 12 July 1912 - 29 August 1920: 10:14.0 (12 July 1912; Stockholm, SWE), 10:11.6 (15 July 1912; Stockholm, SWE)
Yuliya Bogdanova URS SWI 1980 100 m breaststroke – 22 August 1978 - 26 May 1980: 1:10.31 (22 August 1978; West-Berlin, FRG); 200 m breaststroke – 7 April 1978 - 24 August 1978: 2:33.32 (7 April 1978; Leningrad, URS)
Wendy Boglioli USA SWI 1976 4×100 m freestyle relay – 25 July 1976 - 26 August 1978: 3:44.82 (25 July 1976; Montréal, CAN)
Jean Boiteux FRA SWI 1952—1960 4×200 m freestyle relay – 2 August 1951 - 16 February 1952: 8:33.0 (2 August 1951; Marseille, FRA)
Arne Borg SWE SWI 1920—1928 400 m freestyle – 9 April 1922 - 22 June 1922 and 9 December 1924 - 16 April 1931: 5:11.8 (9 April 1922; Stockholm, SWE), 4:54.7 (9 December 1924; Stockholm, SWE), 4:50.3 (11 September 1925; Stockholm, SWE); 800 m freestyle – 11 April 1924 - 8 January 1927: 10:43.6 (11 April 1924; Honolulu, USA), 10:37.4 (25 August 1925; Harnäs, SWE); 1500 m freestyle – 8 July 1923 - 15 July 1924 and 18 August 1926 - 10 August 1938: 21:35.3 (8 July 1923; Göteborg, SWE), 21:15.0 (30 January 1924; Sydney, AUS), 21:11.4 (13 July 1924; Paris, FRA), 20:04.4 (18 August 1926; Budapest, HUN), 19:07.2 (2 September 1927; Bologna, ITA)
Joe Bottom USA SWI 1976 100 m butterfly – 27 August 1977 - 11 April 1980: 54.18 (27 August 1977; Ost-Berlin, GDR); 4×100 m freestyle relay – 1 September 1974 - 25 July 1975 and 28 August 1977 - 22 August 1978: 3:25.17 (1 September 1974; Concord, USA), 3:21.11 (28 August 1977; Ost-Berlin, GDR); 4×100 m medley relay – 22 July 1976 - 22 July 1976: 3:47.28 (22 July 1976; Montréal, CAN)
Fréd Bousquet FRA SWI 2000—2016 50 m freestyle – 26 April 2009 - 18 December 2009: 20.94 (26 April 2009; Montpellier, FRA)
Charlotte Boyle USA SWI 1920 200 m freestyle – 25 August 1921 - 4 April 1923: 2:47.6 (25 August 1921; New Brighton, USA)
Gilbert Bozon FRA SWI 1952—1956 100 m backstroke – 26 December 1952 - 1 April 1954 and 27 February 1955 - 6 December 1956: 1:03.3 (26 December 1952; Troyes, FRA), 1:02.1 (27 February 1955; Troyes, FRA); 200 m backstroke – 26 June 1953 - 15 January 1958: 2:18.3 (26 June 1953; Al-Jaza'ir, ALG); 3×100 m medley relay – 25 March 1952 - 31 December 1952: 3:09.6 (25 March 1952; Troyes, FRA); 4×100 m medley relay – 22 March 1953 - 1 April 1953: 4:32.2 (22 March 1953; Charleroi, BEL)
George Breen USA SWI 1956—1960 800 m freestyle – 27 October 1956 - 11 January 1958: 9:15.7 (27 October 1956; New Haven, USA); 1500 m freestyle – 3 May 1956 - 30 October 1956 and 5 December 1956 - 22 February 1958: 18:05.9 (3 May 1956; New Haven, USA), 17:52.9 (5 December 1956; Melbourne, AUS); 4×200 m freestyle relay – 23 July 1960 - 6 August 1960: 8:17.0 (23 July 1960; Toledo, USA)
Kurt Bretting GER SWI 1912 100 m freestyle – 6 April 1912 - 20 July 1912: 1:02.4 (6 April 1912; Bruxelles, BEL)
Ralph Breyer USA SWI 1924 4×200 m freestyle relay – 20 July 1924 - 4 September 1927: 9:53.4 (20 July 1924; Paris, FRA)
Rebecca Brown AUS SWI 2000 200 m breaststroke – 15 March 1994 - 17 July 1999: 2:24.76 (15 March 1994; Brisbane, AUS)
Tom Bruce USA SWI 1972 4×100 m medley relay – 4 September 1972 - 22 July 1976: 3:48.16 (4 September 1972; München, FRG)
Inge de Bruijn NED SWI 1992—2004 50 m freestyle – 26 May 2000 - 24 March 2008: 24.51 tied (26 May 2000; Sheffield, GBR), 24.48 (4 June 2000; Drachten, NED), 24.39 (10 June 2000; Rio de Janeiro, BRA), 24.13 (22 September 2000; Sydney, AUS); 100 m freestyle – 28 May 2000 - 31 March 2004: 53.80 (28 May 2000; Sheffield, GBR), 53.77 (20 September 2000; Sydney, AUS); 50 m butterfly – 18 June 1999 - 1 July 1999 and 20 May 2000 - 30 July 2002: 26.54 (18 June 1999; Amersfoort, NED), 25.83 (20 May 2000; Monte Carlo, MON), 25.64 (26 May 2000; Sheffield, GBR); 100 m butterfly – 27 May 2000 - 26 July 2009: 56.69 (27 May 2000; Sheffield, GBR), 56.64 (22 July 2000; Federal Way, USA), 56.61 (17 September 2000; Sydney, AUS)
Rika Bruins NED SWI 1952 4×100 m medley relay – 27 November 1954 - 3 September 1955: 5:02.1 (27 November 1954; Rotterdam, NED), 5:00.1 (17 July 1955; Paris, FRA)
Mike Bruner USA SWI 1976 200 m butterfly – 18 July 1976 - 30 July 1980: 1:59.23 (18 July 1976; Montréal, CAN); 4×200 m freestyle relay – 21 July 1976 - 24 August 1978: 7:30.33 (21 July 1976; Montréal, CAN), 7:23.22 (21 July 1976; Montréal, CAN)
Greg Buckingham USA SWI 1968 200 m medley – 24 July 1966 - 31 August 1968: 2:13.1 (24 July 1966; Los Altos, USA), 2:12.4 (21 August 1966; Lincoln, USA), 2:11.3 (23 August 1967; Oak Park, USA); 400 m medley – 6 July 1968 - 20 July 1968: 4:45.1 (6 July 1968; Santa Clara, USA)
Cameron van der Burgh RSA SWI 2008—2016 50 m breaststroke – 18 April 2009 - 8 May 2009 and 28 July 2009 - 4 August 2015: 27.06 (18 April 2009; Durban, RSA), 26.74 (28 July 2009; Roma, ITA), 26.67 (29 July 2009; Roma, ITA), 26.62 (4 August 2015; Kazan, RUS); 100 m breaststroke – 29 July 2012 - 17 April 2015: 58.46 (29 July 2012; London, GBR)
Lynn Burke USA SWI 1960 100 m backstroke – 17 July 1960 - 28 July 1963: 1:10.1 (17 July 1960; Indianapolis, USA), 1:10.0 (4 August 1960; Detroit, USA), 1:09.2 (5 August 1960; Detroit, USA), 1:09.0 (2 September 1960; Roma, ITA); 200 m backstroke – 15 July 1960 - 23 July 1960: 2:33.5 (15 July 1960; Indianapolis, USA); 4×100 m medley relay – 2 September 1960 - 23 August 1962: 4:41.1 (2 September 1960; Roma, ITA)
Mike Burton USA SWI 1968—1972 800 m freestyle – 3 September 1968 - 3 April 1971: 8:34.3 (3 September 1968; Long Beach, USA), 8:28.8 (17 August 1969; Louisville, USA); 1500 m freestyle – 21 August 1966 - 7 July 1968, 3 September 1968 - 23 August 1970, and 4 September 1972 - 5 August 1973: 16:41.6 (21 August 1966; Lincoln, USA), 16:34.1 (13 August 1967; Oak Park, USA), 16:08.57 (3 September 1968; Long Beach, USA), 16:04.5 (17 August 1969; Louisville, USA), 15:52.58 (4 September 1972; München, FRG)
Novella Calligaris ITA SWI 1968—1972 800 m freestyle – 9 September 1973 - 5 January 1974: 8:52.97 (9 September 1973; Beograd, YUG)
Ashley Callus AUS SWI 2000—2008 4×100 m freestyle relay – 16 September 2000 - 15 August 2004: 3:13.67 (16 September 2000; Sydney, AUS)
Bronte Campbell AUS SWI 2012—2016 4×100 m freestyle relay – 24 July 2014 - present: 3:30.98 (24 July 2014; Glasgow, GBR), 3:30.65 (6 August 2016; Rio de Janeiro, BRA), 3:30.05 (5 July 2018; Gold Coast, AUS); 4×100 m freestyle mixed relay – 1 February 2014 - 8 August 2015: 3:23.29 (1 February 2014; Perth, AUS)
Cate Campbell AUS SWI 2008—2016 100 m freestyle – 2 July 2016 - 23 July 2017: 52.06 (2 July 2016; Brisbane, AUS); 4×100 m freestyle relay – 24 July 2014 - present: 3:30.98 (24 July 2014; Glasgow, GBR), 3:30.65 (6 August 2016; Rio de Janeiro, BRA), 3:30.05 (5 July 2018; Gold Coast, AUS); 4×100 m freestyle mixed relay – 1 February 2014 - 8 August 2015: 3:23.29 (1 February 2014; Perth, AUS)
Patty Caretto USA SWI 1968 800 m freestyle – 30 July 1964 - 28 September 1964: 9:47.3 (30 July 1964; Palo Alto, USA); 1500 m freestyle – 30 July 1964 - 9 July 1967: 18:30.5 (30 July 1964; Palo Alto, USA), 18:23.7 (12 August 1965; Los Altos, USA), 18:12.9 (21 August 1966; Lincoln, USA)
Rick Carey USA SWI 1984 100 m backstroke – 6 August 1983 - 15 March 1988: 55.44 (6 August 1983; Fresno, USA), 55.38 (6 August 1983; Fresno, USA), 55.19 (21 August 1983; Caracas, VEN); 200 m backstroke – 3 August 1983 - 21 August 1984: 1:58.93 (3 August 1983; Fresno, USA), 1:58.86 (27 June 1984; Indianapolis, USA); 4×100 m medley relay – 7 August 1982 - 25 September 1988: 3:40.84 (7 August 1982; Guayaquil, ECU), 3:40.42 (22 August 1983; Caracas, VEN), 3:39.30 (4 August 1984; Los Angeles, USA), 3:38.28 (18 August 1985; Tokyo, JPN)
Kiki Caron FRA SWI 1964—1985 100 m backstroke – 14 June 1964 - 28 September 1964: 1:08.6 (14 June 1964; Paris, FRA)
Cathy Carr USA SWI 1972 100 m breaststroke – 2 September 1972 - 22 August 1974: 1:13.58 (2 September 1972; München, FRG): 4×100 m medley relay – 3 September 1972 - 4 September 1973: 4:20.75 (3 September 1972; München, FRG)
Jacques Cartonnet FRA SWI 1932 100 m breaststroke – 20 May 1932 - 22 February 1935 and 6 August 1937 - 12 November 1938: 1:13.6 (20 May 1932; Paris, FRA), 1:13.0 (4 February 1933; Paris, FRA), 1:12.4 (8 February 1933; Parigi, FRA), 1:09.8 (6 August 1937; Toulouse, FRA); 200 m breaststroke – 8 February 1933 - 16 March 1935 and 4 May 1935 - 28 March 1936: 2:42.6 (8 February 1933; Paris, FRA), 2:39.6 (4 May 1935; Paris, FRA)
Tracy Caulkins USA SWI 1984 200 m butterfly – 26 August 1978 - 7 July 1979: 2:09.87 tied (26 August 1978; West-Berlin, FRG); 200 m medley – 2 August 1978 - 24 May 1980: 2:15.09 (2 August 1978; The Woodlands, USA), 2:14.07 (20 August 1978; West-Berlin, FRG), 2:13.69 (5 January 1980; Austin, USA); 400 m medley – 23 August 1978 - 30 March 1980: 4:40.83 (23 August 1978; West-Berlin, FRG); 4×100 m freestyle relay – 26 August 1978 - 27 July 1980: 3:43.43 (26 August 1978; West-Berlin, FRG)
Chris Cavanaugh USA SWI 1984 4×100 m freestyle relay – 5 August 1982 - 17 August 1985: 3:19.26 (5 August 1982; Guayaquil, ECU), 3:19.03 (2 August 1984; Los Angeles, USA)
Milorad Čavić SRB
SCG
SWI 2000—2012 100 m butterfly – 31 July 2009 - 1 August 2009: 50.01 (31 July 2009; Roma, ITA) (competed for Serbia)
Jane Cederqvist SWE SWI 1960 800 m freestyle – 17 August 1960 - 26 August 1962: 9:55.6 (17 August 1960; Uppsala, SWE); 1500 m freestyle – 8 September 1960 - 27 June 1961: 19:23.6 (8 September 1960; Uppsala, SWE)
Matt Cetlinski USA SWI 1988 4×200 m freestyle relay – 21 September 1988 - 27 July 1992: 7:12.51 (21 September 1988; Seoul, KOR)
Malcolm Champion ANZ SWI 1912 4×200 m freestyle relay – 12 July 1912 - 29 August 1920: 10:14.0 (12 July 1912; Stockholm, SWE), 10:11.6 (15 July 1912; Stockholm, SWE)
Gary Chapman AUS SWI 1956 4×100 m freestyle relay – 3 May 1958 - 21 July 1959: 3:46.3 (3 May 1958; Brisbane, AUS)
Boy Charlton AUS SWI 1924—1932 800 m freestyle – 13 January 1923 - 11 April 1924 and 8 January 1927 - 27 July 1927: 11:05.2 (13 January 1923; Sydney, AUS), 10:51.8 (19 January 1924; Sydney, AUS), 10:32.0 (8 January 1927; Sydney, AUS); 1500 m freestyle – 15 July 1924 - 18 August 1926: 20:06.6 (15 July 1924; Paris, FRA)
Chen Huijia CHN SWI 2008 4×100 m medley relay – 1 August 2009 - 4 August 2012: 3:52.19 (1 August 2009; Roma, ITA)
Chen Yan CHN SWI 1996 400 m medley – 13 October 1997 - 16 September 2000: 4:34.79 (13 October 1997; Shanghai, CHN)
Valborg Christensen DEN SWI 1936 100 m breaststroke – 8 March 1936 - 13 March 1936: 1:22.8 (8 March 1936; Düsseldorf, GER)
Robert Christophe FRA SWI 1956—1964 4×100 m freestyle relay – 10 August 1962 - 4 July 1963: 3:42.5 (10 August 1962; Thionville, FRA)
Anton Chupkov RUS SWI 2014—2016 200 m breaststroke – 26 July 2019 - present: 2:06.12 (26 July 2019; Gwangju, KOR)
César Cielo Filho BRA SWI 2008—2012 50 m freestyle – 18 December 2009 - present: 20.91 (18 December 2009; São Paulo, BRA); 100 m freestyle – 30 July 2009 - present: 46.91 (30 July 2009; Roma, ITA)
Austin Clapp USA SWI/WAP 1928—1932 4×200 m freestyle relay – 11 August 1928 - 27 August 1931: 9:38.8 (11 August 1928; Amsterdam, NED), 9:36.2 (11 August 1928; Amsterdam, NED)
Steve Clark USA SWI 1960—1964 100 m freestyle – 18 August 1961 - 20 September 1961 and 14 October 1964 - 27 July 1967: 54.4 (18 August 1961; Los Angeles, USA), 52.9 tied (14 October 1964; Tokyo, JPN); 4×100 m freestyle relay – 4 July 1963 - 28 August 1967: 3:39.9 (4 July 1963; Los Altos, USA), 3:36.1 (18 August 1963; Tokyo, JPN), 3:33.2 (14 October 1964; Tokyo, JPN); 4×200 m freestyle relay – 10 August 1963 - 19 August 1963 and 18 October 1964 - 24 July 1970: 8:07.6 (10 August 1963; Chicago, USA), 7:52.1 (18 October 1964; Tokyo, JPN); 4×100 m medley relay – 27 August 1960 - 1 September 1960 and 24 August 1963 - 31 August 1967: 4:08.2 (27 August 1960; Roma, ITA), 4:00.1 (24 August 1963; Osaka, JPN), 3:58.4 (16 October 1964; Tokyo, JPN)
Dick Cleveland USA SWI 1952 100 m freestyle – 1 April 1954 - 30 November 1956: 54.8 (1 April 1954; New Haven, USA)
Claudia Clevenger USA SWI 1972 4×100 m medley relay – 11 September 1971 - 18 August 1972: 4:27.3 (11 September 1971; Minsk, URS)
Alva Colquhoun AUS SWI 1956—1960 4×100 m freestyle relay – 6 August 1960 - 3 September 1960: 4:16.2 (6 August 1960; Townsville, AUS)
Carin Cone USA SWI 1956 100 m backstroke – 6 September 1959 - 12 June 1960: 1:11.4 (6 September 1959; Chicago, USA); 4×100 m medley relay – 6 September 1959 - 2 September 1960: 4:44.6 (6 September 1959; Chicago, USA)
Gary Conelly USA SWI 1972 4×100 m freestyle relay – 28 August 1972 - 28 August 1972: 3:28.84 (28 August 1972; München, FRG)
Wendy Cook-Hogg CAN SWI 1972—1976 100 m backstroke – 31 January 1974 - 8 July 1974: 1:04.78 (31 January 1974; Christchurch, NZL)
Brad Cooper AUS SWI 1972 400 m freestyle – 12 February 1972 - 4 August 1972: 4:01.7 (12 February 1972; Brisbane, AUS); 800 m freestyle – 12 January 1972 - 5 August 1973: 8:23.8 (12 January 1972; Sydney, AUS)
Kevin Cordes USA SWI 2016 4×100 m medley mixed relay – 26 July 2017: 3:40.28 (26 July 2017; Budapest, HUN)
Tamara Costache ROU SWI 1988 50 m freestyle – 23 August 1986 - 11 April 1988: 25.28 (23 August 1986; Madrid, ESP)
Natalie Coughlin USA SWI 2004—2012 100 m backstroke – 13 August 2002 - 11 August 2008: 59.58 (13 August 2002; Fort Lauderdale, USA), 59.44 (27 March 2007; Melbourne, AUS), 59.21 (17 February 2008; Columbia, USA), 59.03 (30 June 2008; Omaha, USA), 58.97 (1 July 2008; Omaha, USA); 4×200 m freestyle relay – 18 August 2004 - 3 August 2006 and 29 March 2007 - 14 August 2008: 7:53.42 (18 August 2004; Athina, GRE), 7:50.09 (29 March 2007; Melbourne, AUS)
Félicien Courbet BEL SWI/WAP 1908—1920 100 m breaststroke – 30 September 1909 - 12 June 1910: 1:22.6 (30 September 1909; Bruxelles, BEL); 200 m breaststroke – 2 October 1910 - 28 July 1914: 3:00.8 (2 October 1910; Schaarbeek, BEL)
Percy Courtman GBR SWI 1908—1912 200 m breaststroke – 28 July 1914 - 12 November 1922: 2:56.6 (28 July 1914; Garston, GBR)
Kirsty Coventry ZIM IOC/SWI 2000—2016 100 m backstroke – 11 August 2008 - 27 July 2009: 58.77 (11 August 2008; Beijing, CHN); 200 m backstroke – 16 February 2008 - 5 July 2008 and 16 August 2008 - 3 August 2012: 2:06.39 (16 February 2008; Columbia, USA), 2:05.24 (16 August 2008; Beijing, CHN), 2:04.81 (1 August 2009; Roma, ITA)
Bill Craig USA SWI 1964 4×100 m medley relay – 24 August 1963 - 31 August 1967: 4:00.1 (24 August 1963; Osaka, JPN), 3:58.4 (16 October 1964; Tokyo, JPN)
Lorraine Crapp AUS SWI 1956—1960 100 m freestyle – 20 October 1956 - 1 December 1956: 1:03.2 (20 October 1956; Sydney, AUS), 1:02.4 (25 October 1956; Melbourne, AUS); 200 m freestyle – 25 August 1956 - 10 February 1958: 2:19.3 (25 August 1956; Townsville, AUS), 2:18.5 (20 October 1956; Sydney, AUS); 400 m freestyle – 25 August 1956 - 9 January 1960: 4:50.8 (25 August 1956; Townsville, AUS), 4:47.2 (20 October 1956; Sydney, AUS); 800 m freestyle – 14 January 1956 - 16 February 1957: 10:30.9 (14 January 1956; Sydney, AUS); 4×100 m freestyle relay – 20 October 1956 - 3 September 1960: 4:22.3 (20 October 1956; Sydney, AUS), 4:19.7 (25 October 1956; Melbourne, AUS), 4:17.1 (6 December 1956; Melbourne, AUS), 4:16.2 (6 August 1960; Townsville, AUS)
Ian Crocker USA SWI 2000—2008 50 m butterfly – 29 February 2004 - 24 July 2005: 23.30 (29 February 2004; Austin, USA); 100 m butterfly – 26 July 2003 - 9 July 2009: 50.98 (26 July 2003; Barcelona, ESP), 50.76 (13 July 2004; Long Beach, USA), 50.40 (30 July 2005; Montréal, CAN); 4×100 m medley relay – 23 September 2000 - 29 August 2002 and 27 July 2003 - 17 August 2008: 3:33.73 (23 September 2000; Sydney, AUS), 3:31.54 (27 July 2003; Barcelona, ESP), 3:30.68 (21 August 2004; Athina, GRE)
Ferenc Csík HUN SWI 1936 4×100 m freestyle relay – 26 June 1937 - 5 March 1938 and 14 July 1938 - 20 August 1938: 4:10.2 (26 June 1937; Budapest, HUN), 4:06.6 (15 August 1937; Budapest, HUN), 4:02.0 (14 July 1938; Budapest, HUN)
Daisy Curwen GBR SWI 1912 100 m freestyle – 29 September 1911 - 9 July 1912: 1:24.6 (29 September 1911; Liverpool, GBR), 1:20.6 (10 June 1912; Birkenhead, GBR)
Tommaso D'Orsogna AUS SWI 2012 4×100 m freestyle mixed relay – 1 February 2014 - 8 August 2015: 3:23.29 (1 February 2014; Perth, AUS)
Troy Dalbey USA SWI 1988 4×100 m freestyle relay – 23 September 1988 - 12 August 1995: 3:16.53 (23 September 1988; Seoul, KOR); 4×200 m freestyle relay – 21 September 1988 - 27 July 1992: 7:12.51 (21 September 1988; Seoul, KOR)
Petra Dallmann GER SWI 2004—2008 4×100 m freestyle relay – 29 July 2002 - 14 August 2004 and 31 July 2006 - 18 March 2008: 3:36.00 (29 July 2002; Berlin, GER), 3:35.22 (31 July 2006; Budapest, HUN); 4×200 m freestyle relay – 3 August 2006 - 29 March 2007: 7:50.82 (3 August 2006; Budapest, HUN)
Ellie Daniel USA SWI 1968—1972 200 m butterfly – 28 August 1971 - 6 August 1972: 2:18.4 (28 August 1971; Houston, USA); 4×100 m medley relay – 30 July 1967 - 1 September 1970 and 11 September 1971 - 3 September 1972: 4:30.0 (30 July 1967; Winnipeg, CAN), 4:28.1 (14 September 1968; Colorado Springs, USA), 4:27.3 (11 September 1971; Minsk, URS), 4:25.34 (18 August 1972; Knoxville, USA)
Charlie Daniels USA SWI 1904—1908 100 m freestyle – 20 July 1908 - 6 April 1912: 1:05.6 (20 July 1908; London, GBR), 1:02.8 (15 April 1910; New York City, USA); 200 m freestyle – 28 March 1911 - 24 November 1916: 2:25.4 (28 March 1911; Pittsburgh, USA)
Tamás Darnyi HUN SWI 1988—1992 200 m medley – 23 August 1987 - 20 August 1989 and 13 January 1991 - 11 September 1994: 2:00.56 (23 August 1987; Strasbourg, FRA), 2:00.17 (25 September 1988; Seoul, KOR), 1:59.36 (13 January 1991; Perth, AUS); 400 m medley – 19 August 1987 - 11 September 1994: 4:15.42 (19 August 1987; Strasbourg, FRA), 4:14.75 (21 September 1988; Seoul, KOR), 4:12.36 (8 January 1991; Perth, AUS)
Uwe Daßler GDR SWI 1988 400 m freestyle – 23 September 1988 - 3 April 1992: 3:46.95 (23 September 1988; Seoul, KOR)
Victor Davis CAN SWI 1984—1988 200 m breaststroke – 5 August 1982 - 4 August 1989: 2:14.77 (5 August 1982; Guayaquil, ECU), 2:14.58 (17 June 1984; Etobicoke, CAN), 2:13.34 (2 August 1984; Los Angeles, USA)
Donna de Varona USA SWI 1960—2000 100 m backstroke – 28 July 1963 - 14 June 1964: 1:08.9 (28 July 1963; Los Angeles, USA): 200 m medley – 13 May 1961 - 22 July 1966: 2:40.1 (13 May 1961; Redding, USA), 2:37.1 (9 July 1961; Tenri, JPN), 2:35.0 (12 August 1961; Philadelphia, USA), 2:33.3 (18 August 1962; Chicago, USA), 2:31.8 (27 July 1963; Los Angeles, USA), 2:30.1 (11 July 1964; Los Angeles, USA), 2:29.9 (1 August 1964; Palo Alto, USA); 400 m medley – 15 July 1960 - 28 July 1962 and 10 March 1964 - 9 July 1967: 5:36.5 (15 July 1960; Indianapolis, USA), 5:34.5 (11 August 1961; Philadelphia, USA), 5:29.7 (2 June 1962; Los Altos, USA), 5:24.7 (26 July 1962; Osaka, JPN), 5:16.5 (10 March 1964; Lima, PER), 5:14.9 (30 August 1964; New York City, USA); 4×100 m freestyle relay – 31 July 1964 - 28 September 1964 and 15 October 1964 - 19 August 1967: 4:08.5 (31 July 1964; Palo Alto, USA), 4:03.8 (15 October 1964; Tokyo, JPN); 4×100 m medley relay – 4 July 1964 - 28 September 1964: 4:38.1 (4 July 1964; Los Altos, USA)
Deena Deardurff USA SWI 1972 4×100 m freestyle relay – 9 September 1971 - 18 August 1972 and 3 September 1972 - 4 September 1973: 4:00.7 (9 September 1971; Minsk, URS), 4:20.75 (3 September 1972; München, FRG)
Fred Deburghgraeve BEL SWI 1992—1996 100 m breaststroke – 20 July 1996 - 15 June 2000: 1:00.60 (20 July 1996; Atlanta, USA)
Inge Dekker NED SWI 2004—2016 4×100 m freestyle relay – 18 March 2008 - 24 July 2014: 3:33.62 (18 March 2008; Eindhoven, NED), 3:31.72 (26 July 2009; Roma, ITA)
Rick DeMont USA SWI 1972 400 m freestyle – 9 September 1973 - 22 August 1974: 3:58.18 (9 September 1973; Beograd, YUG); 1500 m freestyle – 6 August 1972 - 4 September 1972: 15:52.91 (6 August 1972; Chicago, USA); 4×100 m freestyle relay – 28 August 1977 - 22 August 1978: 3:21.11 (28 August 1977; Ost-Berlin, GDR)
Willy den Ouden NED SWI 1932—1936 100 m freestyle – 9 July 1933 - 21 February 1956: 1:06.0 (9 July 1933; Antwerpen, BEL), 1:05.4 (24 February 1934; Amsterdam, NED), 1:04.8 (15 April 1934; Rotterdam, NED), 1:04.6 (27 February 1936; Amsterdam, NED); 200 m freestyle – 3 May 1933 - 26 February 1938: 2:28.6 (3 May 1933; Rotterdam, NED), 2:27.6 (5 May 1934; Dundee, GBR), 2:25.3 (8 September 1935; København, DEN); 400 m freestyle – 12 July 1934 - 10 February 1937: 5:16.0 (12 July 1934; Rotterdam, NED); 4×100 m freestyle relay – 14 April 1934 - 8 February 1938: 4:33.3 (14 April 1934; Rotterdam, NED), 4:32.8 (24 May 1936; Rotterdam, NED)
Clare Dennis AUS SWI 1932 100 m breaststroke – 14 February 1933 - 15 January 1935: 1:24.6 (14 February 1933; Unley, USA); 200 m breaststroke – 18 January 1932 - 21 April 1932: 3:08.4 (18 January 1932; Sydney, AUS)
Rob Derbyshire GBR SWI 1900—1912 4×200 m freestyle relay – 24 July 1908 - 12 July 1912: 10:55.6 (24 July 1908; London, GBR)
John Devitt AUS SWI 1956—1998 100 m freestyle – 19 January 1957 - 18 August 1961: 55.2 (19 January 1957; Sydney, AUS), 54.6 (28 January 1957; Brisbane, AUS); 4×100 m freestyle relay – 3 May 1958 - 21 July 1959: 3:46.3 (3 May 1958; Brisbane, AUS); 4×200 m freestyle relay – 3 December 1956 - 22 July 1959: 8:23.6 (3 December 1956; Melbourne, AUS); 4×100 m medley relay – 25 July 1958 - 24 July 1960: 4:14.2 (25 July 1958; Cardiff, GBR), 4:10.4 (22 August 1958; Osaka, JPN)
David Dickson AUS SWI 1960—1964 4×200 m freestyle relay – 6 August 1960 - 1 September 1960: 8:16.6 (6 August 1960; Townsville, AUS)
Nelson Diebel USA SWI 1992 4×100 m medley relay – 31 July 1992 - 26 July 1996: 3:36.93 tied (31 July 1992; Barcelona, ESP)
Ines Diers GDR SWI 1980 4×100 m freestyle relay – 27 July 1980 - 21 August 1984: 3:42.71 (27 July 1980; Moskva, URS)
Susan Doerr USA SWI 1960 100 m butterfly – 12 August 1961 - 28 July 1962: 1:08.2 (12 August 1961; Philadelphia, USA)
Tom Dolan USA SWI 1996—2000 400 m medley – 11 September 1994 - 15 August 2002: 4:12.30 (11 September 1994; Roma, ITA), 4:11.76 (17 September 2000; Sydney, AUS)
Fraze Donnelly USA SWI 1924 4×100 m freestyle relay – 20 July 1924 - 9 August 1928: 4:58.8 (20 July 1924; Paris, FRA)
Frank Dooley USA SWI 1952 4×100 m freestyle relay – 29 June 1948 - 19 March 1951: 3:48.6 (29 June 1948; New Haven, USA)
Caeleb Dressel USA SWI 2016 100 m butterfly – 26 July 2019 - present: 49.50 (26 July 2019; Gwangju, KOR); 4×100 m freestyle mixed relay – 29 July 2017 - present: 3:19.60 (29 July 2017; Budapest, HUN), 3:19.40 (27 July 2019; Gwangju, KOR); 4×100 m medley mixed relay – 26 July 2017 - present: 3:38.56 (26 July 2017; Budapest, HUN)
Ginny Duenkel USA SWI 1964 100 m backstroke – 28 September 1964 - 14 October 1964: 1:08.3 (28 September 1964; Los Angeles, USA)
Andrey Dunayev URS SWI 1968 400 m medley – 3 April 1968 - 6 July 1968: 4:45.3 (3 April 1968; Tallinn, URS)
Matt Dunn AUS SWI 1992—2000 4×200 m freestyle relay – 13 September 1998 - 25 August 1999: 7:11.86 (13 September 1998; Kuala Lumpur, MAS)
Fanny Durack ANZ SWI 1912 100 m freestyle – 9 July 1912 - 23 August 1920: 1:19.8 (9 July 1912; Stockholm, SWE), 1:18.8 (21 July 1912; Hamburg, GER), 1:16.2 (6 February 1915; Sydney, AUS); 200 m freestyle – 4 March 1915 - 25 August 1921: 2:56.0 (4 March 1915; Sydney, AUS)
Guillermo Echevarría MEX SWI 1964—1968 1500 m freestyle – 7 July 1968 - 3 September 1968: 16:28.1 (7 July 1968; Santa Clara, USA)
Trudy Ederle USA SWI 1924 100 m freestyle – 30 June 1923 - 19 July 1924: 1:12.8 (30 June 1923; Newark, USA); 200 m freestyle – 4 April 1923 - 28 February 1926: 2:45.2 (4 April 1923; Brooklyn, USA); 400 m freestyle – 4 August 1922 - 23 January 1927: 5:53.2 (4 August 1922; Indianapolis, USA); 800 m freestyle – 17 August 1919 - 6 August 1925: 13:19.0 (17 August 1919; Indianapolis, USA); 4×100 m freestyle relay – 20 July 1924 - 9 August 1928: 4:58.8 (20 July 1924; Paris, FRA)
Dave Edgar USA SWI 1972 4×100 m freestyle relay – 28 August 1972 - 1 September 1974: 3:28.84 (28 August 1972; München, FRG), 3:26.42 (28 August 1972; München, FRG)
Sophie Edington AUS SWI 2008 50 m backstroke – 23 March 2008 - 26 June 2009: 27.67 (23 March 2008; Sydney, AUS); 4×100 m medley relay – 21 March 2006 - 31 March 2007: 3:56.30 (21 March 2006; Melbourne, AUS)
Margaret Edwards GBR SWI 1956 100 m backstroke – 19 April 1958 - 20 July 1958: 1:12.4 (19 April 1958; Cardiff, GBR)
Krisztina Egerszegi HUN SWI 1988—2001 100 m backstroke – 22 August 1991 - 10 September 1994: 1:00.31 (22 August 1991; Athina, GRE); 200 m backstroke – 25 August 1991 - 16 February 2008: 2:06.62 (25 August 1991; Athina, GRE)
Sylvia Eichner GDR SWI 1972 4×100 m freestyle relay – 30 August 1972 - 30 August 1972 and 8 September 1973 - 31 August 1974: 3:58.11 tied (30 August 1972; München, FRG), 3:52.45 (8 September 1973; Beograd, YUG)
Andrea Eife GDR SWI 1972 4×100 m freestyle relay – 30 August 1972 - 30 August 1972 and 8 September 1973 - 31 August 1974: 3:58.11 tied (30 August 1972; München, FRG), 3:52.45 (8 September 1973; Beograd, YUG)
Kathy Ellis USA SWI 1964 100 m butterfly – 16 August 1963 - 1 September 1963: 1:06.5 (16 August 1963; High Point, USA); 4×100 m freestyle relay – 15 October 1964 - 19 August 1967: 4:03.8 (15 October 1964; Tokyo, JPN); 4×100 m medley relay – 28 September 1964 - 30 July 1967: 4:34.6 (28 September 1964; Los Angeles, USA), 4:33.9 (18 October 1964; Tokyo, JPN)
Brittany Elmslie AUS SWI 2012—2016 4×100 m freestyle relay – 6 August 2016 - 5 July 2018: 3:30.65 (6 August 2016; Rio de Janeiro, BRA)
Aldo Eminente FRA SWI 1952—1956 4×100 m medley relay – 1 April 1953 - 17 April 1953: 4:31.5 (1 April 1953; Troyes, FRA)
Kornelia Ender GDR SWI 1972—1976 100 m freestyle – 13 July 1973 - 5 July 1978: 58.25 (13 July 1973; Ost-Berlin, GDR), 58.12 (18 August 1973; Utrecht, NED), 57.61 (8 September 1973; Beograd, YUG), 57.54 (9 September 1973; Beograd, YUG), 57.51 (4 July 1974; Rostock, GDR), 56.96 (19 August 1974; Wien, AUT), 56.38 (14 March 1975; Dresden, GDR), 56.22 (26 July 1975; Cali, COL), 55.73 (1 June 1976; Ost-Berlin, GDR), 55.65 (19 July 1976; Montréal, CAN); 200 m freestyle – 22 August 1974 - 23 August 1974 and 15 March 1975 - 2 July 1978: 2:03.22 (22 August 1974; Wien, AUT), 2:02.27 (15 March 1975; Dresden, GDR), 1:59.78 (2 June 1976; Ost-Berlin, GDR), 1:59.26 (22 July 1976; Montréal, CAN); 100 m backstroke – 3 June 1976 - 5 June 1976: 1:01.62 (3 June 1976; Ost-Berlin, GDR); 100 m butterfly – 14 April 1973 - 21 August 1974 and 9 June 1975 - 28 August 1977: 1:03.05 (14 April 1973; Ost-Berlin, GDR), 1:02.31 (14 July 1973; Ost-Berlin, GDR), 1:01.33 (9 June 1975; Wittenberg, GDR), 1:01.24 (24 July 1975; Cali, COL), 1:00.13 (4 June 1976; Ost-Berlin, GDR), 1:00.13 tied (22 July 1976; Montréal, CAN); 200 m medley – 13 April 1973 - 4 September 1973 and 5 June 1976 - 10 July 1977: 2:23.01 (13 April 1973; Ost-Berlin, GDR), 2:17.14 (5 June 1976; Ost-Berlin, GDR); 4×100 m freestyle relay – 30 August 1972 - 30 August 1972, 8 September 1973 - 31 August 1974, and 26 July 1975 - 2 June 1976: 3:58.11 tied (30 August 1972; München, FRG), 3:52.45 (8 September 1973; Beograd, YUG), 3:49.37 (26 July 1975; Cali, COL); 4×100 m medley relay – 4 September 1973 - 24 August 1974 and 5 June 1976 - 20 July 1980: 4:16.84 (4 September 1973; Beograd, YUG), 4:13.78 (24 August 1974; Wien, AUT), 4:07.95 (18 July 1976; Montréal, CAN)
Cocki van Engelsdorp Gastelaars NED SWI 1960 100 m freestyle – 3 March 1956 - 25 August 1956: 1:04.2 (3 March 1956; Amsterdam, NED), 1:04.0 (14 April 1956; Schiedam, NED); 4×100 m medley relay – 8 December 1956 - 25 July 1958 and 5 September 1958 - 6 September 1959: 4:53.1 (8 December 1956; Zwolle, NED), 4:57.0 (18 May 1957; Blackpool, GBR), 4:52.9 (5 September 1958; Budapest, HUN), 4:51.5 (26 July 1959; Waalwijk, NED)
Janet Evans USA SWI 1988—1996 400 m freestyle – 20 December 1987 - 12 May 2006: 4:05.45 (20 December 1987; Orlando, USA), 4:03.85 (22 September 1988; Seoul, KOR); 800 m freestyle – 27 July 1987 - 19 August 1987 and 22 March 1988 - 16 August 2008: 8:22.44 (27 July 1987; Fresno, USA), 8:17.12 (22 March 1988; Orlando, USA), 8:16.22 (20 August 1989; Tokyo, JPN); 1500 m freestyle – 31 July 1987 - 17 June 2007: 16:00.73 (31 July 1987; Fresno, USA), 15:52.10 (26 March 1988; Orlando, USA)
Otto Fahr GER SWI 1912 100 m backstroke – 29 April 1912 - 22 August 1920: 1:15.6 (29 April 1912; Magdeburg, GER); 200 m backstroke – 3 April 1912 - 24 June 1926: 2:48.4 (3 April 1912; Magdeburg, GER)
Thomas Fahrner FRG SWI 1984—1988 4×200 m freestyle relay – 23 August 1983 - 30 July 1984 and 19 August 1987 - 21 September 1988: 7:20.40 (23 August 1983; Roma, ITA), 7:13.10 (19 August 1987; Strasbourg, FRA)
Dave Fairbank USA SWI 1972 4×100 m freestyle relay – 28 August 1972 - 28 August 1972: 3:28.84 (28 August 1972; München, FRG)
Jeff Farrell USA SWI 1960 4×100 m freestyle relay – 21 July 1959 - 10 August 1962: 3:44.4 (21 July 1959; Tokyo, JPN); 4×200 m freestyle relay – 1 September 1960 - 21 April 1963: 8:10.2 (1 September 1960; Roma, ITA); 4×100 m medley relay – 1 September 1960 - 20 August 1961: 4:05.4 (1 September 1960; Roma, ITA)
Hans Faßnacht FRG SWI 1968—1972 400 m freestyle – 14 August 1969 - 20 August 1970: 4:04.0 (14 August 1969; Louisville, USA); 200 m butterfly – 31 August 1971 - 2 August 1972: 2:03.3 (31 August 1971; Landskrona, SWE)
Cathy Ferguson USA SWI 1964 100 m backstroke – 14 October 1964 - 23 July 1966: 1:07.7 (14 October 1964; Tokyo, JPN); 200 m backstroke – 28 September 1964 - 25 July 1966: 2:27.4 (28 September 1964; Los Angeles, USA); 4×100 m medley relay – 28 September 1964 - 30 July 1967: 4:34.6 (28 September 1964; Los Angeles, USA), 4:33.9 (18 October 1964; Tokyo, JPN)
Lyndon Ferns RSA SWI 2004—2008 4×100 m freestyle relay – 15 August 2004 - 19 August 2006: 3:13.17 (15 August 2004; Athina, GRE)
John Ferris USA SWI 1968 200 m butterfly – 30 August 1967 - 8 October 1967: 2:06.0 (30 August 1967; Tokyo, JPN)
Peter Fick USA SWI 1936 100 m freestyle – 2 March 1934 - 13 April 1944: 56.8 (2 March 1934; New Haven, USA), 56.6 (5 March 1935; New Haven, USA), 56.4 (11 February 1936; New Haven, USA); 4×100 m freestyle relay – 20 August 1938 - 8 March 1940: 3:59.2 (20 August 1938; Berlin, GER)
Sharon Finneran USA SWI 1964 800 m freestyle – 28 September 1964 - 9 July 1967: 9:36.9 (28 September 1964; Los Angeles, USA); 200 m butterfly – 19 August 1962 - 27 July 1963: 2:31.2 (19 August 1962; Chicago, USA), 2:30.7 (25 August 1962; Los Altos, USA); 400 m medley – 26 July 1962 and 28 July 1962 - 10 March 1964: 5:27.4 (26 July 1962; Osaka, JPN), 5:21.9 (28 July 1962; Osaka, JPN)
José Sylvio Fiolo BRA SWI 1968—1976 100 m breaststroke – 19 February 1968 - 18 April 1968: 1:06.4 (19 February 1968; Rio de Janeiro, BRA)
Helmut Fischer GER SWI 1936 4×100 m freestyle relay – 5 March 1938 - 1 April 1938: 4:03.6 (5 March 1938; Bremen, GER)
Jennie Fletcher GBR SWI 1912 4×100 m freestyle relay – 15 July 1912 - 29 August 1920: 5:52.8 (15 July 1912; Stockholm, SWE)
Jeff Float USA SWI 1984 4×200 m freestyle relay – 30 July 1984 - 19 August 1987: 7:15.69 (30 July 1984; Los Angeles, USA)
Alan Ford USA SWI 1948 100 m freestyle – 13 April 1944 - 15 September 1947 and 29 June 1948 - 1 April 1954: 55.9 (13 April 1944; New Haven, USA), 55.4 (29 June 1948; New Haven, USA); 4×100 m freestyle relay – 29 June 1948 - 19 March 1951: 3:48.6 (29 June 1948; New Haven, USA)
Michelle Ford AUS SWI 1976—1980 800 m freestyle – 6 January 1978 - 21 February 1978: 8:34.86 (6 January 1978; Brisbane, AUS), 8:31.30 (21 January 1978; Sydney, AUS)
Bill Forrester USA SWI 1976 4×200 m freestyle relay – 24 August 1978 - 23 August 1983: 7:20.82 (24 August 1978; West-Berlin, FRG)
Willie Foster GBR SWI 1908—1912 4×200 m freestyle relay – 24 July 1908 - 12 July 1912: 10:55.6 (24 July 1908; London, GBR)
David Fox USA SWI 1996 4×100 m freestyle relay – 12 August 1995 - 16 September 2000: 3:15.11 (12 August 1995; Atlanta, USA)
Felipe França BRA SWI 2008—2016 50 m breaststroke – 8 May 2009 - 28 July 2009: 26.89 (8 May 2009; Rio de Janeiro, BRA)
Angela Franke GDR SWI 1972 400 m medley – 18 August 1973 - 6 September 1973: 5:01.10 (18 August 1973; Utrecht, NED)
Missy Franklin USA SWI 2012—2016 200 m backstroke – 3 August 2012 - 26 July 2019: 2:04.06 (3 August 2012; London, GBR); 4×100 m medley relay – 4 August 2012 - 30 July 2017: 3:52.05 (4 August 2012; London, GBR); 4×100 m freestyle mixed relay – 8 August 2015 - 29 July 2017: 3:23.05 (8 August 2015; Kazan, RUS)
Dawn Fraser AUS SWI 1956—1980 100 m freestyle – 21 February 1956 - 3 March 1956, 25 August 1956 - 20 October 1956, and 1 December 1956 - 8 January 1972: 1:04.5 (21 February 1956; Sydney, AUS), 1:03.3 (25 August 1956; Townsville, AUS), 1:02.0 (1 December 1956; Melbourne, AUS), 1:01.5 (18 February 1958; Melbourne, AUS), 1:01.4 (21 July 1958; Cardiff, GBR), 1:01.2 (10 August 1958; Schiedam, NED), 1:00.2 (23 February 1960; Sydney, AUS), 1:00.0 (23 October 1962; Melbourne, AUS), 59.9 (27 October 1962; Melbourne, AUS), 59.5 (24 November 1962; Perth, AUS), 58.9 (29 February 1964; Sydney, AUS); 200 m freestyle – 25 February 1956 - 25 August 1956 and 10 February 1958 - 19 August 1966: 2:20.7 (25 February 1956; Sydney, AUS), 2:17.7 (10 February 1958; Adelaide, AUS), 2:14.7 (22 February 1958; Melbourne, AUS), 2:11.6 (27 February 1960; Sydney, AUS); 4×100 m freestyle relay – 20 October 1956 - 3 September 1960: 4:22.3 (20 October 1956; Sydney, AUS), 4:19.7 (25 October 1956; Melbourne, AUS), 4:17.1 (6 December 1956; Melbourne, AUS), 4:16.2 (6 August 1960; Townsville, AUS)
Grete Frederiksen DEN SWI 1936 1500 m freestyle – 26 June 1936 - 3 July 1938: 22:36.7 (26 June 1936; København, DEN)
Hans Freese GER SWI 1936 4×100 m freestyle relay – 5 March 1938 - 1 April 1938: 4:03.6 (5 March 1938; Bremen, GER)
Heike Friedrich GDR SWI 1988 200 m freestyle – 18 June 1986 - 6 September 1994: 1:57.55 (18 June 1986; Ost-Berlin, GDR); 4×100 m freestyle relay – 21 August 1984 - 28 July 1992: 3:42.41 (21 August 1984; Moskva, URS), 3:40.57 (19 August 1986; Madrid, ESP); 4×200 m freestyle relay – 17 August 1986 - 18 August 2004: 7:59.33 (17 August 1986; Madrid, ESP), 7:55.47 (18 August 1987; Strasbourg, FRA)
Tatsuo Fujimoto JPN SWI 1960—1964 4×200 m freestyle relay – 22 July 1959 - 23 July 1960 and 21 April 1963 - 10 August 1963: 8:21.6 (22 July 1959; Tokyo, JPN), 8:18.7 (26 July 1959; Osaka, JPN), 8:09.8 (21 April 1963; Tokyo, JPN)
Makoto Fukui JPN SWI 1960—1964 4×200 m freestyle relay – 22 July 1959 - 23 July 1960 and 21 April 1963 - 10 August 1963: 8:21.6 (22 July 1959; Tokyo, JPN), 8:18.7 (26 July 1959; Osaka, JPN), 8:09.8 (21 April 1963; Tokyo, JPN)
Bruce Furniss USA SWI 1976 200 m freestyle – 18 June 1975 - 7 April 1979: 1:51.41 (18 June 1975; Long Beach, USA), 1:50.89 (18 June 1975; Long Beach, USA), 1:50.32 (21 August 1975; Kansas City, USA), 1:50.29 (19 July 1976; Montréal, CAN); 200 m medley – 23 August 1975 - 4 August 1977: 2:06.08 (23 August 1975; Kansas City, USA); 4×100 m freestyle relay – 25 July 1975 - 28 August 1977: 3:24.85 (25 July 1975; Cali, COL); 4×200 m freestyle relay – 22 August 1975 - 23 August 1983: 7:30.54 (22 August 1975; Kansas City, USA), 7:30.33 (21 July 1976; Montréal, CAN), 7:23.22 (21 July 1976; Montréal, CAN), 7:20.82 (24 August 1978; West-Berlin, FRG)
Steve Furniss USA SWI 1972—1976 200 m medley – 1 September 1974 - 23 August 1975: 2:06.32 tied (1 September 1974; Concord, USA); 4×200 m freestyle relay – 22 August 1975 - 21 July 1976: 7:30.54 (22 August 1975; Kansas City, USA)
Hironoshin Furuhashi JPN JOC/SWI 1952—1999 400 m freestyle – 24 July 1949 - 11 March 1950: 4:34.6 (24 July 1949; Tokyo, JPN), 4:33.3 (18 August 1949; Los Angeles, USA); 800 m freestyle – 26 June 1949 - 7 July 1951: 9:45.6 (26 June 1949; Tokyo, JPN), 9:40.7 (16 August 1949; Los Angeles, USA), 9:35.5 (16 August 1949; Los Angeles, USA); 1500 m freestyle – 16 August 1949 - 3 May 1956: 18:19.0 (16 August 1949; Los Angeles, USA); 4×200 m freestyle relay – 18 August 1949 - 24 February 1950 and 2 April 1950 - 2 August 1951: 8:45.4 (18 August 1949; Los Angeles, USA), 8:40.6 (2 April 1950; Marília, BRA)
Masaru Furukawa JPN SWI 1956 100 m breaststroke – 1 October 1955 - 1 May 1957: 1:08.2 (1 October 1955; Tokyo, JPN); 200 m breaststroke – 10 April 1954 - 17 September 1954 and 5 August 1955 - 28 June 1958: 2:36.6 (10 April 1954; Tokyo, JPN), 2:35.4 (10 April 1954; Tokyo, JPN), 2:33.7 (5 August 1955; Tokyo, JPN), 2:31.0 (1 October 1955; Tokyo, JPN); 4×100 m medley relay – 7 September 1957 - 25 July 1958: 4:17.8 (7 September 1957; Tokyo, JPN), 4:17.2 (28 May 1958; Tokyo, JPN)
Chris Fydler AUS SWI 1992—2000 4×100 m freestyle relay – 16 September 2000 - 15 August 2004: 3:13.67 (16 September 2000; Sydney, AUS)
Geoff Gaberino USA SWI 1984 4×200 m freestyle relay – 30 July 1984 - 30 July 1984: 7:18.87 (30 July 1984; Los Angeles, USA)
Rowdy Gaines USA SWI 1984 100 m freestyle – 3 April 1981 - 6 August 1985: 49.36 (3 April 1981; Austin, USA); 200 m freestyle – 11 April 1980 - 21 June 1983: 1:49.16 (11 April 1980; Austin, USA), 1:48.93 (19 July 1982; Mission Viejo, USA); 4×100 m freestyle relay – 22 August 1978 - 17 August 1985: 3:19.74 (22 August 1978; West-Berlin, FRG), 3:19.26 (5 August 1982; Guayaquil, ECU), 3:19.03 (2 August 1984; Los Angeles, USA); 4×200 m freestyle relay – 24 August 1978 - 23 August 1983: 7:20.82 (24 August 1978; West-Berlin, FRG); 4×100 m medley relay – 7 August 1982 - 18 August 1985: 3:40.84 (7 August 1982; Guayaquil, ECU), 3:40.42 (22 August 1983; Caracas, VEN), 3:39.30 (4 August 1984; Los Angeles, USA)
Nancy Garapick CAN SWI 1976 200 m backstroke – 27 April 1975 - 6 June 1975: 2:16.33 (27 April 1975; Brantford, CAN)
Eleanor Garatti-Saville USA SWI 1928—1932 100 m freestyle – 7 August 1929 - 25 August 1929: 1:09.8 (7 August 1929; Honolulu, USA); 4×100 m freestyle relay – 9 August 1928 - 14 April 1934: 4:47.6 (9 August 1928; Amsterdam, NED), 4:38.0 (12 August 1932; Los Angeles, USA)
Nel Garritsen NED SWI 1952 3×100 m medley relay – 2 December 1950 - 31 December 1952: 3:35.9 (2 December 1950; Rotterdam, NED)
Terry Gathercole AUS SWI 1956—1960 200 m breaststroke – 28 June 1958 - 28 July 1961: 2:36.5 (28 June 1958; Townsville, AUS); 4×100 m medley relay – 25 July 1958 - 24 July 1960: 4:14.2 (25 July 1958; Cardiff, GBR), 4:10.4 (22 August 1958; Osaka, JPN)
Ines Geißler GDR SWI 1980 4×100 m medley relay – 6 August 1982 - 30 July 1992: 4:05.88 (6 August 1982; Guayaquil, ECU), 4:05.79 (26 August 1983; Roma, ITA), 4:03.69 (24 August 1984; Moskva, URS)
Steve Genter USA SWI 1972 4×200 m freestyle relay – 9 August 1971 - 10 September 1971 and 31 August 1972 - 7 September 1973: 7:45.8 (9 August 1971; Cali, COL), 7:35.78 (31 August 1972; München, FRG)
Agnes Geraghty USA SWI 1924—1928 100 m breaststroke – 13 February 1926 - 9 June 1928: 1:28.8 (13 February 1926; St. Augustine, USA)
Éva Gérard-Novák BEL
HUN
SWI 1948—1956 200 m breaststroke – 21 October 1950 - 13 November 1956: 2:48.8 (21 October 1950; Székesfehérvár, HUN) (competed as Éva Novák for Hungary), 2:48.5 (5 May 1951; Moskva, URS) (competed as Éva Novák for Hungary); 4×100 m freestyle relay – 27 April 1952 - 20 October 1956: 4:27.2 (27 April 1952; Moskva, URS) (competed as Éva Novák for Hungary), 4:24.4 (1 August 1952; Helsinki, FIN) (competed as Éva Novák for Hungary)
Sylvia Gerasch GER SWI 2000 100 m breaststroke – 23 August 1984 - 21 August 1987: 1:08.29 (23 August 1984; Moskva, URS) (competed for East Germany), 1:08.11 (21 August 1986; Madrid, ESP) (competed for East Germany); 200 m breaststroke – 1 March 1986 - 18 August 1986: 2:28.20 (1 March 1986; Leningrad, URS) (competed for East Germany); 4×100 m medley relay – 24 August 1984 - 30 July 1992: 4:03.69 (24 August 1984; Moskva, URS) (competed for East Germany)
Ute Geweniger GDR SWI 1980 100 m breaststroke – 26 May 1980 - 23 August 1984: 1:10.20 (26 May 1980; Magdeburg, GDR), 1:10.11 (24 July 1980; Moskva, URS), 1:09.52 (9 April 1981; Gera, GDR), 1:09.39 (2 July 1981; Berlin, GDR), 1:08.60 (8 September 1981; Split, YUG), 1:08.51 (25 August 1983; Roma, ITA); 200 m medley – 4 July 1981 - 30 July 1992: 2:11.73 (4 July 1981; Magdeburg, GDR); 4×100 m medley relay – 20 July 1980 - 24 August 1984: 4:06.67 (20 July 1980; Moskva, URS), 4:05.88 (6 August 1982; Guayaquil, ECU), 4:05.79 (26 August 1983; Roma, ITA)
Margaret Gibson AUS SWI 1956 4×100 m freestyle relay – 20 October 1956 - 6 December 1956: 4:22.3 (20 October 1956; Sydney, AUS), 4:19.7 (25 October 1956; Melbourne, AUS)
Irene Gilbert GBR SWI 1924 100 m breaststroke – 30 October 1924 - 4 October 1925: 1:31.8 (30 October 1924; Rotherham, GBR); 200 m breaststroke – 18 June 1923 - 5 April 1925: 3:20.4 (18 June 1923; Rotherham, GBR)
Dave Gillanders USA SWI 1960 4×100 m medley relay – 27 August 1960 - 1 September 1960: 4:08.2 (27 August 1960; Roma, ITA)
Nick Gillingham GBR SWI 1988—1996 200 m breaststroke – 19 August 1989 - 20 August 1989: 2:12.90 tied (19 August 1989; Bonn, FRG)
Doug Gjertsen USA SWI 1988—1992 4×200 m freestyle relay – 21 September 1988 - 27 July 1992: 7:12.51 (21 September 1988; Seoul, KOR)
Harry Glancy USA SWI 1924 4×200 m freestyle relay – 20 July 1924 - 4 September 1927: 9:53.4 (20 July 1924; Paris, FRA)
Knud Gleie DEN SWI 1952—1956 200 m breaststroke – 14 March 1952 - 10 April 1954: 2:37.4 (14 March 1952; København, DEN)
Barbara Göbel GER SWI 1960 100 m breaststroke – 1 July 1961 - 11 July 1964: 1:18.2 (1 July 1961; Rostock, GDR); 4×100 m medley relay – 23 August 1962 - 28 June 1964: 4:40.1 (23 August 1962; Leipzig, GDR)
Brian Goodell USA SWI 1976 400 m freestyle – 18 June 1976 - 6 April 1979: 3:53.08 (18 June 1976; Long Beach, USA), 3:51.93 (22 July 1976; Montréal, CAN), 3:51.56 (27 August 1978; West-Berlin, FRG); 1500 m freestyle – 21 June 1976 - 22 July 1980: 15:06.66 (21 June 1976; Long Beach, USA), 15:02.40 (20 July 1976; Montréal, CAN)
Christine Gosden GBR SWI 1956—1960 4×100 m medley relay – 25 July 1958 - 5 September 1958: 4:54.0 (25 July 1958; Cardiff, GBR)
Toru Goto JPN SWI 1952 4×100 m freestyle relay – 6 August 1955 - 3 May 1958: 3:46.8 (6 August 1955; Tokyo, JPN)
Alain Gottvallès FRA SWI 1960—1964 100 m freestyle – 13 September 1964 - 27 July 1967: 52.9 (13 September 1964; Budapest, HUN); 4×100 m freestyle relay – 10 August 1962 - 4 July 1963: 3:42.5 (10 August 1962; Thionville, FRA)
Daniela Götz GER SWI 2004—2008 4×100 m freestyle relay – 31 July 2006 - 18 March 2008: 3:35.22 (31 July 2006; Budapest, HUN)
Pip Gould NZL SWI 1956 100 m backstroke – 12 March 1958 - 19 April 1958: 1:12.5 (12 March 1958; Auckland, NZL); 200 m backstroke – 16 January 1957 - 17 May 1957: 2:39.9 (16 January 1957; Auckland, NZL)
Shane Gould AUS SWI 1972—1994 100 m freestyle – 30 April 1971 - 13 July 1973: 58.9 tied (30 April 1971; London, GBR), 58.5 (8 January 1972; Sydney, AUS); 200 m freestyle – 1 May 1971 - 22 August 1974: 2:06.5 (1 May 1971; London, GBR), 2:05.8 (26 November 1971; Sydney, AUS), 2:03.56 (1 September 1972; München, FRG); 400 m freestyle – 9 July 1971 - 22 August 1973: 4:21.2 (9 July 1971; Santa Clara, USA), 4:19.04 (30 August 1972; München, FRG); 800 m freestyle – 3 December 1971 - 6 August 1972: 8:58.1 (3 December 1971; Sydney, AUS); 1500 m freestyle – 12 December 1971 - 25 August 1973: 17:00.6 (12 December 1971; Sydney, AUS), 16:56.9 (11 February 1973; Adelaide, AUS); 200 m medley – 28 August 1972 - 13 April 1973: 2:23.07 (28 August 1972; München, FRG)
Cynthia Goyette USA SWI 1964 4×100 m medley relay – 28 September 1964 - 30 July 1967: 4:34.6 (28 September 1964; Los Angeles, USA), 4:33.9 (18 October 1964; Tokyo, JPN)
Jed Graef USA SWI 1964 200 m backstroke – 13 October 1964 - 29 August 1967: 2:10.3 (13 October 1964; Tokyo, JPN)
Horst-Günter Gregor GDR
GER
SWI 1964—1968 4×100 m medley relay – 7 November 1967 - 26 October 1968: 3:56.5 (7 November 1967; Leipzig, GDR) (competed for East Germany)
Matt Grevers USA SWI 2008—2012 4×100 m freestyle relay – 10 August 2008 - 11 August 2008: 3:12.23 (10 August 2008; Beijing, CHN); 4×100 m medley mixed relay – 26 July 2017 - present: 3:38.56 (26 July 2017; Budapest, HUN)
Matt Gribble USA SWI 1984 100 m butterfly – 6 August 1983 - 26 June 1984: 53.44 (6 August 1983; Fresno, USA); 4×100 m medley relay – 7 August 1982 - 4 August 1984: 3:40.84 (7 August 1982; Guayaquil, ECU), 3:40.42 (22 August 1983; Caracas, VEN)
Judith Grinham GBR SWI 1956 100 m backstroke – 5 December 1956 - 23 July 1958 - 26 July 1959: 1:12.9 (5 December 1956; Melbourne, USA), 1:11.9 (23 July 1958; Cardiff, GBR); 4×100 m medley relay – 25 July 1958 - 5 September 1958: 4:54.0 (25 July 1958; Cardiff, GBR)
Ödön Gróf HUN SWI 1936 4×100 m freestyle relay – 14 July 1938 - 20 August 1938: 4:02.0 (14 July 1938; Budapest, HUN)
Gérard Gropaiz FRA SWI 1960—1964 4×100 m freestyle relay – 10 August 1962 - 4 July 1963: 3:42.5 (10 August 1962; Thionville, FRA)
Michael Groß FRG SWI 1984—1988 200 m freestyle – 21 June 1983 - 19 September 1988: 1:48.28 (21 June 1983; Hannover, FRG), 1:47.87 (22 August 1983; Roma, ITA), 1:47.55 (8 June 1984; München, FRG), 1:47.44 (29 July 1984; Los Angeles, USA); 400 m freestyle – 27 June 1985 - 25 March 1988: 3:47.80 (27 June 1985; Wuppertal, FRG); 100 m butterfly – 30 July 1984 - 23 June 1986: 53.08 (30 July 1984; Los Angeles, USA); 200 m butterfly – 26 August 1983 - 3 August 1984 and 29 June 1985 - 12 January 1991: 1:57.05 (26 August 1983; Roma, ITA), 1:57.01 (29 June 1985; Wuppertal, FRG), 1:56.65 (10 August 1985; Sofia, BUL), 1:56.24 (28 June 1986; Hannover, FRG); 4×200 m freestyle relay – 23 August 1983 - 30 July 1984 and 19 August 1987 - 21 September 1988: 7:20.40 (23 August 1983; Roma, ITA), 7:13.10 (19 August 1987; Strasbourg, FRA)
Irene Guest USA SWI 1920 4×100 m freestyle relay – 29 August 1920 - 20 July 1924: 5:11.6 (29 August 1920; Antwerpen, BEL)
Linda Gustavson USA SWI 1968 200 m freestyle – 24 August 1968 - 24 August 1968: 2:07.9 (24 August 1968; Los Angeles, USA); 4×100 m freestyle relay – 19 August 1967 - 11 September 1970: 4:03.5 (19 August 1967; Philadelphia, USA), 4:01.1 (6 July 1968; Santa Clara, USA)
Claire Guttenstein BEL SWI 1912 100 m freestyle – 2 October 1910 - 29 September 1911: 1:26.6 (2 October 1910; Schaerbeek, BEL)
Károly Güttler HUN SWI 1988—2000 100 m breaststroke – 3 August 1993 - 20 July 1996: 1:00.95 (3 August 1993; Sheffield, GBR)
Andrea Gyarmati HUN SWI 1968—1972 100 m butterfly – 31 August 1972 - 1 September 1972: 1:03.80 (31 August 1972; München, FRG)
Valéria Gyenge HUN SWI 1952—1956 800 m freestyle – 28 June 1953 - 14 January 1956: 10:42.4 (28 June 1953; Budapest, HUN); 4×100 m medley relay – 24 July 1953 - 3 August 1954: 5:10.8 (24 July 1953; Budapest, HUN), 5:09.2 (10 August 1953; Bucharest, ROU)
Dániel Gyurta HUN IOC/SWI 2004—2016 200 m breaststroke – 1 August 2012 - 15 September 2012: 2:07.28 (1 August 2012; London, GBR)
Ada den Haan NED SWI 1960 200 m breaststroke – 13 November 1956 - 25 July 1959: 2:46.4 (13 November 1956; Naarden, NED), 2:52.6 (18 May 1957; Blackpool, GBR), 2:51.9 (3 August 1957; Rhenen, NED), 2:51.3 (4 August 1957; Rhenen, NED); 4×100 m medley relay – 8 December 1956 - 25 July 1958 and 5 September 1958 - 6 September 1959: 4:53.1 (8 December 1956; Zwolle, NED), 4:57.0 (18 May 1957; Blackpool, GBR), 4:52.9 (5 September 1958; Budapest, HUN), 4:51.5 (26 July 1959; Waalwijk, NED)
Bobby Hackett USA SWI 1976 800 m freestyle – 21 June 1976 - 23 March 1979: 8:01.54 (21 June 1976; Long Beach, USA); 4×200 m freestyle relay – 24 August 1978 - 23 August 1983: 7:20.82 (24 August 1978; West-Berlin, FRG)
Grant Hackett AUS SWI 2000—2008 200 m freestyle – 23 March 1999 - 23 August 1999: 1:46.67 (23 March 1999; Brisbane, AUS); 800 m freestyle – 27 July 2005 - 29 July 2009: 7:38.65 (27 July 2005; Montréal, CAN); 1500 m freestyle – 29 July 2001 - 31 July 2011: 14:34.56 (29 July 2001; Fukuoka, JPN); 4×200 m freestyle relay – 25 August 1999 - 19 September 2000 and 27 July 2001 - 30 March 2007: 7:08.79 (25 August 1999; Sydney, AUS), 7:04.66 (27 July 2001; Fukuoka, JPN)
Nicole Haislett USA SWI 1992 4×100 m freestyle relay – 28 July 1992 - 7 September 1994: 3:39.46 (28 July 1992; Barcelona, ESP)
Paul Hait USA SWI 1960 4×100 m medley relay – 27 August 1960 - 20 August 1961: 4:08.2 (27 August 1960; Roma, ITA), 4:05.4 (1 September 1960; Roma, ITA)
Gary Hall USA SWI 1968—1976 200 m backstroke – 14 August 1969 - 29 August 1969: 2:06.6 (14 August 1969; Louisville, USA): 200 m butterfly – 22 August 1970 - 27 August 1971: 2:05.0 (22 August 1970; Los Angeles, USA); 200 m medley – 17 August 1969 - 12 September 1970 and 2 August 1972 - 3 September 1972: 2:09.6 (17 August 1969; Louisville, USA), 2:09.5 (23 August 1970; Los Angeles, USA), 2:09.30 tied (2 August 1972; Chicago, USA); 400 m medley – 20 July 1968 - 30 August 1968 and 11 July 1969 - 20 August 1974: 4:43.4 (20 July 1968; Los Angeles, USA), 4:38.7 (11 July 1969; Santa Clara, USA), 4:33.9 (15 August 1969; Louisville, USA), 4:31.0 (21 August 1970; Los Angeles, USA), 4:30.81 (3 August 1972; Chicago, USA); 4×200 m freestyle relay – 28 August 1970 - 9 August 1971: 7:48.0 (28 August 1970; Tokyo, JPN)
Gary Hall, Jr. USA SWI 1996—2004 4×100 m freestyle relay – 12 August 1995 - 16 September 2000: 3:15.11 (12 August 1995; Atlanta, USA); 4×100 m medley relay – 26 July 1996 - 29 August 2002: 3:34.84 (26 July 1996; Atlanta, USA), 3:33.73 (23 September 2000; Sydney, AUS)
Kaye Hall USA SWI 1968 100 m backstroke – 23 October 1968 - 6 July 1969: 1:06.2 (23 October 1968; Ciudad de México, MEX); 4×100 m medley relay – 14 September 1968 - 1 September 1970: 4:28.1 (14 September 1968; Colorado Springs, USA)
Zoltán Halmay HUN SWI 1900—1908 100 m freestyle – 3 December 1905 - 20 July 1908: 1:05.8 (3 December 1905; Wien, AUT)
Fran Halsall GBR SWI 2008—2016 4×100 m medley mixed relay – 19 August 2014 - 26 July 2017: 3:44.02 (19 August 2014; Berlin, GER), 3:41.71 (5 August 2015; Kazan, RUS)
Yoshihiro Hamaguchi JPN SWI 1952 4×200 m freestyle relay – 18 August 1949 - 24 February 1950 and 2 April 1950 - 2 August 1951: 8:45.4 (18 August 1949; Los Angeles, USA), 8:40.6 (2 April 1950; Marília, BRA)
Dick Hanley USA SWI 1956 200 m freestyle – 8 March 1957 - 18 January 1958: 2:01.5 (8 March 1957; Minneapolis, USA)
Brendan Hansen USA SWI 2004—2012 100 m breaststroke – 8 July 2004 - 11 August 2008: 59.30 (8 July 2004; Long Beach, USA), 59.13 (1 August 2006; Irvine, USA); 200 m breaststroke – 11 July 2004 - 8 June 2008: 2:09.04 (11 July 2004; Long Beach, USA), 2:08.74 (5 August 2006; Irvine, USA), 2:08.50 (21 August 2006; Victoria, CAN); 4×100 m medley relay – 29 August 2002 - 2 August 2009: 3:33.48 (29 August 2002; Yokohama, JPN), 3:31.54 (27 July 2003; Barcelona, ESP), 3:30.68 (21 August 2004; Athina, GRE), 3:29.34 (17 August 2008; Beijing, CHN)
Phyllis Harding GBR SWI 1924—1936 100 m backstroke – 30 May 1932 - 16 July 1932: 1:18.6 (30 May 1932; Wallasey, GBR); 200 m backstroke – 19 September 1932 - 20 January 1935: 2:50.4 (19 September 1932; Wallasey, GBR)
Harold Hardwick ANZ SWI 1912 4×200 m freestyle relay – 12 July 1912 - 29 August 1920: 10:14.0 (12 July 1912; Stockholm, SWE), 10:11.6 (15 July 1912; Stockholm, SWE)
Jessica Hardy USA SWI 2012 50 m breaststroke – 6 August 2009 - 3 August 2013: 29.95 (6 August 2009; Federal Way, USA), 29.80 (7 August 2009; Federal Way, USA); 100 m breaststroke – 25 July 2005 - 3 February 2006 and 7 August 2009 - 29 July 2013: 1:06.20 (25 July 2005; Montréal, CAN), 1:04.45 (7 August 2009; Washington, USA)
András Hargitay HUN SWI 1972—1980 400 m medley – 20 August 1974 - 2 April 1976: 4:28.89 (20 August 1974; Wien, AUT)
George Harrison USA SWI 1956—1960 200 m medley – 24 August 1956 - 19 July 1958: 2:30.7 (24 August 1956; Los Angeles, USA); 400 m medley – 24 June 1960 - 22 July 1960: 5:07.8 (24 June 1960; Los Angeles, USA), 5:05.3 (24 June 1960; Los Angeles, USA); 4×200 m freestyle relay – 1 September 1960 - 21 April 1963: 8:10.2 (1 September 1960; Roma, ITA)
Jo Harshbarger USA SWI 1972 800 m freestyle – 6 August 1972 - 3 September 1972 and 25 August 1974 - 31 March 1975: 8:53.83 (6 August 1972; Chicago, USA), 8:47.66 (25 August 1974; Concord, USA), 8:47.59 (31 August 1974; Concord, USA); 1500 m freestyle – 25 August 1973 - 9 December 1973: 16:54.14 (25 August 1973; Louisville, USA)
Keiji Hase JPN SWI 1956 4×100 m medley relay – 28 May 1958 - 29 June 1958: 4:17.2 (28 May 1958; Tokyo, JPN)
Shiro Hashizume JPN SWI 1952 800 m freestyle – 16 August 1949 - 16 August 1949: 9:45.0 (16 August 1949; Los Angeles, USA); 1500 m freestyle – 16 August 1949 - 16 August 1949: 18:35.7 (16 August 1949; Los Angeles, USA); 4×200 m freestyle relay – 2 April 1950 - 2 August 1951: 8:40.6 (2 April 1950; Marília, BRA)
Jack Hatfield GBR SWI/WAP 1912—1928 400 m freestyle – 26 September 1912 - 9 October 1919: 5:21.6 (26 September 1912; London, GBR)
Bruce Hayes USA SWI 1984 4×200 m freestyle relay – 30 July 1984 - 19 August 1987: 7:18.87 (30 July 1984; Los Angeles, USA), 7:15.69 (30 July 1984; Los Angeles, USA)
Brita Hazelius SWE SWI 1928 200 m breaststroke – 11 August 1926 - 24 October 1926: 3:19.1 (11 August 1926; Stockholm, SWE)
He Cihong CHN SWI 1992—1996 100 m backstroke – 10 September 1994 - 13 August 2002: 1:00.16 (10 September 1994; Roma, ITA); 4×100 m medley relay – 10 September 1994 - 23 September 2000: 4:01.67 (10 September 1994; Roma, ITA)
Cecil Healy ANZ
AUS
SWI 1906—1912 4×200 m freestyle relay – 12 July 1912 - 29 August 1920: 10:14.0 (12 July 1912; Stockholm, SWE), 10:11.6 (15 July 1912; Stockholm, SWE)
Mike Heath USA SWI 1984 4×100 m freestyle relay – 2 August 1984 - 23 September 1988: 3:19.03 (2 August 1984; Los Angeles, USA), 3:17.08 (17 August 1985; Tokyo, JPN); 4×200 m freestyle relay – 30 July 1984 - 19 August 1987: 7:15.69 (30 July 1984; Los Angeles, USA)
Harry Hebner USA SWI/WAP 1908—1920 4×200 m freestyle relay – 12 July 1912 - 12 July 1912: 10:26.4 (12 July 1912; Stockholm, SWE)
Kathy Heddy USA SWI 1976 4×100 m freestyle relay – 31 August 1974 - 26 July 1975: 3:51.99 (31 August 1974; Concord, USA)
Femke Heemskerk NED SWI 2008—2016 4×100 m freestyle relay – 18 March 2008 - 24 July 2014: 3:33.62 (18 March 2008; Eindhoven, NED), 3:31.72 (26 July 2009; Roma, ITA)
Marianne Heemskerk NED SWI 1960—1964 200 m butterfly – 12 June 1960 - 13 August 1961: 2:34.4 (12 June 1960; Leipzig, GDR)
Hermann Heibel GER SWI 1936 4×100 m freestyle relay – 5 March 1938 - 1 April 1938: 4:03.6 (5 March 1938; Bremen, GER)
Jerry Heidenreich USA SWI 1972 4×100 m freestyle relay – 28 August 1972 - 1 September 1974: 3:28.84 (28 August 1972; München, FRG), 3:26.42 (28 August 1972; München, FRG); 4×200 m freestyle relay – 9 August 1971 - 31 August 1972: 7:45.8 (9 August 1971; Cali, COL), 7:43.3 (10 September 1971; Minsk, URS); 4×100 m medley relay – 3 September 1971 - 22 July 1976: 3:50.4 (3 September 1971; Leipzig, GDR), 3:48.16 (4 September 1972; München, FRG)
Irma Heijting-Schuhmacher NED SWI 1948—1952 3×100 m medley relay – 2 December 1950 - 31 December 1952: 3:35.9 (2 December 1950; Rotterdam, NED)
Herbert Heinrich GER SWI 1928 4×200 m freestyle relay – 4 September 1927 - 11 August 1928: 9:49.6 (4 September 1927; Bologna, ITA)
August Heitmann GER SWI 1928 4×200 m freestyle relay – 4 September 1927 - 11 August 1928: 9:49.6 (4 September 1927; Bologna, ITA)
Claudia Hempel GDR SWI 1976 4×100 m freestyle relay – 26 July 1975 - 2 June 1976: 3:49.37 (26 July 1975; Cali, COL)
John Hencken USA SWI 1972—1976 100 m breaststroke – 29 August 1972 - 29 August 1972 and 4 September 1973 - 18 August 1977: 1:05.68 (29 August 1972; München, FRG), 1:04.35 (4 September 1973; Beograd, YUG), 1:04.02 (4 September 1973; Beograd, YUG), 1:03.88 tied (31 August 1974; Concord, USA), 1:03.88 (19 July 1976; Montréal, CAN), 1:03.62 (19 July 1976; Montréal, CAN), 1:03.11 (20 July 1976; Montréal, CAN); 200 m breaststroke – 5 August 1972 - 6 September 1973 and 24 August 1974 - 24 July 1976: 2:22.79 (5 August 1972; Chicago, USA), 2:21.55 (2 September 1972; München, FRG), 2:20.52 (24 August 1973; Louisville, USA), 2:18.93 (24 August 1974; Concord, USA), 2:18.21 (1 September 1974; Concord, USA); 4×100 m medley relay – 22 July 1976 - 7 August 1982: 3:42.22 (22 July 1976; Montréal, CAN)
Mark Henderson USA SWI 1996 4×100 m medley relay – 26 July 1996 - 23 September 2000: 3:34.84 (26 July 1996; Atlanta, USA)
Rainer Henkel FRG SWI 1984—1988 4×200 m freestyle relay – 19 August 1987 - 21 September 1988: 7:13.10 (19 August 1987; Strasbourg, FRA)
Jan Henne USA SWI 1968 4×100 m freestyle relay – 6 July 1968 - 11 September 1970: 4:01.1 (6 July 1968; Santa Clara, USA)
Egon Henninger GDR
GER
SWI 1960—1968 4×100 m medley relay – 7 November 1967 - 26 October 1968: 3:56.5 (7 November 1967; Leipzig, GDR) (competed for East Germany)
Jon Henricks AUS SWI 1956—1960 100 m freestyle – 30 November 1956 - 19 January 1957: 55.4 (30 November 1956; Melbourne, AUS); 4×200 m freestyle relay – 3 December 1956 - 22 July 1959 and 6 August 1960 - 1 September 1960: 8:23.6 (3 December 1956; Melbourne, AUS), 8:16.6 (6 August 1960; Townsville, AUS)
Jodie Henry AUS SWI 2004 100 m freestyle – 18 August 2004 - 31 January 2006: 53.52 (18 August 2004; Athina, GRE); 4×100 m freestyle relay – 14 August 2004 - 31 July 2006: 3:35.94 (14 August 2004; Athina, GRE); 4×100 m medley relay – 21 August 2004 - 21 March 2006: 3:57.32 (21 August 2004; Athina, GRE)
Gerhard Hetz GER SWI 1960—1964 400 m medley – 24 May 1962 - 30 June 1962 and 12 October 1963 - 31 July 1964: 4:53.8 (24 May 1962; Moskva, URS) (competed for West Germany), 4:50.2 (12 October 1963; Tokyo, JPN) (competed for West Germany)
Penny Heyns RSA SWI 1992—2000 50 m breaststroke – 29 August 1999 - 30 July 2002: 30.83 (29 August 1999; Sydney, AUS); 100 m breaststroke – 4 March 1996 - 21 July 2003: 1:07.46 (4 March 1996; Durban, RSA), 1:07.02 (21 July 1996; Atlanta, USA), 1:06.99 (18 July 1999; Los Angeles, USA), 1:06.95 (18 July 1999; Los Angeles, USA), 1:06.52 (23 August 1999; Sydney, AUS); 200 m breaststroke – 17 July 1999 - 10 July 2004: 2:24.69 (17 July 1999; Los Angeles, USA), 2:24.51 (17 July 1999; Los Angeles, USA), 2:24.42 (26 August 1999; Sydney, AUS), 2:23.64 (27 August 1999; Sydney, AUS)
Charlie Hickcox USA SWI 1968 100 m backstroke – 28 August 1967 - 21 September 1967: 59.3 (28 August 1967; Tokyo, JPN), 59.1 (31 August 1967; Tokyo, JPN); 200 m backstroke – 29 August 1967 - 8 November 1967: 2:09.4 (29 August 1967; Tokyo, JPN); 200 m medley – 31 August 1968 - 17 August 1969: 2:10.6 (31 August 1968; Los Angeles, USA); 400 m medley – 30 August 1968 - 11 July 1969: 4:43.3 (30 August 1968; Long Beach, USA), 4:39.0 (30 August 1968; Long Beach, USA); 4×100 m medley relay – 31 August 1967 - 7 November 1967 and 26 October 1968 - 8 September 1970: 3:57.2 (31 August 1967; Tokyo, JPN), 3:54.9 (26 October 1968; Ciudad de México, MEX)
Herbert Higgins USA SWI 1936 100 m breaststroke – 22 February 1935 - 6 August 1937: 1:10.8 (22 February 1935; New Haven, USA), 1:10.0 (3 March 1936; New Haven, USA)
Allison Higson CAN SWI 1988—1992 200 m breaststroke – 28 May 1988 - 21 September 1988: 2:27.27 (28 May 1988; Montréal, CAN)
Margery Hinton GBR SWI 1928—1936 200 m breaststroke – 20 July 1931 - 18 January 1932: 3:10.6 (20 July 1931; Manchester, GBR)
George Hodgson CAN SWI 1912—1920 400 m freestyle – 14 July 1912 - 26 September 1912: 5:24.4 (14 July 1912; Stockholm, SWE); 1500 m freestyle – 10 July 1912 - 8 July 1923: 22:00.0 (10 July 1912; Stockholm, SWE)
Margaret Hoelzer USA SWI 2004—2008 200 m backstroke – 5 July 2008 - 16 August 2008: 2:06.09 (5 July 2008; Omaha, USA)
Katie Hoff USA SWI 2004—2008 400 m medley – 1 April 2007 - 22 March 2008 and 29 June 2008 - 10 August 2008: 4:32.89 (1 April 2007; Melbourne, AUS), 4:31.12 (29 June 2008; Omaha, USA); 4×200 m freestyle relay – 29 March 2007 - 14 August 2008: 7:50.09 (29 March 2007; Melbourne, AUS)
Jörg Hoffmann GDR
GER
SWI 1988—1996 1500 m freestyle – 13 January 1991 - 5 April 1992: 14:50.36 (13 January 1991; Perth, AUS) (competed for Germany)
Steve Holland AUS SWI 1976 800 m freestyle – 5 August 1973 - 21 June 1975 and 27 February 1976 - 21 June 1976: 8:17.60 (5 August 1973; Brisbane, AUS), 8:16.27 (8 September 1973; Beograd, YUG), 8:15.88 (1 January 1974; Christchurch, NZL), 8:15.2 (17 January 1975; Brisbane, AUS), 8:15.02 (25 January 1975; Christchurch, NZL), 8:06.27 (27 February 1976; Sydney, AUS), 8:02.91 (29 February 1976; Sydney, AUS); 1500 m freestyle – 5 August 1973 - 25 August 1974, 25 January 1975 - 21 June 1975, and 27 February 1976 - 21 June 1976: 15:37.80 (5 August 1973; Brisbane, AUS), 15:31.85 (8 September 1973; Beograd, YUG), 15:27.79 (25 January 1975; Christchurch, NZL), 15:10.89 (27 February 1976; Sydney, AUS)
Eleanor Holm USA SWI 1928—1932 100 m backstroke – 16 July 1932 - 25 November 1934 and 15 January 1935 - 27 February 1936: 1:18.2 (16 July 1932; Jones Beach, USA), 1:16.3 (15 January 1935; Chicago, USA); 200 m backstroke – 1 February 1930 - 19 September 1932 and 3 March 1936 - 2 February 1937: 2:58.8 (1 February 1930; Buffalo, USA), 2:58.2 (1 March 1930; New York City, USA), 2:48.7 (3 March 1936; Toledo, USA)
Fred Holman GBR SWI 1908 200 m breaststroke – 18 July 1908 - 18 April 1909: 3:09.2 (18 July 1908; London, GBR)
Hanni Hölzner GER SWI 1936 100 m breaststroke – 15 January 1935 - 8 March 1936 and 13 March 1936 - 9 May 1943: 1:24.5 (15 January 1935; København, DEN), 1:23.4 (16 February 1936; Halle, GER), 1:20.2 (13 March 1936; Plauen, GER)
Pieter van den Hoogenband NED SWI 1996—2008 100 m freestyle – 19 September 2000 - 21 March 2008: 47.84 (19 September 2000; Sydney, AUS); 200 m freestyle – 17 September 2000 - 27 March 2001: 1:45.35 (17 September 2000; Sydney, AUS), 1:45.35 tied (18 September 2000; Sydney, AUS)
Silke Hörner GDR SWI 1988 100 m breaststroke – 21 August 1987 - 9 September 1994: 1:07.91 (21 August 1987; Strasbourg, FRA); 200 m breaststroke – 5 June 1985 - 1 March 1986, 18 August 1986 - 28 May 1988, and 21 September 1988 - 2 March 1992: 2:28.33 (5 June 1985; Leipzig, GDR), 2:27.40 (18 August 1986; Madrid, ESP), 2:26.71 (21 September 1988; Seoul, KOR)
Katinka Hosszú HUN SWI 2004—2016 200 m medley – 3 August 2015 - present: 2:06.12 (3 August 2015; Kazan, RUS); 400 m medley – 6 August 2016 - present: 4:26.36 (6 August 2016; Rio de Janeiro, BRA)
Carolyn House USA SWI 1960 800 m freestyle – 26 August 1962 - 30 July 1964: 9:51.6 (26 August 1962; Los Altos, USA); 1500 m freestyle – 16 August 1962 - 30 July 1964: 18:44.0 (16 August 1962; Chicago, USA)
Andriy Hovorov UKR SWI 2010—2016 50 m butterfly – 1 July 2018 - present: 22.27 (1 July 2018; Roma, ITA)
Joe Hudepohl USA SWI 1992—1996 4×100 m freestyle relay – 12 August 1995 - 16 September 2000: 3:15.11 (12 August 1995; Atlanta, USA)
Geoff Huegill AUS SWI 2000—2004 50 m butterfly – 14 May 2000 - 21 July 2003: 23.60 (14 May 2000; Sydney, AUS), 23.44 (27 July 2001; Fukuoka, JPN)
Sarina Hülsenbeck GDR SWI 1980 4×100 m freestyle relay – 27 July 1980 - 21 August 1984: 3:42.71 (27 July 1980; Moskva, URS)
Magdolna Hunyadfy HUN SWI 1952 4×100 m medley relay – 24 July 1953 - 3 August 1954: 5:10.8 (24 July 1953; Budapest, HUN), 5:09.2 (10 August 1953; Bucharest, ROU)
Ken Huszagh USA SWI 1912 4×200 m freestyle relay – 12 July 1912 - 12 July 1912: 10:26.4 (12 July 1912; Stockholm, SWE)
Ralph Hutton CAN SWI 1964—1972 400 m freestyle – 1 August 1968 - 14 August 1969: 4:06.5 (1 August 1968; Lincoln, USA)
Ragnhild Hveger DEN SWI 1936—1952 200 m freestyle – 11 September 1938 - 25 February 1956: 2:21.7 (11 September 1938; Aarhus, DEN); 400 m freestyle – 10 February 1937 - 25 August 1956: 5:14.2 (10 February 1937; København, DEN), 5:14.0 (3 October 1937; Ghent, BEL), 5:12.4 (14 November 1937; Magdeburg, GER), 5:11.0 (12 December 1937; København, DEN), 5:08.2 (16 January 1938; København, DEN), 5:06.1 (1 August 1938; København, DEN), 5:05.4 (8 September 1940; Svendborg, DEN), 5:00.1 (15 September 1940; København, DEN); 800 m freestyle – 3 July 1936 - 28 June 1953: 11:11.7 (3 July 1936; København, DEN), 10:52.5 (13 August 1941; København, DEN); 1500 m freestyle – 3 July 1938 - 23 July 1955: 21:45.7 (3 July 1938; Helsinki, FIN), 21:10.1 (11 August 1940; Helsinki, FIN), 20:57.0 (20 August 1941; København, DEN); 200 m backstroke – 14 February 1937 - 17 April 1938: 2:41.3 (14 February 1937; Århus, DEN); 4×100 m freestyle relay – 8 February 1938 - 27 April 1952: 4:29.7 (8 February 1938; København, DEN), 4:27.6 (7 August 1938; København, DEN)
Gary Ilman USA SWI 1964 4×100 m freestyle relay – 18 August 1963 - 28 August 1967: 3:36.1 (18 August 1963; Tokyo, JPN), 3:33.2 (14 October 1964; Tokyo, JPN); 4×200 m freestyle relay – 18 October 1964 - 24 July 1970: 7:52.1 (18 October 1964; Tokyo, JPN)
Toshio Irie JPN SWI 1928—1932 200 m backstroke – 14 October 1928 - 16 June 1930: 2:37.8 (14 October 1928; Tamagawa, JPN)
Katsuki Ishihara JPN SWI 1960—1964 4×100 m medley relay – 7 September 1957 - 28 May 1958: 4:17.8 (7 September 1957; Tokyo, JPN)
Takashi Ishimoto JPN SWI 1956 100 m butterfly – 16 June 1957 - 26 June 1960: 1:01.5 (16 June 1957; Kurume, JPN), 1:01.3 (7 July 1957; Tokyo, JPN), 1:01.2 (6 September 1957; Kurume, JPN), 1:01.1 (29 June 1958; Los Angeles, USA), 1:01.0 (14 September 1958; Kochi, JPN); 200 m butterfly – 1 October 1955 - 14 March 1956: 2:20.8 (1 October 1955; Tokyo, JPN); 4×100 m medley relay – 7 September 1957 - 25 July 1958: 4:17.8 (7 September 1957; Tokyo, JPN), 4:17.2 (28 May 1958; Tokyo, JPN)
Vasily Ivanov EUN SWI 1992 100 m breaststroke – 11 June 1991 - 20 August 1991: 1:01.45 tied (11 June 1991; Moskva, URS) (competed for the Soviet Union)
Jo Jackson GBR SWI 2004—2012 400 m freestyle – 16 March 2009 - 27 June 2009: 4:00.66 (16 March 2009; Sheffield, GBR)
Chris Jacobs USA SWI 1988 4×100 m freestyle relay – 23 September 1988 - 12 August 1995: 3:16.53 (23 September 1988; Seoul, KOR); 4×100 m medley relay – 25 September 1988 - 26 July 1996: 3:36.93 (25 September 1988; Seoul, KOR)
Else Jacobsen DEN SWI 1928—1932 100 m breaststroke – 10 April 1932 - 14 February 1933: 1:26.2 (10 April 1932; København, DEN), 1:26.0 (11 May 1932; Stockholm, SWE); 200 m breaststroke – 20 August 1927 - 15 April 1928 and 11 May 1932 - 30 September 1933: 3:16.6 (20 August 1927; Oslo, NOR), 3:03.4 (11 May 1932; Stockholm, SWE)
Tom Jager USA SWI 1984—1992 50 m freestyle – 13 August 1987 - 24 September 1988 and 20 August 1989 - 1 June 2000: 22.32 (13 August 1987; Brisbane, AUS), 22.23 (25 March 1988; Orlando, USA), 22.12 (20 August 1989; Tokyo, JPN), 21.98 (24 March 1990; Nashville, USA), 21.81 (24 March 1990; Nashville, USA); 4×100 m freestyle relay – 23 September 1988 - 12 August 1995: 3:16.53 (23 September 1988; Seoul, KOR)
Hilda James GBR SWI 1920 400 m freestyle – 29 July 1921 - 4 August 1922: 6:16.6 (29 July 1921; Leeds, GBR)
Alex Jany FRA SWI/WAP 1948—1960 100 m freestyle – 15 September 1947 - 29 June 1948: 55.8 (15 September 1947; Menton, FRA); 200 m freestyle – 20 September 1946 - 31 March 1950: 2:05.4 (20 September 1946; Marseille, FRA); 400 m freestyle – 12 September 1947 - 24 July 1949: 4:35.2 (12 September 1947; Monte Carlo, MON); 4×200 m freestyle relay – 2 August 1951 - 16 February 1952: 8:33.0 (2 August 1951; Marseille, FRA); 3×100 m medley relay – 8 August 1946 - 13 May 1951 and 25 March 1952 - 31 December 1952: 3:16.9 (8 August 1946; Toulouse, FRA), 3:12.3 (16 September 1946; Marseille, FRA); 3:09.6 (25 March 1952; Troyes, FRA); 4×100 m medley relay – 22 March 1953 - 1 April 1953: 4:32.2 (22 March 1953; Charleroi, BEL)
Chet Jastremski USA SWI 1964—1968 100 m breaststroke – 2 July 1961 - 5 July 1961 and 28 July 1961 - 26 March 1964: 1:11.1 (2 July 1961; Chicago, USA), 1:10.7 (28 July 1961; Tokyo, JPN), 1:10.0 (30 July 1961; Tokyo, JPN), 1:09.5 (3 August 1961; Osaka, JPN), 1:07.8 (20 August 1961; Los Angeles, USA), 1:07.5 (20 August 1961; Los Angeles, USA); 200 m breaststroke – 28 July 1961 - 15 October 1964: 2:33.6 (28 July 1961; Tokyo, JPN), 2:29.6 (19 August 1961; Los Angeles, USA), 2:28.2 (30 August 1964; New York City, USA); 4×100 m medley relay – 24 July 1960 - 27 August 1960 and 20 August 1961 - 24 August 1963: 4:09.2 (24 July 1960; Toledo, USA), 4:03.0 (20 August 1961; Los Angeles, USA), 4:01.6 (12 August 1962; Cuyahoga Falls, USA)
Otylia Jędrzejczak POL SWI 2000—2012 200 m butterfly – 4 August 2002 - 17 August 2006: 2:05.78 (4 August 2002; Berlin, GER), 2:05.61 (28 July 2005; Montréal, CAN)
Linda Jezek USA SWI 1976 200 m backstroke – 28 August 1978 - 27 July 1980: 2:11.93 (28 August 1978; West-Berlin, FRG)
Jiao Liuyang CHN SWI 2008—2012 4×100 m medley relay – 1 August 2009 - 4 August 2012: 3:52.19 (1 August 2009; Roma, ITA)
Brian Job USA SWI 1968—1972 200 m breaststroke – 22 August 1970 - 5 August 1972: 2:23.5 (22 August 1970; Los Angeles, USA)
Helen Johns USA SWI 1932 4×100 m freestyle relay – 12 August 1932 - 14 April 1934: 4:38.0 (12 August 1932; Los Angeles, USA)
Pierre Joly dit Dumesnil FRA SWI 1952 4×100 m medley relay – 22 March 1953 - 17 April 1953: 4:32.2 (22 March 1953; Charleroi, BEL), 4:31.5 (1 April 1953; Troyes, FRA)
Cullen Jones USA SWI 2008—2012 4×100 m freestyle relay – 19 August 2006 - 26 September 2013: 3:12.46 (19 August 2006; Victoria, CAN), 3:12.23 (10 August 2008; Beijing, CHN), 3:08.24 (11 August 2008; Beijing, CHN)
Leisel Jones AUS SWI 2000—2012 100 m breaststroke – 21 July 2003 - 25 July 2005 and 3 February 2006 - 27 July 2009: 1:06.37 (21 July 2003; Barcelona, ESP), 1:05.71 (3 February 2006; Melbourne, AUS), 1:05.09 (20 March 2006; Melbourne, AUS); 200 m breaststroke – 10 July 2004 - 12 July 2004 and 29 July 2005 - 15 August 2008: 2:22.96 (10 July 2004; Brisbane, AUS), 2:21.72 (29 July 2005; Montréal, CAN), 2:20.54 (1 February 2006; Melbourne, AUS); 4×100 m medley relay – 21 August 2004 - 1 August 2009: 3:57.32 (21 August 2004; Athina, GRE), 3:56.30 (21 March 2006; Melbourne, AUS), 3:55.74 (31 March 2007; Melbourne, AUS), 3:52.69 (17 August 2008; Beijing, CHN)
Lina Kačiušytė URS SWI 1980 200 m breaststroke – 24 August 1978 - 30 March 1979 and 6 April 1979 - 5 June 1985: 2:33.11 (24 August 1978; West-Berlin, FRG), 2:31.42 (24 August 1978; West-Berlin, FRG), 2:28.36 (6 April 1979; Potsdam, GDR)
Duke Kahanamoku USA SWI/WAP 1912—1924 100 m freestyle – 20 July 1912 - 19 July 1922: 1:01.6 (20 July 1912; Hamburg, GER), 1:01.4 (9 August 1918; New York City, USA), 1:00.4 (24 August 1920; Antwerpen, BEL); 4×200 m freestyle relay – 12 July 1912 - 12 July 1912 and 29 August 1920 - 20 July 1924: 10:26.4 (12 July 1912; Stockholm, SWE), 10:04.4 (29 August 1920; Antwerpen, BEL)
Anna-Karin Kammerling SWE SWI 2000—2008 50 m butterfly – 1 July 1999 - 20 May 2000 and 30 July 2002 - 13 June 2007: 26.39 (1 July 1999; Halmstad, SWE), 26.29 (27 July 1999; İstanbul, TUR), 25.57 (30 July 2002; Berlin, GER)
Jack Kasley USA SWI 1936 200 m breaststroke – 28 March 1936 - 6 July 1941: 2:37.2 (28 March 1936; New Haven, USA)
Klaus Katzur GDR
GER
SWI 1964—1972 4×100 m medley relay – 8 September 1970 - 3 September 1971: 3:54.4 (8 September 1970; Barcelona, ESP) (competed for East Germany)
Pua Kele Kealoha USA SWI 1920 4×200 m freestyle relay – 29 August 1920 - 20 July 1924: 10:04.4 (29 August 1920; Antwerpen, BEL)
Warren Kealoha USA SWI 1920—1924 100 m backstroke – 22 August 1920 - 20 June 1926: 1:14.8 (22 August 1920; Antwerpen, BEL), 1:12.6 (17 October 1922; Honolulu, USA), 1:12.4 (13 April 1924; Honolulu, USA), 1:11.4 (19 June 1926; Honolulu, USA)
Klete Keller USA SWI 2000—2008 4×200 m freestyle relay – 30 March 2007 - 13 August 2008: 7:03.24 (30 March 2007; Melbourne, AUS)
Jenny Kemp USA SWI 1972 4×100 m freestyle relay – 30 August 1972 - 8 September 1973: 3:55.19 (30 August 1972; München, FRG)
Patty Kempner USA SWI 1960 200 m medley – 27 April 1957 - 20 July 1958: 2:48.2 (27 April 1957; Chicago, USA); 4×100 m medley relay – 2 September 1960 - 23 August 1962: 4:41.1 (2 September 1960; Roma, ITA)
Alajos Kenyéry HUN SWI 1912 400 m freestyle – 21 April 1912 - 5 June 1912: 5:29.0 (21 April 1912; Magdeburg, GER)
Gusztáv Kettesi HUN SWI 1948—1952 400 m medley – 24 April 1953 - 24 April 1953 and 26 July 1953 - 29 October 1953: 5:38.7 (24 April 1953; Budapest, HUN), 5:32.1 (26 July 1953; Budapest, HUN)
Adolph Kiefer USA SWI 1936 100 m backstroke – 20 October 1935 - 23 June 1948: 1:07.0 (20 October 1935; Berlin, GER), 1:06.2 (22 October 1935; Krefeld, GER), 1:04.9 (9 November 1935; Breslau, GER), 1:04.8 (18 January 1936; Detroit, USA); 200 m backstroke – 11 April 1935 - 18 May 1943 and 4 March 1944 - 4 May 1949: 2:24.0 (11 April 1935; Chicago, USA), 2:23.0 (23 May 1941; Honolulu, USA), 2:19.3 (4 March 1944; Annapolis, USA)
Lenore Kight-Wingard USA SWI 1932—1936 800 m freestyle – 21 July 1935 - 3 July 1936: 11:34.4 (21 July 1935; Manhattan Beach, USA)
Klára Killermann-Bartos HUN SWI 1952—1960 4×100 m medley relay – 24 July 1953 - 16 August 1954: 5:10.8 (24 July 1953; Budapest, HUN) (competed as Klára Killermann), 5:09.2 (10 August 1953; Bucharest, ROU), 5:07.8 (3 August 1954; Budapest, HUN) (competed as Klára Killermann)
Lilly King USA SWI 2016 50 m breaststroke – 30 July 2017 - present: 29.40 (30 July 2017; Budapest, HUN); 100 m breaststroke – 25 July 2017 - present: 1:04.13 (25 July 2017; Budapest, HUN); 4×100 m medley relay – 30 July 2017 - present: 3:51.55 (30 July 2017; Budapest, HUN), 3:50.40 (28 July 2019; Gwangju, KOR); 4×100 m medley mixed relay – 26 July 2017 - present: 3:38.56 (26 July 2017; Budapest, HUN)
John Kinsella USA SWI 1968—1972 400 m freestyle – 20 August 1970 - 7 September 1970: 4:02.8 (20 August 1970; Los Angeles, USA); 1500 m freestyle – 23 August 1970 - 6 August 1972: 15:57.10 (23 August 1970; Los Angeles, USA); 4×200 m freestyle relay – 28 August 1970 - 9 August 1971 and 31 August 1972 - 7 September 1973: 7:48.0 (28 August 1970; Tokyo, JPN), 7:35.78 (31 August 1972; München, FRG)
Bill Kirby AUS SWI 2000 4×200 m freestyle relay – 25 August 1999 - 30 March 2007: 7:08.79 (25 August 1999; Sydney, AUS), 7:07.05 (19 September 2000; Sydney, AUS), 7:04.66 (27 July 2001; Fukuoka, JPN)
Kosuke Kitajima JPN SWI 2000—2012 100 m breaststroke – 21 July 2003 - 8 July 2004 and 11 August 2008 - 27 July 2009: 59.78 (21 July 2003; Barcelona, ESP), 58.91 (11 August 2008; Beijing, CHN); 200 m breaststroke – 2 October 2002 - 15 June 2003, 24 July 2003 - 11 July 2004, and 8 June 2008 - 30 July 2009: 2:09.97 (2 October 2002; Busan, KOR), 2:09.42 (24 July 2003; Barcelona, ESP), 2:07.51 (8 June 2008; Tokyo, JPN)
Ina Kleber GDR SWI 1980 100 m backstroke – 24 August 1984 - 22 August 1991: 1:00.59 (24 August 1984; Moskva, URS); 4×100 m medley relay – 26 August 1983 - 30 July 1992: 4:05.79 (26 August 1983; Roma, ITA), 4:03.69 (24 August 1984; Moskva, URS)
Hans-Joachim Klein GER SWI 1960—1964 200 m freestyle – 24 May 1964 - 1 August 1964: 1:58.2 (24 May 1964; Dortmund, FRG) (competed for West Germany)
Herbert Klein GER SWI 1952—1956 100 m breaststroke – 17 February 1952 - 11 February 1953: 1:05.8 (17 February 1952; Norderney, FRG) (competed for West Germany); 200 m breaststroke – 9 June 1951 - 14 March 1952: 2:27.3 (9 June 1951; München, FRG) (competed for West Germany)
Michael Klim AUS SWI 1996—2004 100 m freestyle – 16 September 2000 - 19 September 2000: 48.18 (16 September 2000; Sydney, AUS); 100 m butterfly – 9 October 1997 - 25 July 2003: 52.15 (9 October 1997; Brisbane, AUS), 52.03 (10 December 1999; Canberra, AUS), 51.81 (12 December 1999; Canberra, AUS); 4×100 m freestyle relay – 16 September 2000 - 15 August 2004: 3:13.67 (16 September 2000; Sydney, AUS); 4×200 m freestyle relay – 13 September 1998 - 30 March 2007: 7:11.86 (13 September 1998; Kuala Lumpur, MAS), 7:08.79 (25 August 1999; Sydney, AUS), 7:07.05 (19 September 2000; Sydney, AUS), 7:04.66 (27 July 2001; Fukuoka, JPN)
Yana Klochkova UKR SWI 2000—2008 400 m medley – 16 September 2000 - 1 April 2007: 4:33.59 (16 September 2000; Sydney, AUS)
Christiane Knacke GDR SWI 1980 100 m butterfly – 28 August 1977 - 3 July 1978: 59.78 (28 August 1977; Ost-Berlin, GDR)
Manabu Koga JPN SWI 1956 4×100 m freestyle relay – 6 August 1955 - 3 May 1958: 3:46.8 (6 August 1955; Tokyo, JPN); 4×100 m medley relay – 28 May 1958 - 25 July 1958: 4:17.2 (28 May 1958; Tokyo, JPN)
George Kojac USA SWI 1928 100 m backstroke – 23 June 1928 - 23 July 1934: 1:09.0 (23 June 1928; Detroit, USA), 1:08.2 (9 August 1928; Amsterdam, NED); 200 m backstroke – 16 June 1930 - 30 August 1934: 2:32.2 (16 June 1930; New Haven, USA); 4×200 m freestyle relay – 11 August 1928 - 27 August 1931: 9:36.2 (11 August 1928; Amsterdam, NED)
Ada Kok NED SWI 1964—1968 100 m butterfly – 1 September 1963 - 16 October 1964 and 14 August 1965 - 20 August 1970: 1:06.1 (1 September 1963; Soestduinen, NED), 1:05.1 (30 May 1964; Blackpool, GBR), 1:04.5 (14 August 1965; Budapest, HUN); 200 m butterfly – 21 August 1965 - 11 July 1970: 2:25.8 (21 August 1965; Leiden, NED), 2:25.3 (12 September 1965; Groningen, NED), 2:22.5 (2 August 1967; Groningen, NED), 2:21.0 (25 August 1967; Blackpool, GBR); 4×100 m medley relay – 28 June 1964 - 4 July 1964: 4:39.1 (28 June 1964; Groningen, NED)
Claudia Kolb USA SWI 1964—1968 100 m breaststroke – 11 July 1964 - 3 September 1964: 1:17.9 (11 July 1964; Los Angeles, USA); 200 m medley – 21 August 1966 - 8 July 1967: 2:27.8 (21 August 1966; Lincoln, USA), 200 m medley – 8 July 1967 - 30 July 1967: 2:27.5 (8 July 1967; Santa Clara, USA), 200 m medley – 30 July 1967 - 28 August 1972: 2:26.1 (30 July 1967; Winnipeg, CAN), 2:25.0 (18 August 1967; Philadelphia, USA), 2:23.5 (25 August 1967; Los Angeles, USA); 400 m medley – 9 July 1967 - 9 July 1972: 5:11.7 (9 July 1967; Santa Clara, USA), 5:09.7 (1 August 1967; Winnipeg, CAN), 5:08.2 (19 August 1967; Philadelphia, USA), 5:04.7 (24 August 1968; Los Angeles, USA); 4×100 m medley relay – 4 July 1964 - 28 September 1964: 4:38.1 (4 July 1964; Los Altos, USA)
Leonid Kolesnikov URS SWI 1960 100 m breaststroke – 2 May 1961 - 2 July 1961: 1:11.4 (2 May 1961; Moskva, URS)
Dmitry Komornikov RUS SWI 2000—2008 200 m breaststroke – 15 June 2003 - 24 July 2003: 2:09.52 (15 June 2003; Barcelona, ESP)
Ford Konno USA SWI 1952—1956 200 m freestyle – 27 February 1954 - 4 March 1955: 2:03.9 (27 February 1954; Columbus, USA); 400 m freestyle – 3 April 1954 - 27 October 1956: 4:26.7 (3 April 1954; New Haven, USA); 800 m freestyle – 7 July 1951 - 27 October 1956: 9:30.7 (7 July 1951; Honolulu, USA)
Ilsa Konrads AUS SWI 1960 400 m freestyle – 9 January 1960 - 5 August 1960: 4:45.4 (9 January 1960; Sydney, AUS); 800 m freestyle – 9 January 1958 - 17 August 1960: 10:17.7 (9 January 1958; Sydney, AUS), 10:16.2 (20 February 1958; Melbourne, AUS), 10:11.8 (13 June 1958; Townsville, AUS), 10:11.4 (19 February 1959; Hobart, AUS); 1500 m freestyle – 13 January 1960 - 8 September 1960: 19:25.7 (13 January 1960; Sydney, AUS); 4×100 m freestyle relay – 6 August 1960 - 3 September 1960: 4:16.2 (6 August 1960; Townsville, AUS)
John Konrads AUS SWI 1956—1964 200 m freestyle – 18 January 1958 - 22 August 1958 and 16 January 1959 - 26 July 1959: 2:04.8 (18 January 1958; Sydney, AUS), 2:03.2 (5 May 1958; Sydney, AUS), 2:02.2 (16 January 1959; Sydney, AUS); 400 m freestyle – 15 January 1958 - 26 July 1959 and 23 February 1960 - 17 August 1962: 4:25.9 (15 January 1958; Sydney, AUS), 4:21.8 (12 January 1959; Melbourne, AUS), 4:19.0 (7 February 1959; Sydney, AUS), 4:15.9 (23 February 1960; Sydney, AUS); 800 m freestyle – 11 January 1958 - 26 August 1962: 9:17.7 (11 January 1958; Sydney, AUS), 9:14.5 (22 February 1958; Melbourne, AUS), 8:59.6 (10 January 1959; Sydney, AUS); 1500 m freestyle – 22 February 1958 - 17 August 1963: 17:28.7 (22 February 1958; Melbourne, AUS), 17:11.0 (27 February 1960; Sydney, AUS); 4×100 m freestyle relay – 3 May 1958 - 21 July 1959: 3:46.3 (3 May 1958; Brisbane, AUS); 4×200 m freestyle relay – 6 August 1960 - 1 September 1960: 8:16.6 (6 August 1960; Townsville, AUS)
Sergey Koplyakov URS SWI 1976—1980 200 m freestyle – 7 April 1979 - 11 April 1980: 1:49.83 (7 April 1979; Potsdam, GDR)
Joke de Korte NED SWI 1952 4×100 m medley relay – 27 November 1954 - 17 July 1955 and 8 December 1956 - 18 May 1957: 5:02.1 (27 November 1954; Rotterdam, NED), 4:53.1 (8 December 1956; Zwolle, NED)
Marina Koshevaya URS SWI 1976 200 m breaststroke – 21 July 1976 - 7 April 1978: 2:33.35 (21 July 1976; Montréal, CAN)
Vladimir Kosinsky URS SWI 1964—1972 100 m breaststroke – 8 November 1967 - 19 February 1968: 1:06.7 (8 November 1967; Leningrad, URS); 200 m breaststroke – 3 April 1968 - 22 March 1969: 2:27.4 (3 April 1968; Tallinn, URS)
Rosemarie Kother-Gabriel GDR SWI 1972—1976 100 m butterfly – 21 August 1974 - 9 June 1975: 1:02.09 (21 August 1974; Wien, AUT), 1:01.99 (22 August 1974; Wien, AUT), 1:01.88 (1 September 1974; Concord, USA); 200 m butterfly – 8 September 1973 - 9 April 1978: 2:15.45 (8 September 1973; Beograd, YUG), 2:13.76 (8 September 1973; Beograd, YUG), 2:13.60 (14 March 1976; Tallinn, URS), 2:12.84 (4 June 1976; Ost-Berlin, GDR), 2:11.22 (5 June 1976; Ost-Berlin, GDR); 4×100 m freestyle relay – 2 June 1976 - 25 July 1976: 3:48.80 (2 June 1976; Ost-Berlin, GDR); 4×100 m medley relay – 4 September 1973 - 5 June 1976: 4:16.84 (4 September 1973; Beograd, YUG), 4:13.78 (24 August 1974; Wien, AUT)
Daniel Kowalski AUS SWI 1996—2000 4×200 m freestyle relay – 13 September 1998 - 25 August 1999: 7:11.86 (13 September 1998; Kuala Lumpur, MAS)
Barbara Krause GDR SWI 1980 100 m freestyle – 5 July 1978 - 19 August 1986: 55.41 (5 July 1978; Ost-Berlin, GDR), 54.98 (20 July 1980; Moskva, URS), 54.79 (21 July 1980; Moskva, URS); 200 m freestyle – 2 July 1978 - 22 August 1978: 1:59.04 (2 July 1978; Ost-Berlin, GDR); 400 m freestyle – 3 June 1976 - 20 July 1976: 4:11.69 (3 June 1976; Ost-Berlin, GDR); 4×100 m freestyle relay – 26 July 1975 - 25 July 1976 and 27 July 1980 - 21 August 1984: 3:49.37 (26 July 1975; Cali, COL), 3:48.80 (2 June 1976; Ost-Berlin, GDR), 3:42.71 (27 July 1980; Moskva, URS); 4×100 m medley relay – 5 June 1976 - 18 July 1976: 4:13.41 (5 June 1976; Ost-Berlin, GDR)
Lenny Krayzelburg USA SWI 2000—2004 50 m backstroke – 28 August 1999 - 27 July 2003: 24.99 (28 August 1999; Sydney, AUS); 100 m backstroke – 24 August 1999 - 21 August 2004: 53.60 (24 August 1999; Sydney, AUS); 200 m backstroke – 27 August 1999 - 20 March 2002: 1:55.87 (27 August 1999; Sydney, AUS); 4×100 m medley relay – 23 September 2000 - 29 August 2002: 3:33.73 (23 September 2000; Sydney, AUS)
Ranomi Kromowidjojo NED SWI 2008—2016 4×100 m freestyle relay – 18 March 2008 - 24 July 2014: 3:33.62 (18 March 2008; Eindhoven, NED), 3:31.72 (26 July 2009; Roma, ITA)
Pam Kruse USA SWI 1968 200 m freestyle – 19 August 1967 - 6 July 1968: 2:09.7 (19 August 1967; Philadelphia, USA); 400 m freestyle – 30 June 1967 - 27 July 1967: 4:36.8 (30 June 1967; Fort Lauderdale, USA), 4:36.4 (7 July 1967; Santa Clara, USA)
Ariana Kukors USA SWI 2012 200 m medley – 26 July 2009 - 3 August 2015: 2:07.03 (26 July 2009; Roma, ITA), 2:06.15 (27 July 2009; Roma, ITA)
Ursula Küper GER SWI 1960—1964 100 m breaststroke – 14 July 1960 - 1 July 1961: 1:19.0 (14 July 1960; Leipzig, GDR) (competed for East Germany)
Ernst-Joachim Küppers GER SWI 1964 100 m backstroke – 28 August 1964 - 3 September 1964: 1:00.8 (28 August 1964; Dortmund, FRG) (competed for West Germany)
Ethel Lackie USA SWI 1924 100 m freestyle – 28 January 1926 - 7 August 1929: 1:10.0 (28 January 1926; Toledo, USA); 4×100 m freestyle relay – 20 July 1924 - 9 August 1928: 4:58.8 (20 July 1924; Paris, FRA)
Tineke Lagerberg NED SWI 1960 200 m butterfly – 12 December 1956 - 29 June 1958 and 13 September 1958 - 19 July 1959: 2:42.3 (12 December 1956; Naarden, NED), 2:38.1 (19 March 1957; Naarden, NED), 2:38.9 (13 September 1958; Naarden, NED); 4×100 m medley relay – 8 December 1956 - 18 May 1957 and 26 July 1959 - 6 September 1959: 4:53.1 (8 December 1956; Zwolle, NED), 4:51.5 (26 July 1959; Waalwijk, NED)
Susan Laird USA SWI 1928 4×100 m freestyle relay – 9 August 1928 - 9 August 1928: 4:55.6 (9 August 1928; Amsterdam, NED)
Adelaide Lambert USA SWI 1928 4×100 m freestyle relay – 9 August 1928 - 12 August 1932: 4:55.6 (9 August 1928; Amsterdam, NED), 4:47.6 (9 August 1928; Amsterdam, NED)
Giorgio Lamberti ITA SWI 1988—1992 200 m freestyle – 15 August 1989 - 23 March 1999: 1:46.69 (15 August 1989; Bonn, FRG)
Jutta Langenau GER SWI 1956 100 m butterfly – 31 August 1954 - ?: 1:16.6 (31 August 1954; Torino, ITA) (competed for East Germany)
David Larson USA SWI 1984 4×200 m freestyle relay – 30 July 1984 - 19 August 1987: 7:18.87 (30 July 1984; Los Angeles, USA), 7:15.69 (30 July 1984; Los Angeles, USA)
Lance Larson USA SWI 1960 100 m butterfly – 26 June 1960 - 20 August 1961: 59.0 (26 June 1960; Los Angeles, USA), 58.7 (24 July 1960; Toledo, USA); 200 m medley – 11 July 1959 - 23 July 1960: 2:24.7 (11 July 1959; Santa Clara, USA); 4×100 m freestyle relay – 21 July 1959 - 10 August 1962: 3:44.4 (21 July 1959; Tokyo, JPN); 4×100 m medley relay – 1 September 1960 - 20 August 1961: 4:05.4 (1 September 1960; Roma, ITA)
Göran Larsson SWE SWI 1952 4×100 m medley relay – 17 April 1953 - 13 May 1953: 4:30.8 (17 April 1953; Lund, SWE), 4:27.8 (24 April 1953; Borås, SWE)
Gunnar Larsson SWE SWI 1968—1972 400 m freestyle – 7 September 1970 - 25 August 1971: 4:02.6 (7 September 1970; Barcelona, ESP); 200 m medley – 12 September 1970 - 24 August 1974: 2:09.3 (12 September 1970; Barcelona, ESP), 2:07.17 (3 September 1972; München, FRG)
Béla Las-Torres HUN SWI 1908—1912 400 m freestyle – 5 June 1912 - 14 July 1912: 5:28.4 (5 June 1912; Budapest, HUN)
Walter Laufer USA SWI 1928 100 m backstroke – 20 June 1926 - 22 March 1927: 1:11.2 (20 June 1926; Berlin, GER); 200 m backstroke – 24 June 1926 - 14 October 1928: 2:47.1 (24 June 1926; Bremen, GER), 2:44.9 (11 July 1926; Nürnberg, GER), 2:38.8 (13 July 1926; Magdeburg, GER); 4×200 m freestyle relay – 11 August 1928 - 27 August 1931: 9:36.2 (11 August 1928; Amsterdam, NED)
Le Jingyi CHN SWI 1992—1996 50 m freestyle – 11 September 1994 - 4 June 2000: 24.51 (11 September 1994; Roma, ITA); 100 m freestyle – 5 September 1994 - 28 May 2000: 54.01 (5 September 1994; Roma, ITA); 4×100 m freestyle relay – 7 September 1994 - 16 September 2000: 3:37.91 (7 September 1994; Roma, ITA); 4×100 m medley relay – 10 September 1994 - 23 September 2000: 4:01.67 (10 September 1994; Roma, ITA)
Robin Leamy USA SWI 1984 4×100 m freestyle relay – 5 August 1982 - 2 August 1984: 3:19.26 (5 August 1982; Guayaquil, ECU)
Katie Ledecky USA SWI 2012—2016 400 m freestyle – 9 August 2014 - present: 3:58.86 (9 August 2014; Irvine, USA), 3:58.37 (23 August 2014; Gold Coast, AUS), 3:56.46 (7 August 2016; Rio de Janeiro, BRA); 800 m freestyle – 3 August 2013 - present: 8:13.86 (3 August 2013; Barcelona, ESP), 8:11.00 (22 June 2014; Shenandoah, USA), 8:07.39 (8 August 2015; Kazan, RUS), 8:06.68 (17 January 2016; Austin, USA), 8:04.79 (12 August 2016; Rio de Janeiro, BRA); 1500 m freestyle – 30 July 2013 - present: 15:36.53 (30 July 2013; Barcelona, ESP), 15:34.23 (19 June 2014; Shenandoah, USA), 15:28.36 (24 August 2014; Gold Coast, AUS), 15:27.71 (3 August 2015; Kazan, RUS), 15:25.48 (4 August 2015; Kazan, RUS), 15:20.48 (16 May 2018; Indianapolis, USA)
Faith Leech AUS SWI 1956 4×100 m freestyle relay – 25 October 1956 - 6 August 1960: 4:19.7 (25 October 1956; Melbourne, AUS), 4:17.1 (6 December 1956; Melbourne, AUS)
Árpád Lengyel HUN SWI 1936 4×100 m freestyle relay – 26 June 1937 - 15 August 1937: 4:10.2 (26 June 1937; Budapest, HUN)
Maria Lenk BRA SWI 1932—2000 200 m breaststroke – 8 November 1939 - 19 March 1941: 2:56.0 (8 November 1939; Rio de Janeiro, BRA)
Libby Lenton-Trickett AUS SWI 2004—2012 50 m freestyle – 29 March 2008 - 19 April 2009: 23.97 (29 March 2008; Sydney, AUS) (competed as Libby Trickett); 100 m freestyle – 31 March 2004 - 18 August 2004, 31 January 2006 - 2 August 2006, and 27 March 2008 - 25 June 2009: 53.66 (31 March 2004; Sydney, AUS) (competed as Libby Lenton), 53.42 (31 January 2006; Melbourne, AUS) (competed as Libby Lenton), 52.88 (27 March 2008; Sydney, AUS) (competed as Libby Trickett); 4×100 m freestyle relay – 14 August 2004 - 31 July 2006: 3:35.94 (14 August 2004; Athina, GRE) (competed as Libby Lenton); 4×100 m medley relay – 21 March 2006 - 1 August 2009: 3:56.30 (21 March 2006; Melbourne, AUS) (competed as Libby Lenton), 3:55.74 (31 March 2007; Melbourne, AUS) (competed as Libby Lenton), 3:52.69 (17 August 2008; Beijing, CHN) (competed as Libby Trickett)
Dmitry Lepikov EUN SWI 1992 4×200 m freestyle relay – 27 July 1992 - 13 September 1998: 7:11.95 (27 July 1992; Barcelona, ESP)
Jason Lezak USA SWI 2000—2012 4×100 m freestyle relay – 19 August 2006 - 10 August 2008 and 11 August 2008 - 26 September 2013: 3:12.46 (19 August 2006; Victoria, CAN), 3:08.24 (11 August 2008; Beijing, CHN); 4×100 m medley relay – 29 August 2002 - 2 August 2009: 3:33.48 (29 August 2002; Yokohama, JPN), 3:31.54 (27 July 2003; Barcelona, ESP), 3:30.68 (21 August 2004; Athina, GRE), 3:29.34 (17 August 2008; Beijing, CHN)
Li Zhesi CHN SWI 2008 4×100 m medley relay – 1 August 2009 - 4 August 2012: 3:52.19 (1 August 2009; Roma, ITA)
Lin Li CHN SWI 1988—1996 200 m medley – 30 July 1992 - 17 October 1997: 2:11.65 (30 July 1992; Barcelona, ESP)
Kim Linehan USA SWI 1984 400 m freestyle – 2 August 1978 - 24 August 1978: 4:07.66 (2 August 1978; The Woodlands, USA); 1500 m freestyle – 19 August 1979 - 31 July 1987: 16:04.49 (19 August 1979; Fort Lauderdale, USA)
Karla Linke GDR SWI 1976 200 m breaststroke – 19 August 1974 - 21 July 1976: 2:37.44 (19 August 1974; Wien, AUT), 2:34.99 (19 August 1974; Wien, AUT)
Jeremy Linn USA SWI 1996 4×100 m medley relay – 26 July 1996 - 23 September 2000: 3:34.84 (26 July 1996; Atlanta, USA)
Oleh Lisohor UKR SWI 2000—2008 50 m breaststroke – 2 August 2002 - 18 April 2009: 27.18 (2 August 2002; Berlin, GER)
Mária Littomeritzky HUN SWI 1948—1956 4×100 m freestyle relay – 27 April 1952 - 1 August 1952: 4:27.2 (27 April 1952; Moskva, URS); 4×100 m medley relay – 3 August 1954 - 16 August 1954: 5:07.8 (3 August 1954; Budapest, HUN)
Liu Jing CHN SWI 2008—2012 4×200 m freestyle relay – 30 July 2009 - 25 July 2019: 7:42.08 (30 July 2009; Roma, ITA)
Liu Limin CHN SWI 1996—2000 4×100 m medley relay – 10 September 1994 - 23 September 2000: 4:01.67 (10 September 1994; Roma, ITA)
Liu Xiang CHN SWI 2016 50 m backstroke – 21 August 2018 - present: 26.98 (21 August 2018; Jakarta, INA)
Liu Zige CHN SWI 2008—2012 200 m butterfly – 14 August 2008 - 29 July 2009 and 21 October 2009 - present: 2:04.18 (14 August 2008; Beijing, CHN), 2:01.81 (21 October 2009; Jinan, CHN)
Ryan Lochte USA SWI 2004—2016 200 m backstroke – 30 March 2007 - 11 July 2009: 1:54.32 (30 March 2007; Melbourne, AUS), 1:53.94 (15 August 2008; Beijing, CHN); 200 m medley – 30 July 2009 - present: 1:54.10 (30 July 2009; Roma, ITA), 1:54.00 (28 July 2011; Shanghai, CHN); 4×200 m freestyle relay – 30 March 2007 - present: 7:03.24 (30 March 2007; Melbourne, AUS), 6:58.56 (13 August 2008; Beijing, CHN), 6:58.55 (31 July 2009; Roma, ITA); 4×100 m freestyle mixed relay – 8 August 2015 - 29 July 2017: 3:23.05 (8 August 2015; Kazan, RUS)
Anita Lonsbrough GBR SWI 1960—1964 200 m breaststroke – 25 July 1959 - 6 June 1960 and 27 August 1960 - 5 August 1961: 2:50.3 (25 July 1959; Waalwijk, NED), 2:49.5 (27 August 1960; Roma, ITA); 4×100 m medley relay – 25 July 1958 - 5 September 1958: 4:54.0 (25 July 1958; Cardiff, GBR)
Martín López-Zubero ESP SWI 1988—1996 200 m backstroke – 13 August 1991 - 27 August 1999: 1:57.30 (13 August 1991; Fort Lauderdale, USA), 1:56.57 (23 November 1991; Tuscaloosa, USA)
Lea Loveless USA SWI 1992 4×100 m medley relay – 30 July 1992 - 10 September 1994: 4:02.54 (30 July 1992; Barcelona, ESP)
Jemma Lowe GBR SWI 2008—2012 4×100 m medley mixed relay – 19 August 2014 - 5 August 2015: 3:44.02 (19 August 2014; Berlin, GER)
Lu Bin CHN SWI 1992 4×100 m freestyle relay – 7 September 1994 - 16 September 2000: 3:37.91 (7 September 1994; Roma, ITA)
Steve Lundquist USA SWI 1984 100 m breaststroke – 19 July 1982 - 25 June 1984 and 29 July 1984 - 15 August 1989: 1:02.62 (19 July 1982; Mission Viejo, USA), 1:02.53 (21 August 1982; Indianapolis, USA), 1:02.34 (6 August 1983; Fresno, USA), 1:02.28 (17 August 1983; Caracas, VEN), 1:01.65 (29 July 1984; Los Angeles, USA); 200 m medley – 2 August 1978 - 24 August 1978: 2:04.39 (2 August 1978; The Woodlands, USA); 4×100 m medley relay – 7 August 1982 - 18 August 1985: 3:40.84 (7 August 1982; Guayaquil, ECU), 3:40.42 (22 August 1983; Caracas, VEN), 3:39.30 (4 August 1984; Los Angeles, USA)
Annika Lurz GER SWI 2008 4×100 m freestyle relay – 31 July 2006 - 18 March 2008: 3:35.22 (31 July 2006; Budapest, HUN); 4×200 m freestyle relay – 3 August 2006 - 29 March 2007: 7:50.82 (3 August 2006; Budapest, HUN)
Maurice Lusien FRA SWI 1948—1952 400 m medley – 24 April 1953 - 26 July 1953 and 18 March 1954 - 22 April 1954: 5:35.6 (24 April 1953; Troyes, FRA), 5:27.3 (18 March 1954; Reims, FRA); 3×100 m medley relay – 25 March 1952 - 31 December 1952: 3:09.6 (25 March 1952; Troyes, FRA); 4×100 m medley relay – 22 March 1953 - 1 April 1953: 4:32.2 (22 March 1953; Charleroi, BEL)
Odette Lusien FRA SWI 1952—1956 4×100 m medley relay – 16 August 1954 - 27 November 1954: 5:06.2 (16 August 1954; Marseille, FRA)
Willy Lützow GER SWI 1912 100 m breaststroke – 24 May 1921 - 24 September 1922: 1:16.8 (24 May 1921; Magdeburg, GER)
Francis Luyce FRA SWI 1964—1968 800 m freestyle – 21 July 1967 - 3 September 1968: 8:42.0 (21 July 1967; Dinard, FRA)
Dave Lyons USA SWI 1964 4×200 m freestyle relay – 28 September 1964 - 18 October 1964: 8:01.8 (28 September 1964; Los Angeles, USA)
Linda MacKenzie AUS SWI 2004—2008 4×200 m freestyle relay – 14 August 2008 - 30 July 2009: 7:44.31 (14 August 2008; Beijing, CHN)
Helene Madison USA SWI 1932 100 m freestyle – 14 March 1930 - 9 July 1933: 1:08.0 (14 March 1930; Miami Beach, USA), 1:06.6 (20 April 1931; Boston, USA); 200 m freestyle – 6 March 1930 - 3 May 1933: 2:34.6 (6 March 1930; St. Augustine, USA); 400 m freestyle – 3 February 1931 - 12 July 1934: 5:31.0 (3 February 1931; Seattle, USA), 5:28.5 (13 August 1932; Los Angeles, USA); 800 m freestyle – 6 July 1930 - 21 July 1935: 11:41.2 (6 July 1930; Long Beach, USA); 1500 m freestyle – 15 July 1931 - 26 June 1936: 23:17.2 (15 July 1931; New York City, USA); 4×100 m freestyle relay – 12 August 1932 - 14 April 1934: 4:38.0 (12 August 1932; Los Angeles, USA)
Hideko Maehata JPN SWI 1932—1981 200 m breaststroke – 30 September 1933 - 11 May 1937: 3:00.4 (30 September 1933; Tokyo, JPN)
James Magnussen AUS SWI 2012—2016 4×100 m freestyle mixed relay – 1 February 2014 - 8 August 2015: 3:23.29 (1 February 2014; Perth, AUS)
Shozo Makino JPN SWI 1932—1936 400 m freestyle – 14 August 1933 - 30 August 1934: 4:46.4 (14 August 1933; Tokyo, JPN); 800 m freestyle – 30 August 1931 - 21 June 1932 and 25 June 1933 - 24 July 1941: 10:16.6 (30 August 1931; Osaka, JPN), 10:08.6 (25 June 1933; Tokyo, JPN), 10:01.2 (16 September 1933; Tokyo, JPN), 9:55.8 (15 September 1934; Tokyo, JPN); 4×200 m freestyle relay – 19 August 1935 - 11 August 1936: 8:52.2 (19 August 1935; Tokyo, JPN)
Tom Malchow USA SWI 1996—2004 200 m butterfly – 17 June 2000 - 30 March 2001: 1:55.18 (17 June 2000; Charlotte, USA)
Laure Manaudou FRA SWI 2004—2012 200 m freestyle – 28 March 2007 - 11 August 2008: 1:55.52 (28 March 2007; Melbourne, AUS); 400 m freestyle – 12 May 2006 - 24 March 2008: 4:03.03 (12 May 2006; Tours, FRA), 4:02.13 (6 August 2006; Budapest, HUN)
Shelley Mann USA SWI 1956 100 m butterfly – ? - 16 April 1955 and 7 July 1956 - 12 November 1956: 1:14.0 (? ; Richmond, USA), 1:11.8 (7 July 1956; Tyler, USA)
Thompson Mann USA SWI 1964 100 m backstroke – 3 September 1964 - 28 August 1967: 1:00.0 (3 September 1964; New York City, USA), 59.6 (16 October 1964; Tokyo, JPN); 4×100 m medley relay – 16 October 1964 - 31 August 1967: 3:58.4 (16 October 1964; Tokyo, JPN)
Simone Manuel USA SWI 2016 4×100 m medley relay – 30 July 2017 - present: 3:51.55 (30 July 2017; Budapest, HUN), 3:50.40 (28 July 2019; Gwangju, KOR); 4×100 m freestyle mixed relay – 8 August 2015 - present: 3:23.05 (8 August 2015; Kazan, RUS), 3:19.60 (29 July 2017; Budapest, HUN), 3:19.40 (27 July 2019; Gwangju, KOR); 4×100 m medley mixed relay – 26 July 2017 - present: 3:38.56 (26 July 2017; Budapest, HUN)
Ann Marshall USA SWI 1972 4×100 m freestyle relay – 31 August 1974 - 26 July 1975: 3:51.99 (31 August 1974; Concord, USA)
John Marshall AUS SWI 1948—1956 200 m freestyle – 31 March 1950 - 27 February 1954: 2:04.6 (31 March 1950; New Haven, USA); 400 m freestyle – 11 March 1950 - 3 April 1954: 4:33.1 (11 March 1950; New Haven, USA), 4:29.5 (1 April 1950; New Haven, USA), 4:26.9 (24 March 1951; New Haven, USA)
Angel Martino USA SWI 1992—1996 4×100 m freestyle relay – 28 July 1992 - 7 September 1994: 3:39.46 (28 July 1992; Barcelona, ESP)
Kylie Masse CAN SWI 2016 100 m backstroke – 25 July 2017 - 28 July 2018: 58.10 (25 July 2017; Budapest, HUN)
Rie Mastenbroek NED SWI 1936—1997 100 m backstroke – 25 November 1934 - 15 January 1935 and 27 February 1936 - 8 September 1936: 1:16.8 (25 November 1934; Düsseldorf, GER), 1:15.8 (27 February 1936; Amsterdam, NED); 200 m backstroke – 20 January 1935 - 3 March 1936: 2:49.6 (20 January 1935; Amsterdam, NED); 4×100 m freestyle relay – 14 April 1934 - 8 February 1938: 4:33.3 (14 April 1934; Rotterdam, NED), 4:32.8 (24 May 1936; Rotterdam, NED)
Roland Matthes GDR SWI 1968—1976 100 m backstroke – 21 September 1967 - 18 July 1976: 58.4 (21 September 1967; Leipzig, GDR), 58.0 (26 October 1968; Ciudad de México, MEX), 57.8 (23 August 1969; Würzburg, FRG), 56.9 (8 September 1970; Barcelona, ESP), 56.7 (4 September 1971; Leipzig, GDR), 56.3 (8 April 1972; Moskva, URS), 56.30 (4 September 1972; München, FRG); 200 m backstroke – 8 November 1967 - 14 August 1969, 29 August 1969 - 20 August 1970, and 11 September 1970 - 19 June 1976: 2:07.9 (8 November 1967; Leipzig, GDR), 2:07.5 (14 August 1968; Leipzig, GDR), 2:07.4 (12 July 1969; Santa Clara, USA), 2:06.4 (29 August 1969; Ost-Berlin, GDR), 2:06.1 (11 September 1970; Barcelona, ESP), 2:05.6 (3 September 1971; Leipzig, GDR), 2:02.8 (10 July 1972; Leipzig, GDR), 2:02.82 (2 September 1972; München, FRG), 2:01.87 (6 September 1973; Beograd, YUG); 4×100 m medley relay – 7 November 1967 - 26 October 1968 and 8 September 1970 - 3 September 1971: 3:56.5 (7 November 1967; Leipzig, GDR), 3:54.4 (8 September 1970; Barcelona, ESP)
Edith Mayne GBR SWI 1928 1500 m freestyle – 15 September 1926 - 28 July 1927: 24:00.2 (15 September 1926; Exmouth, GBR)
Tom McBreen USA SWI 1972 400 m freestyle – 25 August 1971 - 12 February 1972: 4:02.1 (25 August 1971; Houston, USA); 4×200 m freestyle relay – 28 August 1970 - 9 August 1971 and 10 September 1971 - 31 August 1972: 7:48.0 (28 August 1970; Tokyo, JPN), 7:43.3 (10 September 1971; Minsk, URS)
Ethel McGary USA SWI 1928 800 m freestyle – 6 August 1925 - 7 August 1926: 12:58.2 (6 August 1925; Detroit, USA), 12:56.0 (15 August 1925; Indianapolis, USA); 1500 m freestyle – 31 December 1925 - 15 September 1926: 24:07.6 (31 December 1925; Coral Gables, USA)
Rich McGeagh USA SWI 1964 4×100 m medley relay – 24 August 1963 - 16 October 1964: 4:00.1 (24 August 1963; Osaka, JPN)
Perry McGillivray USA SWI/WAP 1912—1920 4×200 m freestyle relay – 12 July 1912 - 12 July 1912 and 29 August 1920 - 20 July 1924: 10:26.4 (12 July 1912; Stockholm, SWE), 10:04.4 (29 August 1920; Antwerpen, BEL)
Don McKenzie USA SWI 1968 4×100 m medley relay – 26 October 1968 - 8 September 1970: 3:54.9 (26 October 1968; Ciudad de México, MEX)
Emma McKeon AUS SWI 2010—2016 4×100 m freestyle relay – 24 July 2014 - present: 3:30.98 (24 July 2014; Glasgow, GBR), 3:30.65 (6 August 2016; Rio de Janeiro, BRA), 3:30.05 (5 July 2018; Gold Coast, AUS); 4×200 m freestyle relay – 25 July 2019 - present: 7:41.50 (25 July 2019; Gwangju, KOR)
Josephine McKim USA SWI 1928—1932 800 m freestyle – 10 August 1929 - 6 July 1930: 12:03.8 (10 August 1929; Honolulu, USA); 4×100 m freestyle relay – 9 August 1928 - 9 August 1928 and 12 August 1932 - 14 April 1934: 4:55.6 (9 August 1928; Amsterdam, NED), 4:38.0 (12 August 1932; Los Angeles, USA)
Frank McKinney USA SWI 1956—1960 200 m backstroke – 12 July 1959 - 26 June 1960: 2:17.9 (12 July 1959; Los Altos, USA), 2:17.8 (25 July 1959; Osaka, JPN); 4×100 m medley relay – 24 July 1960 - 27 August 1960 and 1 September 1960 - 20 August 1961: 4:09.2 (24 July 1960; Toledo, USA), 4:05.4 (1 September 1960; Roma, ITA)
Jimmy McLane USA SWI 1948—1952 4×200 m freestyle relay – 3 August 1948 - 18 August 1949 and 16 February 1952 - 4 November 1956: 8:46.0 (3 August 1948; London, GBR), 8:29.4 (16 February 1952; New Haven, USA)
Mary T. Meagher USA SWI 1984—1988 100 m butterfly – 11 April 1980 - 23 August 1999: 59.26 (11 April 1980; Austin, USA), 57.93 (16 August 1981; Brown Deer, USA); 200 m butterfly – 7 July 1979 - 17 May 2000: 2:09.77 (7 July 1979; San Juan, PUR), 2:08.41 (16 August 1979; Fort Lauderdale, USA), 2:07.01 (16 August 1979; Fort Lauderdale, USA), 2:06.37 (30 July 1980; Irvine, USA), 2:05.96 (13 August 1981; Brown Deer, USA)
Bonnie Mealing AUS SWI 1928—1932 100 m backstroke – 27 February 1930 - 30 May 1932: 1:20.6 (27 February 1930; Sydney, USA)
Jack Medica USA SWI 1936 200 m freestyle – 12 April 1935 - 12 February 1944: 2:07.2 (12 April 1935; Chicago, USA); 400 m freestyle – 30 August 1934 - 13 May 1941: 4:38.7 (30 August 1934; Honolulu, USA)
Rūta Meilutytė LTU SWI 2012—2016 50 m breaststroke – 3 August 2013 - 30 July 2017: 29.48 (3 August 2013; Barcelona, ESP); 100 m breaststroke – 29 July 2013 - 25 July 2017: 1:04.35 (29 July 2013; Barcelona, ESP)
Katrin Meißner GDR
GER
SWI 1988—2000 4×100 m freestyle relay – 29 July 2002 - 14 August 2004: 3:36.00 (29 July 2002; Berlin, GER) (competed for Germany)
Ken Merten USA SWI 1968 4×100 m medley relay – 31 August 1967 - 7 November 1967: 3:57.2 (31 August 1967; Tokyo, JPN)
Leonid Meshkov URS SWI 1952 100 m breaststroke – 20 December 1949 - 17 February 1952: 1:07.2 (20 December 1949; Moskva, URS), 1:07.0 (23 February 1950; Minsk, URS), 1:06.8 (17 April 1950; Moskva, URS), 1:06.6 (7 January 1951; Moskva, URS), 1:06.5 (5 May 1951; Moskva, URS); 3×100 m medley relay – 13 May 1951 - 25 March 1952: 3:11.1 (13 May 1951; Moskva, URS)
Caren Metschuck GDR SWI 1980 4×100 m freestyle relay – 27 July 1980 - 21 August 1984: 3:42.71 (27 July 1980; Moskva, URS); 4×100 m medley relay – 20 July 1980 - 6 August 1982: 4:06.67 (20 July 1980; Moskva, URS)
Bill Mettler USA SWI 1964 4×200 m freestyle relay – 28 September 1964 - 18 October 1964: 8:01.8 (28 September 1964; Los Angeles, USA)
Debbie Meyer USA SWI 1968 200 m freestyle – 24 August 1968 - 1 May 1971: 2:06.7 (24 August 1968; Los Angeles, USA); 400 m freestyle – 27 July 1967 - 30 April 1971: 4:32.6 (27 July 1967; Winnipeg, CAN), 4:29.0 (18 August 1967; Philadelphia, USA), 4:26.7 (1 August 1968; Lincoln, USA), 4:24.5 (25 August 1968; Los Angeles, USA), 4:24.3 (20 August 1970; Los Angeles, USA); 800 m freestyle – 9 July 1967 - 1 March 1970: 9:35.8 (9 July 1967; Santa Clara, USA), 9:22.9 (29 July 1967; Winnipeg, CAN), 9:19.0 (21 July 1968; Los Angeles, USA), 9:17.8 (4 August 1968; Lincoln, USA), 9:10.4 (28 August 1968; Los Angeles, USA); 1500 m freestyle – 9 July 1967 - 28 August 1971: 18:11.1 (9 July 1967; Santa Clara, USA), 17:50.2 (20 August 1967; Philadelphia, USA), 17:31.2 (21 August 1968; Los Angeles, USA), 17:19.9 (17 August 1969; Louisville, USA)
Alice Mills AUS SWI 2004—2008 4×100 m freestyle relay – 14 August 2004 - 31 July 2006: 3:35.94 (14 August 2004; Athina, GRE)
Betsy Mitchell USA SWI 1984—1988 200 m backstroke – 27 June 1986 - 25 August 1991: 2:08.60 (27 June 1986; Orlando, USA)
Yasuji Miyazaki JPN SWI 1932—1989 4×200 m freestyle relay – 9 August 1932 - 19 August 1935: 8:58.4 (9 August 1932; Los Angeles, USA)
Karen Moe-Thornton USA SWI 1972—1976 200 m butterfly – 11 July 1970 - 22 August 1970, 7 August 1971 - 28 August 1971, and 6 August 1972 - 8 September 1973: 2:20.7 (11 July 1970; Santa Clara, USA), 2:18.6 (7 August 1971; Santa Clara, USA), 2:16.62 (6 August 1972; Chicago, USA), 2:15.57 (4 September 1972; München, FRG)
John Moffet USA SWI 1984 100 m breaststroke – 25 June 1984 - 29 July 1984: 1:02.13 (25 June 1984; Indianapolis, USA); 4×100 m medley relay – 18 August 1985 - 25 September 1988: 3:38.28 (18 August 1985; Tokyo, JPN)
Anke Möhring GDR SWI 1988 800 m freestyle – 19 August 1987 - 22 March 1988: 8:19.53 (19 August 1987; Strasbourg, FRA); 4×200 m freestyle relay – 18 August 1987 - 18 August 2004: 7:55.47 (18 August 1987; Strasbourg, FRA)
John Monckton AUS SWI 1956—1960 100 m backstroke – 15 February 1958 - 19 August 1961: 1:01.5 (15 February 1958; Melbourne, AUS); 200 m backstroke – 15 January 1958 - 12 July 1959: 2:18.8 (15 January 1958; Sydney, AUS), 2:18.4 (18 February 1958; Melbourne, AUS); 4×100 m medley relay – 25 July 1958 - 24 July 1960: 4:14.2 (25 July 1958; Cardiff, GBR), 4:10.4 (22 August 1958; Osaka, JPN)
Jim Montgomery USA SWI 1976 100 m freestyle – 21 June 1975 - 3 August 1975 and 23 August 1975 - 14 August 1976: 51.12 (21 June 1975; Long Beach, USA), 50.59 (23 August 1975; Kansas City, USA), 50.39 (24 July 1976; Montréal, CAN), 49.99 (25 July 1976; Montréal, CAN); 4×100 m freestyle relay – 1 September 1974 - 5 August 1982: 3:25.17 (1 September 1974; Concord, USA), 3:24.85 (25 July 1975; Cali, COL), 3:21.11 (28 August 1977; Ost-Berlin, GDR), 3:19.74 (22 August 1978; West-Berlin, FRG); 4×200 m freestyle relay – 7 September 1973 - 22 August 1975 and 21 July 1976 - 24 August 1978: 7:33.22 (7 September 1973; Beograd, YUG), 7:23.22 (21 July 1976; Montréal, CAN); 4×100 m medley relay – 22 July 1976 - 7 August 1982: 3:42.22 (22 July 1976; Montréal, CAN)
Isabella Moore GBR SWI 1912 4×100 m freestyle relay – 15 July 1912 - 29 August 1920: 5:52.8 (15 July 1912; Stockholm, SWE)
Kendis Moore USA SWI 1968 200 m butterfly – 15 August 1965 - 21 August 1965: 2:26.3 (15 August 1965; Maumee, USA); 4×100 m medley relay – 30 July 1967 - 14 September 1968: 4:30.0 (30 July 1967; Winnipeg, CAN)
Wayne Moore USA SWI 1952 4×200 m freestyle relay – 16 February 1952 - 4 November 1956: 8:29.4 (16 February 1952; New Haven, USA)
Adrian Moorhouse GBR SWI 1984—1992 100 m breaststroke – 15 August 1989 - 7 January 1991: 1:01.49 (15 August 1989; Bonn, FRG), 1:01.49 tied (25 January 1990; Auckland, NZL), 1:01.49 tied (26 July 1990; London, GBR)
Pablo Morales USA SWI 1984—1992 100 m butterfly – 26 June 1984 - 30 July 1984 and 23 June 1986 - 23 August 1995: 53.38 (26 June 1984; Indianapolis, USA), 52.84 (23 June 1986; Orlando, USA); 4×100 m medley relay – 4 August 1984 - 25 September 1988 and 31 July 1992 - 26 July 1996: 3:39.30 (4 August 1984; Los Angeles, USA), 3:38.28 (18 August 1985; Tokyo, JPN), 3:36.93 tied (31 July 1992; Barcelona, ESP)
Karen Moras AUS SWI 1968—1972 400 m freestyle – 30 April 1971 - 9 July 1971: 4:22.6 (30 April 1971; London, GBR); 800 m freestyle – 1 March 1970 - 10 September 1971: 9:09.1 (1 March 1970; Sydney, AUS), 9:02.45 (18 July 1970; Edinburgh, GBR)
Sandra Morgan AUS SWI 1956—1960 4×100 m freestyle relay – 6 December 1956 - 6 August 1960: 4:17.1 (6 December 1956; Melbourne, AUS)
Gerald Mörken FRG SWI 1984 100 m breaststroke – 18 August 1977 - 19 July 1982: 1:02.86 (18 August 1977; Jönköping, SWE)
Alain Mosconi FRA SWI 1968—1972 400 m freestyle – 4 July 1967 - 7 July 1967: 4:09.2 (4 July 1967; Monte Carlo, MON); 800 m freestyle – 5 July 1967 - 21 July 1967: 8:46.8 (5 July 1967; Monte Carlo, MON)
Ed Moses USA SWI 2000 50 m breaststroke – 31 March 2001 - 2 August 2002: 27.39 (31 March 2001; Austin, USA); 100 m breaststroke – 28 March 2001 - 28 June 2001: 1:00.29 (28 March 2001; Austin, USA); 4×100 m medley relay – 23 September 2000 - 29 August 2002: 3:33.73 (23 September 2000; Sydney, AUS)
Lotte Mühe GER SWI 1928 100 m breaststroke – 9 June 1928 - 10 April 1932: 1:26.3 (9 June 1928; Magdeburg, GER); 200 m breaststroke – 15 April 1928 - 22 April 1928 and 15 July 1928 - 20 July 1931: 3:15.8 (15 April 1928; Magdeburg, GER), 3:11.2 (15 July 1928; Berlin, GER)
Jarmila Müllerová TCH SWI 1924 100 m backstroke – 29 July 1923 - 8 August 1923: 1:35.0 (29 July 1923; Praha, TCH)
Rafa Múñoz ESP SWI 2008 50 m butterfly – 5 April 2009 - 1 July 2018: 22.43 (5 April 2009; Malaga, ESP)
John Murphy USA SWI 1972 4×100 m freestyle relay – 28 August 1972 - 1 September 1974 and 25 July 1975 - 28 August 1977: 3:26.42 (28 August 1972; München, FRG), 3:24.85 (25 July 1975; Cali, COL)
Ryan Murphy USA SWI 2016 100 m backstroke – 13 August 2016 - present: 51.85 (13 August 2016; Rio de Janeiro, BRA); 4×100 m medley mixed relay – 26 July 2017: 3:40.28 (26 July 2017; Budapest, HUN)
John Naber USA SWI 1976 100 m backstroke – 18 July 1976 - 6 August 1983: 56.19 (18 July 1976; Montréal, CAN), 55.49 (19 July 1976; Montréal, CAN); 200 m backstroke – 19 June 1976 - 3 August 1983: 2:00.64 (19 June 1976; Long Beach, USA), 1:59.19 (27 July 1976; Montréal, CAN); 4×200 m freestyle relay – 21 July 1976 - 24 August 1978: 7:23.22 (21 July 1976; Montréal, CAN); 4×100 m medley relay – 22 July 1976 - 7 August 1982: 3:42.22 (22 July 1976; Montréal, CAN)
Jiro Nagasawa JPN SWI 1952 200 m butterfly – 17 September 1954 - 1 October 1955 and 14 March 1956 - 14 April 1956: 2:21.6 (17 September 1954; Tokyo, JPN), 2:19.3 (14 March 1956; New Haven, USA)
Artem Nakache FRA SWI 1936—1948 200 m breaststroke – 6 July 1941 - 5 April 1946: 2:36.8 (6 July 1941; Marseille, FRA)
Mai Nakamura JPN SWI 1996—2000 50 m backstroke – 25 April 2000 - 17 June 2000: 28.67 (25 April 2000; Tokyo, JPN)
Anita Nall USA SWI 1992 200 m breaststroke – 2 March 1992 - 15 March 1994: 2:25.92 (2 March 1992; Indianapolis, USA), 2:25.35 (2 March 1992; Indianapolis, USA); 4×100 m medley relay – 30 July 1992 - 10 September 1994: 4:02.54 (30 July 1992; Barcelona, ESP)
Gail Neall AUS SWI 1972 400 m medley – 9 July 1972 - 18 August 1973: 5:02.97 (9 July 1972; München, FRG)
Ryk Neethling RSA SWI 1996—2008 4×100 m freestyle relay – 15 August 2004 - 19 August 2006: 3:13.17 (15 August 2004; Athina, GRE)
Hiroshi Negami JPN SWI 1936 4×200 m freestyle relay – 19 August 1935 - 11 August 1936: 8:52.2 (19 August 1935; Tokyo, JPN)
Sandy Neilson USA SWI 1972 4×100 m freestyle relay – 18 August 1972 - 8 September 1973: 3:58.11 (18 August 1972; Knoxville, USA), 3:55.19 (30 August 1972; München, FRG); 4×100 m medley relay – 3 September 1972 - 4 September 1973: 4:20.75 (3 September 1972; München, FRG)
John Nelson USA SWI 1964—1968 400 m freestyle – 18 August 1966 - 18 August 1966: 4:11.8 (18 August 1966; Lincoln, USA)
Luis Nicolao ARG SWI 1960—1968 100 m butterfly – 24 April 1962 - 31 July 1967: 58.4 (24 April 1962; Rio de Janeiro, BRA), 57.0 (27 April 1962; Rio de Janeiro, BRA)
Boris Nik'it'ini URS SWI 1956—1960 4×200 m freestyle relay – 4 November 1956 - 3 December 1956: 8:24.5 (4 November 1956; Moskva, URS)
Gennady Nikolayev URS SWI 1956—1960 4×200 m freestyle relay – 4 November 1956 - 3 December 1956: 8:24.5 (4 November 1956; Moskva, URS)
Carola Nitschke GDR SWI 1976 100 m breaststroke – 2 June 1976 - 22 July 1976: 1:11.93 (2 June 1976; Ost-Berlin, GDR); 4×100 m medley relay – 5 June 1976 - 18 July 1976: 4:13.41 (5 June 1976; Ost-Berlin, GDR)
Ute Noack GER SWI 1964 4×100 m medley relay – 23 August 1962 - 28 June 1964: 4:40.1 (23 August 1962; Leipzig, GDR) (competed for East Germany)
Martha Norelius USA SWI 1924—1928 200 m freestyle – 28 February 1926 - 6 March 1930: 2:40.6 (28 February 1926; Miami, USA); 400 m freestyle – 23 January 1927 - 3 February 1931: 5:51.4 (23 January 1927; Coral Gables, USA), 5:49.6 (30 June 1928; New York City, USA), 5:42.8 (6 August 1928; Amsterdam, NED), 5:39.2 (27 August 1928; Wien, AUT); 800 m freestyle – 7 August 1926 - 10 August 1929: 12:47.2 (7 August 1926; Philadelphia, USA), 12:17.8 (31 July 1927; Massapequa, USA); 1500 m freestyle – 28 July 1927 - 15 July 1931: 23:44.6 (28 July 1927; Massapequa, USA); 4×100 m freestyle relay – 9 August 1928 - 12 August 1932: 4:47.6 (9 August 1928; Amsterdam, NED)
Doug Northway USA SWI 1972—1976 4×200 m freestyle relay – 21 July 1976 - 21 July 1976: 7:30.33 (21 July 1976; Montréal, CAN)
Ilona Novák HUN SWI 1948—1952 4×100 m freestyle relay – 1 August 1952 - 20 October 1956: 4:24.4 (1 August 1952; Helsinki, FIN); 3×100 m medley relay – 14 October 1950 - 2 December 1950: 3:41.2 (14 October 1950; Budapest, HUN)
Lacey Nymeyer USA SWI 2008 4×200 m freestyle relay – 29 March 2007 - 14 August 2008: 7:50.09 (29 March 2007; Melbourne, AUS)
Ian O'Brien AUS SWI 1964—1968 200 m breaststroke – 15 October 1964 - 3 April 1968: 2:27.8 (15 October 1964; Tokyo, JPN)
Siobhan-Marie O'Connor GBR SWI 2012—2016 4×100 m medley relay – 5 August 2015 - 26 July 2017: 3:41.71 (5 August 2015; Kazan, RUS)
Wally O'Connor USA SWI/WAP 1924—1936 4×200 m freestyle relay – 20 July 1924 - 4 September 1927: 9:53.4 (20 July 1924; Paris, FRA)
Kevin O'Halloran AUS SWI 1956 4×200 m freestyle relay – 3 December 1956 - 22 July 1959: 8:23.6 (3 December 1956; Melbourne, AUS)
Frank O'Neill AUS SWI 1952 400 m medley – 17 January 1953 - 24 April 1953: 5:48.5 (17 January 1953; Sydney, AUS), 5:43.0 (24 February 1953; Sydney, AUS)
Susie O'Neill AUS IOC/SWI 1992—2005 200 m butterfly – 17 May 2000 - 4 August 2002: 2:05.81 (17 May 2000; Sydney, AUS)
Yukiaki Okabe JPN SWI 1964 4×200 m freestyle relay – 21 April 1963 - 10 August 1963: 8:09.8 (21 April 1963; Tokyo, JPN)
Jon Olsen USA SWI 1992—1996 4×100 m freestyle relay – 12 August 1995 - 16 September 2000: 3:15.11 (12 August 1995; Atlanta, USA); 4×100 m medley relay – 31 July 1992 - 26 July 1996: 3:36.93 tied (31 July 1992; Barcelona, ESP)
Albina Osipowich USA SWI 1928 100 m freestyle – 25 August 1929 - 14 March 1930: 1:09.4 (25 August 1929; San Francisco, USA); 4×100 m freestyle relay – 9 August 1928 - 12 August 1932: 4:55.6 (9 August 1928; Amsterdam, NED), 4:47.6 (9 August 1928; Amsterdam, NED)
Per-Olof Östrand SWE SWI 1948—1956 4×100 m medley relay – 17 April 1953 - 13 May 1953: 4:30.8 (17 April 1953; Lund, SWE), 4:27.8 (24 April 1953; Borås, SWE)
Kristin Otto GDR SWI 1988 100 m freestyle – 19 August 1986 - 1 March 1992: 54.73 (19 August 1986; Madrid, ESP); 200 m freestyle – 23 May 1984 - 18 June 1986: 1:57.75 (23 May 1984; Magdeburg, GDR); 4×100 m freestyle relay – 21 August 1984 - 28 July 1992: 3:42.41 (21 August 1984; Moskva, URS), 3:40.57 (19 August 1986; Madrid, ESP); 4×200 m freestyle relay – 22 August 1983 - 17 August 1986: 8:02.27 (22 August 1983; Roma, ITA); 4×100 m medley relay – 6 August 1982 - 26 August 1983: 4:05.88 (6 August 1982; Guayaquil, ECU)
Yoshi Oyakawa USA SWI 1952—1956 100 m backstroke – 1 April 1954 - 27 February 1955: 1:02.8 (1 April 1954; New Haven, USA)
Éva Pajor HUN SWI 1956 4×100 m medley relay – 3 September 1955 - 19 November 1956: 4:57.8 (3 September 1955; Budapest, HUN)
Kylie Palmer AUS SWI 2008—2012 4×200 m freestyle relay – 14 August 2008 - 30 July 2009: 7:44.31 (14 August 2008; Beijing, CHN)
Pang Jiaying CHN SWI 2004—2012 4×200 m freestyle relay – 30 July 2009 - 25 July 2019: 7:42.08 (30 July 2009; Roma, ITA)
Nikolay Pankin URS SWI 1968—1976 100 m breaststroke – 18 April 1968 - 29 August 1972: 1:06.2 (18 April 1968; Moskva, URS), 1:05.8 (20 April 1969; Magdeburg, GDR); 200 m breaststroke – 22 March 1969 - 22 August 1970: 2:26.5 (22 March 1969; Minsk, URS), 2:25.4 (19 April 1969; Magdeburg, GDR)
Denis Pankratov RUS
EUN
SWI 1992—2000 100 m butterfly – 23 August 1995 - 9 October 1997: 52.32 (23 August 1995; Wien, AUT) (competed for Russia), 52.27 (24 July 1996; Atlanta, USA) (competed for Russia); 200 m butterfly – 14 June 1995 - 17 June 2000: 1:55.22 (14 June 1995; Canet-en-Roussillon, FRA) (competed for Russia)
Todd Pearson AUS SWI 2000—2004 4×200 m freestyle relay – 19 September 2000 - 27 July 2001: 7:07.05 (19 September 2000; Sydney, AUS)
Adam Peaty GBR SWI 2016 50 m breaststroke – 4 August 2015 - present: 26.42 (4 August 2015; Kazan, RUS), 26.10 (25 July 2017; Budapest, HUN), 25.95 (25 July 2017; Budapest, HUN); 100 m breaststroke – 17 April 2015 - present: 57.92 (17 April 2015; London, GBR), 57.55 (6 August 2016; Rio de Janeiro, BRA), 57.13 (7 August 2016; Rio de Janeiro, BRA), 57.10 (4 August 2018; Glasgow, GBR), 56.88 (21 July 2019; Gwangju, KOR); 4×100 m medley mixed relay – 19 August 2014 - 26 July 2017: 3:44.02 (19 August 2014; Berlin, GER), 3:41.71 (5 August 2015; Kazan, RUS)
Heidi Pechstein GER SWI 1960—1964 4×100 m medley relay – 23 August 1962 - 28 June 1964: 4:40.1 (23 August 1962; Leipzig, GDR) (competed for East Germany)
Rikke Møller Pedersen DEN SWI 2012—2016 200 m breaststroke – 1 August 2013 - present: 2:19.11 (1 August 2013; Barcelona, ESP)
Sue Pedersen USA SWI 1968 200 m freestyle – 6 July 1968 - 2 August 1968: 2:09.5 (6 July 1968; Santa Clara, USA); 4×100 m medley relay – 14 September 1968 - 1 September 1970: 4:28.1 (14 September 1968; Colorado Springs, USA)
Aaron Peirsol USA SWI 2000—2008 100 m backstroke – 21 August 2004 - 1 July 2009 and 8 July 2009 - 13 August 2016: 53.45 (21 August 2004; Athina, GRE), 53.17 (2 April 2005; Indianapolis, USA), 52.98 (27 March 2007; Melbourne, AUS), 52.89 (1 July 2008; Omaha, USA), 52.54 (12 August 2008; Beijing, CHN), 51.94 (8 July 2009; Indianapolis, USA); 200 m backstroke – 20 March 2002 - 30 March 2007, 4 July 2008 - 15 August 2008, and 11 July 2009 - present: 1:55.15 (20 March 2002; Minneapolis, USA), 1:54.74 (12 July 2004; Long Beach, USA), 1:54.66 (29 July 2005; Montréal, CAN), 1:54.44 (19 August 2006; Victoria, CAN), 1:54.32 tied (4 July 2008; Omaha, USA), 1:53.08 (11 July 2009; Indianapolis, USA), 1:51.92 (31 July 2009; Roma, ITA); 4×100 m medley relay – 29 August 2002 - present: 3:33.48 (29 August 2002; Yokohama, JPN), 3:31.54 (27 July 2003; Barcelona, ESP), 3:30.68 (21 August 2004; Athina, GRE), 3:29.34 (17 August 2008; Beijing, CHN), 3:27.28 (2 August 2009; Roma, ITA)
Federica Pellegrini ITA SWI 2004—2016 200 m freestyle – 27 March 2007 - 28 March 2007 and 11 August 2008 - present: 1:56.47 (27 March 2007; Melbourne, AUS), 1:55.45 (11 August 2008; Beijing, CHN), 1:54.82 (13 August 2008; Beijing, CHN), 1:54.47 (8 March 2009; Riccione, ITA), 1:53.67 (28 July 2009; Roma, ITA), 1:52.98 (29 July 2009; Roma, ITA); 400 m freestyle – 24 March 2008 - 16 March 2009 and 27 June 2009 - 9 August 2014: 4:01.53 (24 March 2008; Eindhoven, NED), 4:00.41 (27 June 2009; Pescara, ITA), 3:59.15 (26 July 2009; Roma, ITA)
Kieren Perkins AUS SWI 1992—2000 400 m freestyle – 3 April 1992 - 29 July 1992 and 11 September 1994 - 22 August 1999: 3:46.47 (3 April 1992; Canberra, AUS), 3:43.80 (11 September 1994; Roma, ITA); 800 m freestyle – 25 August 1991 - 26 March 2001: 7:47.85 (25 August 1991; Edmonton, CAN), 7:46.60 (16 February 1992; Sydney, AUS), 7:46.00 (24 August 1994; Victoria, CAN); 1500 m freestyle – 5 April 1992 - 29 July 2001: 14:48.40 (5 April 1992; Canberra, AUS), 14:43.48 (31 July 1992; Barcelona, ESP), 14:41.66 (24 August 1994; Victoria, CAN)
Marek Petrusewicz POL SWI 1952 100 m breaststroke – 18 October 1953 - 24 February 1954 and 23 May 1954 - 1 October 1955: 1:10.9 (18 October 1953; Wrocław, POL), 1:09.8 (23 May 1954; Wrocław, POL)
Kim Peyton USA SWI 1972—1976 4×100 m freestyle relay – 9 September 1971 - 30 August 1972, 31 August 1974 - 26 July 1975, and 25 July 1976 - 26 August 1978: 4:00.7 (9 September 1971; Minsk, URS), 3:58.11 (18 August 1972; Knoxville, USA), 3:51.99 (31 August 1974; Concord, USA), 3:44.82 (25 July 1976; Montréal, CAN)
Michael Phelps USA SWI 2000—2016 200 m freestyle – 27 March 2007 - 28 July 2009: 1:43.86 (27 March 2007; Melbourne, AUS), 1:42.96 (12 August 2008; Beijing, CHN); 100 m butterfly – 25 July 2003 - 26 July 2003, 9 July 2009 - 31 July 2009, and 1 August 2009 - 26 July 2019: 51.47 (25 July 2003; Barcelona, ESP), 50.22 (9 July 2009; Indianapolis, USA), 49.82 (1 August 2009; Roma, ITA); 200 m butterfly – 30 March 2001 - 24 July 2019: 1:54.92 (30 March 2001; Austin, USA), 1:54.58 (24 July 2001; Fukuoka, JPN), 1:53.93 (22 July 2003; Barcelona, ESP), 1:53.80 (17 August 2006; Victoria, CAN), 1:53.71 (17 February 2007; Columbia, USA), 1:52.09 (28 March 2007; Melbourne, AUS), 1:52.03 (13 August 2008; Beijing, CHN), 1:51.51 (21 July 2009; Roma, ITA); 200 m medley – 29 June 2003 - 30 July 2009: 1:57.94 (29 June 2003; Santa Clara, USA), 1:57.52 (24 July 2003; Barcelona, ESP), 1:56.04 (25 July 2003; Barcelona, ESP), 1:55.94 (9 August 2003; College Park, USA), 1:55.84 (20 August 2006; Victoria, CAN), 1:54.98 (29 March 2007; Melbourne, AUS), 1:54.80 (4 July 2008; Omaha, USA), 1:54.23 (15 August 2008; Beijing, CHN); 400 m medley – 15 August 2002 - present: 4:11.09 (15 August 2002; Fort Lauderdale, USA), 4:10.73 (7 April 2003; Indianapolis, USA), 4:09.09 (27 July 2003; Barcelona, ESP), 4:08.41 (7 July 2004; Long Beach, USA), 4:08.26 (14 August 2004; Athina, GRE), 4:06.22 (1 April 2007; Melbourne, AUS), 4:05.25 (29 June 2008; Omaha, USA), 4:03.84 (10 August 2008; Beijing, CHN); 4×100 m freestyle relay – 19 August 2006 - 10 August 2008 and 11 August 2008 - 26 September 2013: 3:12.46 (19 August 2006; Victoria, CAN), 3:08.24 (11 August 2008; Beijing, CHN); 4×200 m freestyle relay – 30 March 2007 - present: 7:03.24 (30 March 2007; Melbourne, AUS), 6:58.56 (13 August 2008; Beijing, CHN), 6:58.55 (31 July 2009; Roma, ITA); 4×100 m medley relay – 29 August 2002 - 27 July 2003 and 17 August 2008 - present: 3:33.48 (29 August 2002; Yokohama, JPN), 3:29.34 (17 August 2008; Beijing, CHN), 3:27.28 (2 August 2009; Roma, ITA)
Zus Philipsen-Braun NED SWI 1928—1932 100 m backstroke – 11 August 1928 - 27 February 1930: 1:21.6 (11 August 1928; Amsterdam, NED), 1:21.4 (20 April 1929; Bruxelles, BEL), 1:21.0 (27 November 1929; Den Haag, NED); 200 m backstroke – 24 November 1928 - 1 February 1930: 2:59.2 (24 November 1928; Bruxelles, BEL)
Annamay Pierse CAN SWI 2008 200 m breaststroke – 30 July 2009 - 1 August 2012: 2:20.12 (30 July 2009; Roma, ITA)
Janine Pietsch GER SWI 2004 50 m backstroke – 25 May 2005 - 28 March 2007: 28.19 (25 May 2005; Berlin, GER)
Carly Piper USA SWI 2004 4×200 m freestyle relay – 18 August 2004 - 3 August 2006: 7:53.42 (18 August 2004; Athina, GRE)
Sue Pitt USA SWI 1964 200 m butterfly – 27 July 1963 - 12 July 1964: 2:29.1 (27 July 1963; Philadelphia, USA)
Werner Plath GER SWI 1936 4×100 m freestyle relay – 1 April 1938 - 14 July 1938: 4:02.4 (1 April 1938; København, DEN)
Andrea Pollack GDR SWI 1976—1980 100 m butterfly – 3 July 1978 - 11 April 1980: 59.46 (3 July 1978; Ost-Berlin, GDR); 200 m butterfly – 9 April 1978 - 7 July 1979: 2:11.20 (9 April 1978; Leningrad, URS), 2:09.87 (4 July 1978; Ost-Berlin, GDR); 4×100 m freestyle relay – 2 June 1976 - 25 July 1976: 3:48.80 (2 June 1976; Ost-Berlin, GDR); 4×100 m medley relay – 5 June 1976 - 6 August 1982: 4:13.41 (5 June 1976; Ost-Berlin, GDR), 4:07.95 (18 July 1976; Montréal, CAN), 4:06.67 (20 July 1980; Moskva, URS)
Igor Polyansky URS SWI 1988 100 m backstroke – 15 March 1988 - 12 August 1988: 55.17 (15 March 1988; Tallinn, URS), 55.16 (16 March 1988; Tallinn, URS), 55.00 (16 July 1988; Moskva, URS); 200 m backstroke – 3 March 1985 - 13 August 1991: 1:58.14 (3 March 1985; Erfurt, GDR)
Aleksandr Popov RUS
EUN
IOC/SWI 1992—2018 50 m freestyle – 1 June 2000 - 17 February 2008: 21.64 (1 June 2000; Moskva, RUS) (competed for Russia); 100 m freestyle – 18 June 1994 - 16 September 2000: 48.21 (18 June 1994; Monte Carlo, MON) (competed for Russia)
Veronika Popova RUS SWI 2012—2016 4×100 m medley mixed relay – 16 May 2014 - 19 August 2014: 3:48.74 (16 May 2014; Moskva, RUS)
Udo Poser GDR SWI 1968—1972 4×100 m medley relay – 8 September 1970 - 3 September 1971: 3:54.4 (8 September 1970; Barcelona, ESP)
Ricardo Prado BRA SWI 1980—1984 400 m medley – 8 August 1982 - 23 May 1984: 4:19.78 (8 August 1982; Guayaquil, ECU)
Heorhiy Prokopenko URS SWI 1960—1964 100 m breaststroke – 26 March 1964 - 8 November 1967: 1:07.4 (26 March 1964; Baku, URS), 1:06.9 (3 September 1964; Moskva, URS)
Halyna Prozumenshchykova-Stepanova URS SWI 1964—1972 100 m breaststroke – 17 July 1966 - 28 December 1966: 1:15.7 (17 July 1966; Leningrad, URS); 200 m breaststroke – 11 April 1964 - 9 July 1967: 2:47.7 (11 April 1964; Blackpool, GBR), 2:45.4 (17 May 1964; Ost-Berlin, GDR), 2:45.3 (12 September 1965; Groningen, NED), 2:40.8 (22 August 1966; Utrecht, NED)
Vlad Pyshnenko RUS
EUN
SWI 1992—1996 4×200 m freestyle relay – 27 July 1992 - 13 September 1998: 7:11.95 (27 July 1992; Barcelona, ESP) (competed for the Unified Team)
Roger Pyttel GDR SWI 1972—1980 200 m butterfly – 3 June 1976 - 18 July 1976: 2:00.21 (3 June 1976; Ost-Berlin, GDR), 1:59.63 (3 June 1976; Ost-Berlin, GDR)
Qi Hui CHN SWI 2000—2008 200 m breaststroke – 13 April 2001 - 10 July 2004: 2:22.99 tied (13 April 2001; Hangzhou, CHN)
Megan Quann-Jendrick USA SWI 2000—2008 4×100 m medley relay – 23 September 2000 - 21 August 2004: 3:58.30 (23 September 2000; Sydney, AUS)
Erich Rademacher GER SWI/WAP 1928—1932 100 m breaststroke – 5 April 1925 - 5 December 1926: 1:15.9 (5 April 1925; Leipzig, GER); 200 m breaststroke – 12 November 1922 - 21 March 1924 and 7 April 1924 - 27 July 1929: 2:54.4 (12 November 1922; Amsterdam, NED), 2:50.4 (7 April 1924; Magdeburg, GER), 2:48.0 (11 March 1927; Bruxelles, BEL)
Joachim Rademacher GER WAP 1928—1932 4×200 m freestyle relay – 4 September 1927 - 11 August 1928: 9:49.6 (4 September 1927; Bologna, ITA)
Paul Radmilovic GBR SWI/WAP 1906—1928 4×200 m freestyle relay – 24 July 1908 - 12 July 1912: 10:55.6 (24 July 1908; London, GBR)
Marilyn Ramenofsky USA SWI 1964 400 m freestyle – 11 July 1964 - 14 August 1965: 4:42.0 (11 July 1964; Los Altos, USA), 4:41.7 (1 August 1964; Palo Alto, USA), 4:39.5 (31 August 1964; New York City, USA)
Nancy Ramey USA SWI 1956 100 m butterfly – 28 June 1958 - 2 April 1961: 1:09.6 (28 June 1958; Los Angeles, USA), 1:09.1 (2 September 1959; Chicago, USA); 200 m butterfly – 29 June 1958 - 13 September 1958: 2:40.5 (29 June 1958; Los Angeles, USA)
Martha Randall USA SWI 1964 400 m freestyle – 14 August 1965 - 30 June 1967: 4:39.2 (14 August 1965; Maumee, USA), 4:38.0 (26 August 1965; Monte Carlo, MON); 4×100 m medley relay – 28 September 1964 - 18 October 1964: 4:34.6 (28 September 1964; Los Angeles, USA)
Amanda Reason CAN SWI 2012 50 m breaststroke – 8 July 2009 - 2 August 2009: 30.23 (8 July 2009; Montréal, CAN)
Rica Reinisch GDR SWI 1980 100 m backstroke – 20 July 1980 - 24 August 1984: 1:01.51 tied (20 July 1980; Moskva, URS), 1:01.50 (22 July 1980; Moskva, URS), 1:00.86 (23 July 1980; Moskva, URS); 200 m backstroke – 27 July 1980 - 8 August 1982: 2:11.77 (27 July 1980; Moskva, URS); 4×100 m medley relay – 20 July 1980 - 6 August 1982: 4:06.67 (20 July 1980; Moskva, URS)
Steve Rerych USA SWI 1968 4×100 m freestyle relay – 3 September 1968 - 23 August 1970: 3:32.5 (3 September 1968; Long Beach, USA), 3:31.7 (17 October 1968; Ciudad de México, MEX)
Steph Rice AUS SWI 2008—2012 200 m medley – 25 March 2008 - 26 July 2009: 2:08.92 (25 March 2008; Sydney, AUS), 2:08.45 (13 August 2008; Beijing, CHN); 400 m medley – 22 March 2008 - 29 June 2008 and 10 August 2008 - 28 July 2012: 4:31.46 (22 March 2008; Sydney, AUS), 4:29.45 (10 August 2008; Beijing, CHN); 4×200 m freestyle relay – 14 August 2008 - 30 July 2009: 7:44.31 (14 August 2008; Beijing, CHN)
Walter Richardson USA SWI 1964 4×100 m medley relay – 24 August 1963 - 16 October 1964: 4:00.1 (24 August 1963; Osaka, JPN)
Ulrike Richter GDR SWI 1976 100 m backstroke – 18 August 1973 - 31 January 1974, 8 July 1974 - 3 June 1976, and 5 June 1976 - 22 July 1980: 1:05.39 (18 August 1973; Utrecht, NED), 1:04.99 (4 September 1973; Beograd, YUG), 1:04.43 (8 July 1974; Rostock, GDR), 1:04.09 (22 August 1974; Wien, AUT), 1:03.30 (23 August 1974; Wien, AUT), 1:03.08 (23 August 1974; Wien, AUT), 1:02.98 (1 September 1974; Concord, USA), 1:02.60 (14 March 1976; Tallinn, URS), 1:01.51 (5 June 1976; Ost-Berlin, GDR); 200 m backstroke – 7 July 1974 - 27 April 1975: 2:18.41 (7 July 1974; Rostock, GDR), 2:17.35 (25 August 1974; Wien, AUT); 4×100 m medley relay – 4 September 1973 - 5 June 1976 and 18 July 1976 - 20 July 1980: 4:16.84 (4 September 1973; Beograd, YUG), 4:13.78 (24 August 1974; Wien, AUT), 4:07.95 (18 July 1976; Montréal, CAN)
Brenton Rickard AUS SWI 2008—2012 100 m breaststroke – 27 July 2009 - 29 July 2012: 58.58 (27 July 2009; Roma, ITA)
Sam Riley AUS SWI 1992—1996 100 m breaststroke – 9 September 1994 - 4 March 1996: 1:07.69 (9 September 1994; Roma, ITA)
Wally Ris USA SWI 1948 4×200 m freestyle relay – 3 August 1948 - 18 August 1949: 8:46.0 (3 August 1948; London, GBR)
Carl Robie USA SWI 1964—1968 200 m butterfly – 19 August 1961 - 20 February 1962, 11 August 1962 - 23 October 1962, and 18 March 1963 - 29 March 1964: 2:12.6 (19 August 1961; Los Angeles, USA), 2:12.4 (11 August 1962; Cuyahoga Falls, USA), 2:10.8 (11 August 1962; Cuyahoga Falls, USA), 2:08.2 (18 March 1963; Tokyo, JPN)
Peter Rocca USA SWI 1976 4×100 m medley relay – 22 July 1976 - 22 July 1976: 3:47.28 (22 July 1976; Montréal, CAN)
Greg Rogers AUS SWI 1968—1972 4×200 m freestyle relay – 24 July 1970 - 28 August 1970: 7:50.8 (24 July 1970; Edinburgh, GBR)
Giaan Rooney AUS SWI 2000—2004 4×100 m medley relay – 21 August 2004 - 21 March 2006: 3:57.32 (21 August 2004; Athina, GRE)
Murray Rose AUS SWI 1956—1960 400 m freestyle – 27 October 1956 - 15 January 1958 and 17 August 1962 - 31 July 1964: 4:27.0 (27 October 1956; Melbourne, AUS), 4:25.9 (12 January 1957; Sydney, AUS), 4:13.4 (17 August 1962; Chicago, USA); 800 m freestyle – 26 August 1962 - 3 August 1966: 8:51.5 (26 August 1962; Los Altos, USA); 1500 m freestyle – 30 October 1956 - 5 December 1956 and 2 August 1964 - 2 September 1964: 17:59.5 (30 October 1956; Melbourne, AUS), 17:01.8 (2 August 1964; Palo Alto, USA); 4×200 m freestyle relay – 3 December 1956 - 22 July 1959 and 6 August 1960 - 1 September 1960: 8:23.6 (3 December 1956; Melbourne, AUS), 8:16.6 (6 August 1960; Townsville, AUS)
Norman Ross USA SWI/WAP 1920 200 m freestyle – 24 November 1916 - 10 April 1920: 2:21.6 (24 November 1916; San Francisco, USA); 400 m freestyle – 9 October 1919 - 9 April 1922: 5:14.6 (9 October 1919; Los Angeles, USA), 5:14.4 (25 September 1921; Brighton Beach, USA); 800 m freestyle – 10 January 1920 - 13 January 1923: 11:24.2 (10 January 1920; Sydney, AUS); 4×200 m freestyle relay – 29 August 1920 - 20 July 1924: 10:04.4 (29 August 1920; Antwerpen, BEL)
Dick Roth USA SWI 1964 200 m medley – 2 August 1964 - 24 July 1966: 2:15.5 (2 August 1964; Palo Alto, USA), 2:14.9 (15 August 1964; Maumee, USA); 400 m medley – 31 July 1964 - 3 April 1968: 4:48.6 (31 July 1964; Palo Alto, USA), 4:45.4 (14 October 1964; Tokyo, JPN)
Keena Rothhammer USA SWI 1972 400 m freestyle – 22 August 1973 - 28 June 1974: 4:18.07 (22 August 1973; Louisville, USA); 800 m freestyle – 3 September 1972 - 9 September 1973: 8:53.68 (3 September 1972; München, FRG)
Jeff Rouse USA SWI 1992—1996 100 m backstroke – 25 August 1991 - 31 July 1992: 53.93 (25 August 1991; Edmonton, CAN), 100 m backstroke – 31 July 1992 - 24 August 1999: 53.86 (31 July 1992; Barcelona, ESP); 4×100 m medley relay – 31 July 1992 - 23 September 2000: 3:36.93 tied (31 July 1992; Barcelona, ESP), 3:34.84 (26 July 1996; Atlanta, USA)
Norbert Rózsa HUN SWI 1992—2000 100 m breaststroke – 7 January 1991 - 3 August 1993: 1:01.49 tied (7 January 1991; Perth, AUS), 1:01.45 (7 January 1991; Perth, AUS), 1:01.29 (20 August 1991; Athina, GRE)
Thomas Rupprath GER SWI 2000—2008 50 m backstroke – 27 July 2003 - 2 April 2008: 24.80 (27 July 2003; Barcelona, ESP)
Doug Russell USA SWI 1968 100 m backstroke – 28 August 1967 - 28 August 1967: 59.5 (28 August 1967; Tokyo, JPN); 100 m butterfly – 29 August 1967 - 7 October 1967: 56.3 tied (29 August 1967; Tokyo, JPN); 4×100 m medley relay – 31 August 1967 - 7 November 1967 and 26 October 1968 - 8 September 1970: 3:57.2 (31 August 1967; Tokyo, JPN), 3:54.9 (26 October 1968; Ciudad de México, MEX)
Sylvia Ruuska USA SWI 1956—1960 200 m medley – 16 August 1958 - 13 May 1961: 2:43.2 (16 August 1958; Fresno, USA), 2:40.3 (14 January 1959; Hobart, AUS); 400 m medley – 27 June 1958 - 15 July 1960: 5:46.6 (27 June 1958; Los Angeles, USA), 5:43.7 (1 August 1958; Topeka, USA), 5:41.1 (24 February 1959; Melbourne, AUS), 5:40.2 (17 July 1959; Redding, USA)
Roy Saari USA SWI 1964 1500 m freestyle – 17 August 1963 - 2 August 1964 and 2 September 1964 - 15 August 1965: 17:05.5 (17 August 1963; Tokyo, JPN), 16:58.7 (2 September 1964; New York City, USA); 4×200 m freestyle relay – 19 August 1963 - 28 September 1964 and 18 October 1964 - 24 July 1970: 8:03.7 (19 August 1963; Tokyo, JPN), 7:52.1 (18 October 1964; Tokyo, JPN)
Yevgeny Sadovy EUN SWI 1992 400 m freestyle – 29 July 1992 - 11 September 1994: 3:45.00 (29 July 1992; Barcelona, ESP); 4×200 m freestyle relay – 27 July 1992 - 13 September 1998: 7:11.95 (27 July 1992; Barcelona, ESP)
Rich Saeger USA SWI 1984 4×200 m freestyle relay – 30 July 1984 - 30 July 1984: 7:18.87 (30 July 1984; Los Angeles, USA)
Vladimir Salnikov URS SWI 1976—1988 400 m freestyle – 6 April 1979 - 15 July 1980 and 12 March 1982 - 27 June 1985: 3:51.41 (6 April 1979; Potsdam, GDR), 3:51.40 (19 August 1979; Moskva, URS), 3:51.20 (29 February 1980; Potsdam, GDR), 3:49.57 (12 March 1982; Moskva, URS), 3:49.57 tied (14 July 1982; Kyiv, URS), 3:48.32 (19 February 1983; Moskva, URS); 800 m freestyle – 23 March 1979 - 25 August 1991: 7:56.49 (23 March 1979; Minsk, URS), 7:52.83 (14 February 1982; Moskva, URS), 7:52.33 (14 July 1983; Los Angeles, USA), 7:50.64 (4 July 1986; Moskva, URS); 1500 m freestyle – 22 July 1980 - 13 January 1991: 14:58.27 (22 July 1980; Moskva, URS), 14:56.35 (13 March 1982; Moskva, URS), 14:54.76 (22 February 1983; Moskva, URS)
Paul Samson USA SWI/WAP 1928 4×200 m freestyle relay – 11 August 1928 - 11 August 1928: 9:38.8 (11 August 1928; Amsterdam, NED)
Daniela Samulski GER SWI 2000—2008 50 m backstroke – 26 June 2009 - 29 July 2009: 27.61 (26 June 2009; Berlin, GER), 27.39 (29 July 2009; Roma, ITA); 4×200 m freestyle relay – 3 August 2006 - 29 March 2007: 7:50.82 (3 August 2006; Budapest, HUN)
Kaitlin Sandeno USA SWI 2000—2004 4×200 m freestyle relay – 18 August 2004 - 3 August 2006: 7:53.42 (18 August 2004; Athina, GRE)
Manuel dos Santos BRA SWI 1960 100 m freestyle – 20 September 1961 - 14 October 1964: 53.6 (20 September 1961; Rio de Janeiro, BRA)
Otto Scheff AUT SWI/WAP 1906—1912 200 m freestyle – 11 November 1908 - 9 September 1910: 2:31.6 (11 November 1908; Wien, AUT)
Oskar Schiele GER SWI 1906—1912 100 m backstroke – 6 April 1912 - 29 April 1912: 1:18.4 (6 April 1912; Bruxelles, BEL); 200 m backstroke – 27 June 1909 - 3 January 1910: 3:04.4 (27 June 1909; Berlin, GER)
Jess Schipper AUS SWI 2004—2012 200 m butterfly – 17 August 2006 - 14 August 2008 and 30 July 2009 - 21 October 2009: 2:05.40 (17 August 2006; Victoria, CAN), 2:03.41 (30 July 2009; Roma, ITA); 4×100 m medley relay – 21 March 2006 - 1 August 2009: 3:56.30 (21 March 2006; Melbourne, AUS), 3:55.74 (31 March 2007; Melbourne, AUS), 3:52.69 (17 August 2008; Beijing, CHN)
Mel Schlanger AUS SWI 2008—2012 4×100 m freestyle relay – 24 July 2014 - 6 August 2016: 3:30.98 (24 July 2014; Glasgow, GBR)
Andreas Schmidt FRG SWI 1976—1984 4×200 m freestyle relay – 23 August 1983 - 30 July 1984: 7:20.40 (23 August 1983; Roma, ITA)
Fred Schmidt USA SWI 1964 100 m butterfly – 20 August 1961 - 24 April 1962: 58.6 (20 August 1961; Los Angeles, USA); 4×100 m medley relay – 12 August 1962 - 24 August 1963 and 16 October 1964 - 31 August 1967: 4:01.6 (12 August 1962; Cuyahoga Falls, USA), 3:58.4 (16 October 1964; Tokyo, JPN)
Ingrid Schmidt GER SWI 1960—1964 4×100 m medley relay – 23 August 1962 - 28 June 1964: 4:40.1 (23 August 1962; Leipzig, GDR) (competed for East Germany)
Allison Schmitt USA SWI 2008—2016 4×100 m medley relay – 4 August 2012 - 30 July 2017: 3:52.05 (4 August 2012; London, GBR)
Petra Schneider GDR SWI 1980 200 m medley – 24 May 1980 - 4 July 1981: 2:13.00 (24 May 1980; Ost-Berlin, GDR); 400 m medley – 30 March 1980 - 13 October 1997: 4:39.96 (30 March 1980; Leningrad, URS), 4:38.44 (27 May 1980; Magdeburg, GDR), 4:36.29 (26 July 1980; Moskva, URS), 4:36.10 (1 August 1982; Guayaquil, ECU)
Roland Schoeman RSA SWI 2000—2012 50 m butterfly – 24 July 2005 - 5 April 2009: 23.01 (24 July 2005; Montréal, CAN), 22.96 (25 July 2005; Montréal, CAN); 4×100 m freestyle relay – 15 August 2004 - 19 August 2006: 3:13.17 (15 August 2004; Athina, GRE)
Don Schollander USA SWI 1964—1968 200 m freestyle – 11 August 1962 - 21 April 1963, 27 July 1963 - 24 May 1964, and 1 August 1964 - 4 September 1971: 2:00.4 tied (11 August 1962; Cuyahoga Falls, USA), 1:58.8 (27 July 1963; Los Angeles, USA), 1:58.5 (17 August 1963; Tokyo, JPN), 1:58.4 (24 August 1963; Osaka, JPN), 1:57.6 (1 August 1964; Palo Alto, USA), 1:57.2 (29 July 1966; Los Angeles, USA), 1:56.2 (19 August 1966; Lincoln, USA), 1:56.0 (29 July 1967; Winnipeg, CAN), 1:55.7 (12 August 1967; Oak Park, USA), 1:54.8 (30 August 1968; Long Beach, USA), 1:54.3 (30 August 1968; Long Beach, USA); 400 m freestyle – 31 July 1964 - 25 August 1966: 4:12.7 (31 July 1964; Palo Alto, USA), 4:12.2 (15 October 1964; Tokyo, JPN), 4:11.6 (18 August 1966; Lincoln, USA); 4×100 m freestyle relay – 4 July 1963 - 18 August 1963, 14 October 1964 - 28 August 1967, and 3 September 1968 - 17 October 1968: 3:39.9 (4 July 1963; Los Altos, USA), 3:33.2 (14 October 1964; Tokyo, JPN), 3:32.5 (3 September 1968; Long Beach, USA); 4×200 m freestyle relay – 10 August 1963 - 24 July 1970: 8:07.6 (10 August 1963; Chicago, USA), 8:03.7 (19 August 1963; Tokyo, JPN), 8:01.8 (28 September 1964; Los Angeles, USA), 7:52.1 (18 October 1964; Tokyo, JPN)
Alexander Schowtka FRG SWI 1984 4×200 m freestyle relay – 23 August 1983 - 30 July 1984: 7:20.40 (23 August 1983; Roma, ITA)
Rich Schroeder USA SWI 1984—1988 4×100 m medley relay – 25 September 1988 - 26 July 1996: 3:36.93 (25 September 1988; Seoul, KOR)
Frances Schroth USA SWI 1920 4×100 m freestyle relay – 29 August 1920 - 20 July 1924: 5:11.6 (29 August 1920; Antwerpen, BEL)
Carolyn Schuler USA SWI 1960 4×100 m medley relay – 2 September 1960 - 23 August 1962: 4:41.1 (2 September 1960; Roma, ITA)
Lary Schulhof USA SWI 1964 4×100 m medley relay – 20 August 1961 - 12 August 1962: 4:03.0 (20 August 1961; Los Angeles, USA)
Sabina Schulze GDR SWI 1988 4×100 m freestyle relay – 19 August 1986 - 28 July 1992: 3:40.57 (19 August 1986; Madrid, ESP)
Emily Seebohm AUS SWI 2008—2016 50 m backstroke – 22 March 2008 - 23 March 2008: 27.95 (22 March 2008; Sydney, AUS): 4×100 m medley relay – 31 March 2007 - 1 August 2009: 3:55.74 (31 March 2007; Melbourne, AUS), 3:52.69 (17 August 2008; Beijing, CHN)
Elke Sehmisch GDR SWI 1972 4×100 m freestyle relay – 11 September 1970 - 9 September 1971 and 30 August 1972 - 30 August 1972: 4:00.8 (11 September 1970; Barcelona, ESP), 3:58.11 tied (30 August 1972; München, FRG)
Jopie Selbach NED SWI 1936 4×100 m freestyle relay – 14 April 1934 - 8 February 1938: 4:33.3 (14 April 1934; Rotterdam, NED), 4:32.8 (24 May 1936; Rotterdam, NED)
Nida Senff NED SWI 1936 100 m backstroke – 8 September 1936 - 1 November 1938: 1:15.7 (8 September 1936; København, DEN), 1:15.4 (10 September 1936; København, DEN), 1:13.6 (25 October 1936; Düsseldorf, GER); 200 m backstroke – 2 February 1937 - 14 February 1937: 2:44.6 (2 February 1937; Amsterdam, NED)
Andriy Serdinov UKR SWI 2000—2008 100 m butterfly – 25 July 2003 - 25 July 2003: 51.76 (25 July 2003; Barcelona, ESP)
Andrey Shabasov RUS SWI 2016 4×100 m medley mixed relay – 16 May 2014 - 19 August 2014: 3:48.74 (16 May 2014; Moskva, RUS)
Shan Ying CHN SWI 1996 4×100 m freestyle relay – 7 September 1994 - 16 September 2000: 3:37.91 (7 September 1994; Roma, ITA)
Eric Shanteau USA SWI 2008—2012 4×100 m medley relay – 2 August 2009 - present: 3:27.28 (2 August 2009; Roma, ITA)
Tim Shaw USA SWI/WAP 1976—1984 200 m freestyle – 23 August 1974 - 18 June 1975: 1:51.66 (23 August 1974; Concord, USA); 400 m freestyle – 22 August 1974 - 18 June 1976: 3:56.96 (22 August 1974; Concord, USA), 3:54.69 (22 August 1974; Concord, USA), 3:53.95 (19 June 1975; Long Beach, USA), 3:53.31 (20 August 1975; Kansas City, USA); 800 m freestyle – 21 June 1975 - 27 February 1976: 8:13.68 (21 June 1975; Long Beach, USA), 8:09.60 (13 July 1975; Mission Viejo, USA); 1500 m freestyle – 25 August 1974 - 25 January 1975 and 21 June 1975 - 27 February 1976: 15:31.75 (25 August 1974; Concord, USA), 15:20.91 (21 June 1975; Long Beach, USA); 4×200 m freestyle relay – 22 August 1975 - 21 July 1976: 7:30.54 (22 August 1975; Kansas City, USA), 7:30.33 (21 July 1976; Montréal, CAN)
Courtney Shealy USA SWI 2000 4×100 m freestyle relay – 16 September 2000 - 29 July 2002: 3:36.61 (16 September 2000; Sydney, AUS)
Don Sheff USA SWI 1952 4×100 m freestyle relay – 19 March 1951 - 6 August 1955: 3:47.9 (19 March 1951; New Haven, USA); 4×200 m freestyle relay – 16 February 1952 - 4 November 1956: 8:29.4 (16 February 1952; New Haven, USA)
Geoff Shipton AUS SWI 1960 4×100 m freestyle relay – 3 May 1958 - 21 July 1959: 3:46.3 (3 May 1958; Brisbane, AUS)
Jon Sieben AUS SWI 1984—1992 200 m butterfly – 3 August 1984 - 29 June 1985: 1:57.04 (3 August 1984; Los Angeles, USA)
Erwin Sietas GER SWI 1928—1936 200 m breaststroke – 16 March 1935 - 4 May 1935: 2:42.4 (16 March 1935; Düsseldorf, GER)
Jani Sievinen FIN SWI 1992—2004 200 m medley – 11 September 1994 - 29 June 2003: 1:58.16 (11 September 1994; Roma, ITA)
Ann Simmons USA SWI 1972 800 m freestyle – 10 September 1971 - 3 December 1971: 8:59.4 (10 September 1971; Minsk, URS)
Márton Sipos HUN SWI 1924 100 m breaststroke – 24 September 1922 - 5 April 1925: 1:16.2 (24 September 1922; Budapest, HUN)
Cornelia Sirch GDR SWI 1988 200 m backstroke – 8 August 1982 - 27 June 1986: 2:09.91 (8 August 1982; Guayaquil, ECU); 4×200 m freestyle relay – 22 August 1983 - 17 August 1986: 8:02.27 (22 August 1983; Roma, ITA)
Peter Sitt GER
FRG
SWI 1988—1992 4×200 m freestyle relay – 19 August 1987 - 21 September 1988: 7:13.10 (19 August 1987; Strasbourg, FRA) (competed for West Germany)
Sarah Sjöström SWE SWI 2008—2016 50 m freestyle – 29 July 2017 - present: 23.67 (29 July 2017; Budapest, HUN); 100 m freestyle – 23 July 2017 - present: 51.71 (23 July 2017; Budapest, HUN); 50 m butterfly – 5 July 2014 - present: 24.43 (5 July 2014; Borås, SWE); 100 m butterfly – 26 July 2009 - 29 July 2012 and 2 August 2015 - present: 56.44 (26 July 2009; Roma, ITA), 56.06 (27 July 2009; Roma, ITA), 55.74 (2 August 2015; Kazan, RUS), 55.64 (3 August 2015; Kazan, RUS), 55.48 (7 August 2016; Rio de Janeiro, BRA)
Bob Skelton USA SWI 1924 200 m breaststroke – 21 March 1924 - 7 April 1924: 2:52.6 (21 March 1924; Milwaukee, USA)
Pyotr Skripchenkov URS SWI 1952 4×100 m medley relay – 13 May 1953 - 14 August 1956: 4:24.8 (13 May 1953; Moskva, URS), 4:21.3 (26 January 1954; Moskva, URS), 4:19.0 (24 February 1954; Stockholm, SWE)
Roman Sludnov RUS SWI 2000—2012 100 m breaststroke – 15 June 2000 - 28 March 2001 and 28 June 2001 - 21 July 2003: 1:00.36 (15 June 2000; Moskva, RUS), 1:00.26 (28 June 2001; Moskva, RUS), 59.97 (29 June 2001; Moskva, RUS), 59.94 (23 July 2001; Fukuoka, JPN)
Bill Smith USA SWI 1948 200 m freestyle – 12 February 1944 - 20 September 1946: 2:06.2 (12 February 1944; Columbus, USA); 400 m freestyle – 13 May 1941 - 12 September 1947: 4:38.5 (13 May 1941; Honolulu, USA); 800 m freestyle – 24 July 1941 - 26 June 1949: 9:50.9 (24 July 1941; Honolulu, USA); 4×200 m freestyle relay – 3 August 1948 - 18 August 1949: 8:46.0 (3 August 1948; London, GBR)
Graham Smith CAN SWI 1976 200 m medley – 4 August 1977 - 9 July 1978 and 24 August 1978 - 6 July 1979: 2:05.31 (4 August 1977; Montréal, CAN), 2:03.56 (24 August 1978; West-Berlin, FRG)
Viktor Solovyov URS SWI 1952 3×100 m medley relay – 13 May 1951 - 25 March 1952: 3:11.1 (13 May 1951; Moskva, URS); 4×100 m medley relay – 26 January 1954 - 14 August 1956: 4:21.3 (26 January 1954; Moskva, URS), 4:19.0 (24 February 1954; Stockholm, SWE)
Alan Somers USA SWI 1960 4×200 m freestyle relay – 23 July 1960 - 6 August 1960: 8:17.0 (23 July 1960; Toledo, USA)
Rebecca Soni USA SWI 2008—2012 100 m breaststroke – 27 July 2009 - 7 August 2009: 1:04.84 (27 July 2009; Roma, ITA); 200 m breaststroke – 15 August 2008 - 30 July 2009 and 1 August 2012 - 1 August 2013: 2:20.22 (15 August 2008; Beijing, CHN), 2:20.00 (1 August 2012; London, GBR), 2:19.59 (2 August 2012; London, GBR); 4×100 m medley relay – 4 August 2012 - 30 July 2017: 3:52.05 (4 August 2012; London, GBR)
Vitaly Sorokin URS SWI 1956—1960 4×200 m freestyle relay – 4 November 1956 - 3 December 1956: 8:24.5 (4 November 1956; Moskva, URS)
Annie Speirs GBR SWI 1912 4×100 m freestyle relay – 15 July 1912 - 29 August 1920: 5:52.8 (15 July 1912; Stockholm, SWE)
Walter Spence CAN SWI 1928—1932 100 m breaststroke – 28 October 1927 - 20 May 1932: 1:14.0 (28 October 1927; New York City, USA)
Joan Spillane USA SWI 1960 4×100 m freestyle relay – 3 September 1960 - 31 July 1964: 4:08.9 (3 September 1960; Roma, ITA)
Mark Spitz USA SWI 1968—1972 100 m freestyle – 23 August 1970 - 21 June 1975: 51.94 (23 August 1970; Los Angeles, USA), 51.47 (5 August 1972; Chicago, USA), 51.22 (3 September 1972; München, FRG); 200 m freestyle – 12 July 1969 - 23 August 1974: 1:54.3 tied (12 July 1969; Santa Clara, USA), 1:54.2 (4 September 1971; Leipzig, GDR), 1:53.5 (10 September 1971; Minsk, URS), 1:52.78 (29 August 1972; München, FRG); 400 m freestyle – 25 June 1967 - 4 July 1967, 7 July 1967 - 28 August 1967, and 23 June 1968 - 1 August 1968: 4:10.6 (25 June 1967; Haywood, USA), 4:08.8 (7 July 1967; Santa Clara, USA), 4:07.7 (23 June 1968; Haywood, USA); 100 m butterfly – 31 July 1967 - 27 August 1977: 56.3 (31 July 1967; Winnipeg, CAN), 55.7 (7 October 1967; West-Berlin, FRG), 55.6 (30 August 1968; Long Beach, USA), 55.0 (25 August 1971; Houston, USA), 54.72 (4 August 1972; Chicago, USA), 54.56 (4 August 1972; Chicago, USA), 54.27 (31 August 1972; München, FRG); 200 m butterfly – 26 July 1967 - 30 August 1967, 8 October 1967 - 22 August 1970, 27 August 1971 - 31 August 1971, and 2 August 1972 - 3 June 1976: 2:06.4 (26 July 1967; Winnipeg, CAN), 2:05.7 (8 October 1967; West-Berlin, FRG), 2:05.4 (22 August 1970; Los Angeles, USA), 2:03.9 (27 August 1971; Houston, USA), 2:01.87 (2 August 1972; Chicago, USA), 2:01.53 (2 August 1972; Chicago, USA), 2:00.70 (28 August 1972; München, FRG); 4×100 m freestyle relay – 17 October 1968 - 23 August 1970 and 28 August 1972 - 1 September 1974: 3:31.7 (17 October 1968; Ciudad de México, MEX), 3:26.42 (28 August 1972; München, FRG); 4×200 m freestyle relay – 10 September 1971 - 7 September 1973: 7:43.3 (10 September 1971; Minsk, URS), 7:35.78 (31 August 1972; München, FRG); 4×100 m medley relay – 3 September 1971 - 22 July 1976: 3:50.4 (3 September 1971; Leipzig, GDR), 3:48.16 (4 September 1972; München, FRG)
Gemma Spofforth GBR SWI 2008—2012 100 m backstroke – 28 July 2009 - 25 July 2017: 58.12 (28 July 2009; Roma, ITA)
Christian Sprenger AUS SWI 2008—2012 200 m breaststroke – 30 July 2009 - 1 August 2012: 2:07.31 (30 July 2009; Roma, ITA)
Allen Stack USA SWI 1948—1952 100 m backstroke – 23 June 1948 - 26 December 1952: 1:04.0 (23 June 1948; New Haven, USA), 1:03.6 (4 February 1949; New Haven, USA); 200 m backstroke – 4 May 1949 - 26 June 1953: 2:18.5 (4 May 1949; New Haven, USA)
Mike Stamm USA SWI 1972 200 m backstroke – 20 August 1970 - 11 September 1970: 2:06.3 (20 August 1970; Los Angeles, USA); 4×100 m medley relay – 4 September 1972 - 22 July 1976: 3:48.16 (4 September 1972; München, FRG)
Irene Steer GBR SWI 1912 4×100 m freestyle relay – 15 July 1912 - 29 August 1920: 5:52.8 (15 July 1912; Stockholm, SWE)
Britta Steffen GER SWI 2000—2012 50 m freestyle – 2 August 2009 - 29 July 2017: 23.73 (2 August 2009; Roma, ITA); 100 m freestyle – 2 August 2006 - 27 March 2008 and 25 June 2009 - 2 July 2016: 53.30 (2 August 2006; Budapest, HUN), 52.85 (25 June 2009; Berlin, GER), 52.56 (27 June 2009; Berlin, GER), 52.22 (26 July 2009; Roma, ITA), 52.07 (31 July 2009; Roma, ITA); 4×100 m freestyle relay – 31 July 2006 - 18 March 2008: 3:35.22 (31 July 2006; Budapest, HUN); 4×200 m freestyle relay – 3 August 2006 - 29 March 2007: 7:50.82 (3 August 2006; Budapest, HUN)
Manuela Stellmach GDR
GER
SWI 1988—1992 4×100 m freestyle relay – 19 August 1986 - 28 July 1992: 3:40.57 (19 August 1986; Madrid, ESP) (competed for East Germany); 4×200 m freestyle relay – 17 August 1986 - 18 August 2004: 7:59.33 (17 August 1986; Madrid, ESP) (competed for East Germany), 7:55.47 (18 August 1987; Strasbourg, FRA) (competed for East Germany)
Jill Sterkel USA SWI 1976—1988 4×100 m freestyle relay – 25 July 1976 - 27 July 1980: 3:44.82 (25 July 1976; Montréal, CAN), 3:43.43 (26 August 1978; West-Berlin, FRG)
Mary Beth Stewart CAN SWI 1960—1964 100 m butterfly – 12 August 1961 - 12 August 1961 and 28 July 1962 - 16 August 1963: 1:08.8 (12 August 1961; Philadelphia, USA), 1:07.3 (28 July 1962; Vancouver, CAN)
Mel Stewart USA SWI 1988—1992 200 m butterfly – 12 January 1991 - 14 June 1995: 1:55.69 (12 January 1991; Perth, AUS)
Terri Lee Stickles USA SWI 1964 4×100 m freestyle relay – 31 July 1964 - 15 October 1964: 4:08.5 (31 July 1964; Palo Alto, USA), 4:07.6 (28 September 1964; Los Angeles, USA)
Antje Stille GDR SWI 1976 200 m backstroke – 29 February 1976 - 4 June 1976: 2:14.41 (29 February 1976; Ost-Berlin, GDR), 2:13.50 (13 March 1976; Tallinn, URS)
Shirley Stobs USA SWI 1960 4×100 m freestyle relay – 3 September 1960 - 31 July 1964: 4:08.9 (3 September 1960; Roma, ITA)
Sharon Stouder USA SWI 1964 100 m butterfly – 16 October 1964 - 14 August 1965: 1:04.7 (16 October 1964; Tokyo, JPN); 200 m butterfly – 12 July 1964 - 15 August 1965: 2:28.1 (12 July 1964; Los Angeles, USA), 2:26.4 (2 August 1964; Palo Alto, USA); 4×100 m freestyle relay – 15 October 1964 - 19 August 1967: 4:03.8 (15 October 1964; Tokyo, JPN); 4×100 m medley relay – 18 October 1964 - 30 July 1967: 4:33.9 (18 October 1964; Tokyo, JPN)
Rod Strachan USA SWI 1976 400 m medley – 25 July 1976 - 4 August 1978: 4:23.68 (25 July 1976; Montréal, CAN)
Astrid Strauß GDR SWI 1988 4×200 m freestyle relay – 22 August 1983 - 18 August 2004: 8:02.27 (22 August 1983; Roma, ITA), 7:59.33 (17 August 1986; Madrid, ESP), 7:55.47 (18 August 1987; Strasbourg, FRA)
Vladimir Struzhanov URS SWI 1956 400 m medley – 2 October 1954 - 10 March 1957, 17 March 1957 - 27 August 1957, and 20 October 1957 - 6 June 1959: 5:15.4 (2 October 1954; Minsk, URS), 5:08.3 (17 March 1957; Moskau, URS), 5:12.9 (20 October 1957; Moskva, URS); 4×200 m freestyle relay – 4 November 1956 - 3 December 1956: 8:24.5 (4 November 1956; Moskva, URS); 4×100 m medley relay – 14 August 1956 - 7 September 1957: 4:14.8 (14 August 1956; Moskva, URS)
Shigeo Sugiura JPN SWI 1936 4×200 m freestyle relay – 11 August 1936 - 3 August 1948: 8:51.5 (11 August 1936; Berlin, GER)
Eamon Sullivan AUS SWI 2004—2012 50 m freestyle – 17 February 2008 - 23 March 2008 and 27 March 2008 - 26 April 2009: 21.56 (17 February 2008; Sydney, AUS), 21.41 (27 March 2008; Sydney, AUS), 21.28 (28 March 2008; Sydney, AUS); 100 m freestyle – 11 August 2008 - 30 July 2009: 47.24 (11 August 2008; Beijing, CHN), 47.05 (13 August 2008; Beijing, CHN)
Sun Yang CHN SWI 2008—2016 1500 m freestyle – 31 July 2011 - present: 14:34.14 (31 July 2011; Shanghai, CHN), 14:31.02 (4 August 2012; London, GBR)
Hiroshi Suzuki JPN SWI 1952—1956 4×100 m freestyle relay – 6 August 1955 - 3 May 1958: 3:46.8 (6 August 1955; Tokyo, JPN)
Elvi Svendsen DEN SWI 1936—1948 4×100 m freestyle relay – 8 February 1938 - 7 August 1938: 4:29.7 (8 February 1938; København, DEN)
Vítězslav Svozil TCH SWI 1960 100 m breaststroke – 1 May 1957: 1:12.7 (1 May 1957; Piešťany, TCH)
Oleksandr Sydorenko URS SWI 1980 200 m medley – 9 July 1978 - 2 August 1978: 2:05.24 (9 July 1978; Moskva, URS)
László Szabados HUN SWI 1932 4×200 m freestyle relay – 27 August 1931 - 9 August 1932: 9:34.0 (27 August 1931; Paris, FRA)
András Székely HUN SWI 1932 4×200 m freestyle relay – 27 August 1931 - 9 August 1932: 9:34.0 (27 August 1931; Paris, FRA)
Éva Székely HUN SWI 1948—1956 100 m breaststroke – 9 May 1951 - 20 July 1958: 1:16.9 (9 May 1951; Moskva, URS); 400 m medley – 10 April 1953 - 2 December 1956: 5:50.4 (10 April 1953; Budapest, HUN), 5:40.8 (13 July 1955; Budapest, HUN); 4×100 m freestyle relay – 27 April 1952 - 1 August 1952: 4:27.2 (27 April 1952; Moskva, URS); 3×100 m medley relay – 14 October 1950 - 2 December 1950: 3:41.2 (14 October 1950; Budapest, HUN); 4×100 m medley relay – 24 July 1953 - 3 August 1954 and 3 September 1955 - 19 November 1956: 5:10.8 (24 July 1953; Budapest, HUN), 5:09.2 (10 August 1953; Bucharest, ROU), 4:57.8 (3 September 1955; Budapest, HUN)
Ripszima Székely HUN SWI 1956 4×100 m medley relay – 3 September 1955 - 19 November 1956: 4:57.8 (3 September 1955; Budapest, HUN)
Peter Szmidt CAN SWI 1984 400 m freestyle – 15 July 1980 - 12 March 1982: 3:50.49 (15 July 1980; Etobicoke, CAN)
Katalin Szőke HUN SWI 1952—1956 4×100 m freestyle relay – 27 April 1952 - 20 October 1956: 4:27.2 (27 April 1952; Moskva, URS), 4:24.4 (1 August 1952; Helsinki, FIN); 4×100 m medley relay – 3 August 1954 - 16 August 1954 and 3 September 1955 - 19 November 1956: 5:07.8 (3 August 1954; Budapest, HUN), 4:57.8 (3 September 1955; Budapest, HUN)
Masaharu Taguchi JPN SWI 1936 4×200 m freestyle relay – 11 August 1936 - 3 August 1948: 8:51.5 (11 August 1936; Berlin, GER)
Nobutaka Taguchi JPN SWI 1968—1976 100 m breaststroke – 29 August 1972 - 4 September 1973: 1:05.13 (29 August 1972; München, FRG), 1:04.94 (30 August 1972; München, FRG)
Mamoru Tanaka (DNS) JPN SWI 1952 200 m breaststroke – 17 September 1954 - 5 August 1955: 2:35.2 (17 September 1954; Tokyo, JPN)
Satoko Tanaka JPN SWI 1960—1964 200 m backstroke – 12 July 1959 - 15 July 1960 and 23 July 1960 - 28 September 1964: 2:37.1 (12 July 1959; Tokyo, JPN), 2:34.8 (2 April 1960; Tokyo, JPN), 2:33.3 (23 July 1960; Tokyo, JPN), 2:33.2 (30 July 1961; Tokyo, JPN), 2:32.1 (3 June 1962; Beppu, JPN), 2:31.6 (29 July 1962; Osaka, JPN), 2:29.6 (10 February 1963; Sydney, AUS), 2:28.9 (18 February 1963; Perth, AUS), 2:28.5 (21 February 1963; Perth, AUS), 2:28.2 (4 August 1963; Tokyo, JPN)
Liam Tancock GBR SWI 2008—2012 50 m backstroke – 2 April 2008 - 5 December 2008 and 1 August 2009 - 4 August 2018: 24.47 (2 April 2008; Sheffield, GBR), 24.08 (1 August 2009; Roma, ITA), 24.04 (2 August 2009; Roma, ITA)
Atsushi Tani JPN SWI 1956 4×100 m freestyle relay – 6 August 1955 - 3 May 1958: 3:46.8 (6 August 1955; Tokyo, JPN)
Elaine Tanner CAN SWI 1968 100 m backstroke – 27 July 1967 - 30 January 1968: 1:07.3 (27 July 1967; Winnipeg, CAN), 1:07.1 (30 July 1967; Winnipeg, CAN); 200 m backstroke – 26 July 1967 - 6 January 1968: 2:24.4 (26 July 1967; Winnipeg, CAN)
Jean Taris FRA SWI 1928—1936 400 m freestyle – 16 April 1931 - 14 August 1933: 4:47.0 (16 April 1931; Paris, FRA); 800 m freestyle – 30 May 1930 - 30 August 1931 and 21 June 1932 - 25 June 1933: 10:19.6 (30 May 1930; Paris, FRA), 10:17.2 (9 June 1931; Cannes, FRA), 10:15.6 (21 June 1932; Cannes, FRA); 3×100 m medley relay – 8 August 1946 - 13 May 1951: 3:16.9 (8 August 1946; Toulouse, FRA), 3:12.3 (16 September 1946; Marseille, FRA)
Ulrike Tauber GDR SWI 1976—1980 200 m medley – 18 August 1974 - 5 June 1976 and 10 July 1977 - 2 August 1978: 2:18.97 (18 August 1974; Wien, AUT), 2:18.83 (10 June 1975; Wittenberg, GDR), 2:18.30 (12 March 1976; Tallinn, URS), 2:16.96 (10 July 1977; Leipzig, GDR), 2:15.95 (20 August 1977; Jönköping, SWE), 2:15.85 (28 August 1977; Ost-Berlin, GDR); 400 m medley – 21 August 1974 - 1 June 1976 and 24 July 1976 - 23 August 1978: 4:52.42 (21 August 1974; Wien, AUT), 4:52.20 (7 June 1975; Wittenberg, GDR), 4:42.77 (24 July 1976; Montréal, CAN)
Veniamin Tayanovich EUN SWI 1992 4×200 m freestyle relay – 27 July 1992 - 13 September 1998: 7:11.95 (27 July 1992; Barcelona, ESP)
Henry Taylor GBR SWI 1906—1920 400 m freestyle – 16 July 1908 - 21 September 1911: 5:36.8 (16 July 1908; London, GBR); 800 m freestyle – 21 July 1906 - 10 January 1920: 11:25.4 (21 July 1906; Runcorn, GBR); 1500 m freestyle – 25 July 1908 - 10 July 1912: 22:48.4 (25 July 1908; London, GBR); 4×200 m freestyle relay – 24 July 1908 - 12 July 1912: 10:55.6 (24 July 1908; London, GBR)
Judit Temes HUN SWI 1948—1956 4×100 m freestyle relay – 1 August 1952 - 20 October 1956: 4:24.4 (1 August 1952; Helsinki, FIN); 3×100 m medley relay – 14 October 1950 - 2 December 1950: 3:41.2 (14 October 1950; Budapest, HUN); 4×100 m medley relay – 3 August 1954 - 16 August 1954: 5:07.8 (3 August 1954; Budapest, HUN)
Hannie Termeulen NED SWI 1948—1952 3×100 m medley relay – 14 December 1946 - 14 October 1950: 3:46.3 (14 December 1946; Amsterdam, NED), 3:42.4 (28 April 1947; Arnhem, NED)
Erica Terpstra NED NOC*NSF/SWI 1960—2010 4×100 m medley relay – 28 June 1964 - 4 July 1964: 4:39.1 (28 June 1964; Groningen, NED)
David Theile AUS SWI 1956—1960 100 m backstroke – 6 December 1956 - 15 February 1958: 1:02.2 (6 December 1956; Melbourne, AUS)
Nick Thoman USA SWI 2012 4×100 m freestyle relay – 19 March 1951 - 6 August 1955: 3:47.9 (19 March 1951; New Haven, USA); 4×200 m freestyle relay – 16 February 1952 - 4 November 1956: 8:29.4 (16 February 1952; New Haven, USA)
Petria Thomas AUS SWI 1996—2004 4×100 m freestyle relay – 14 August 2004 - 31 July 2006: 3:35.94 (14 August 2004; Athina, GRE); 4×100 m medley relay – 21 August 2004 - 21 March 2006: 3:57.32 (21 August 2004; Athina, GRE)
Jenny Thompson USA SWI 1992—2004 100 m freestyle – 1 March 1992 - 5 September 1994: 54.48 (1 March 1992; Indianapolis, USA); 100 m butterfly – 23 August 1999 - 27 May 2000: 57.88 (23 August 1999; Sydney, AUS); 4×100 m freestyle relay – 28 July 1992 - 7 September 1994 and 16 September 2000 - 29 July 2002: 3:39.46 (28 July 1992; Barcelona, ESP), 3:36.61 (16 September 2000; Sydney, AUS); 4×100 m medley relay – 30 July 1992 - 10 September 1994 and 23 September 2000 - 21 August 2004: 4:02.54 (30 July 1992; Barcelona, ESP), 3:58.30 (23 September 2000; Sydney, AUS)
Ian Thorpe AUS AUS/SWI 2000—2004 200 m freestyle – 23 August 1999 - 17 September 2000 and 27 March 2001 - 27 March 2007: 1:46.34 (23 August 1999; Sydney, AUS), 1:46.00 (24 August 1999; Sydney, AUS), 1:45.69 (14 May 2000; Sydney, AUS), 1:45.51 (15 May 2000; Sydney, AUS), 1:44.69 (27 March 2001; Hobart, AUS), 1:44.06 (25 July 2001; Fukuoka, JPN); 400 m freestyle – 22 August 1999 - 26 July 2009: 3:41.83 (22 August 1999; Sydney, AUS), 3:41.33 (13 May 2000; Sydney, AUS), 3:40.59 (16 September 2000; Sydney, AUS), 3:40.17 (22 July 2001; Fukuoka, JPN), 3:40.08 (30 July 2002; Manchester, GBR); 800 m freestyle – 26 March 2001 - 27 July 2005: 7:41.59 (26 March 2001; Hobart, AUS), 7:39.16 (24 July 2001; Fukuoka, JPN); 4×100 m freestyle relay – 16 September 2000 - 15 August 2004: 3:13.67 (16 September 2000; Sydney, AUS); 4×200 m freestyle relay – 13 September 1998 - 30 March 2007: 7:11.86 (13 September 1998; Kuala Lumpur, MAS), 7:08.79 (25 August 1999; Sydney, AUS), 7:07.05 (19 September 2000; Sydney, AUS), 7:04.66 (27 July 2001; Fukuoka, JPN)
Brianna Throssell AUS SWI 2014—2016 4×200 m freestyle relay – 25 July 2019 - present: 7:41.50 (25 July 2019; Gwangju, KOR)
Petra Thümer GDR SWI 1976 400 m freestyle – 20 July 1976 - 2 August 1978: 4:09.89 (20 July 1976; Montréal, CAN), 4:08.91 (17 August 1977; Jönköping, SWE); 800 m freestyle – 4 June 1976 - 21 June 1976 and 25 July 1976 - 6 January 1978: 8:40.68 (4 June 1976; Ost-Berlin, GDR), 8:37.14 (25 July 1976; Montréal, CAN), 8:35.04 (9 July 1977; Leipzig, GDR)
Ans Timmermans NED SWI 1936 4×100 m freestyle relay – 14 April 1934 - 24 May 1936: 4:33.3 (14 April 1934; Rotterdam, NED)
Günter Tittes GER SWI 1960 100 m breaststroke – 5 July 1961 - 28 July 1961: 1:10.8 (5 July 1961; Ost-Berlin, GDR) (competed for East Germany)
Kazuo Tomita JPN SWI 1956—1960 4×100 m medley relay – 7 September 1957 - 28 May 1958: 4:17.8 (7 September 1957; Tokyo, JPN)
Dara Torres USA SWI 1984—2008 4×100 m freestyle relay – 28 July 1992 - 7 September 1994 and 16 September 2000 - 29 July 2002: 3:39.46 (28 July 1992; Barcelona, ESP), 3:36.61 (16 September 2000; Sydney, AUS); 4×100 m medley relay – 23 September 2000 - 21 August 2004: 3:58.30 (23 September 2000; Sydney, AUS)
Darian Townsend RSA SWI 2004—2012 4×100 m freestyle relay – 15 August 2004 - 19 August 2006: 3:13.17 (15 August 2004; Athina, GRE)
Ed Townsend USA SWI 1964 4×100 m freestyle relay – 4 July 1963 - 14 October 1964: 3:39.9 (4 July 1963; Los Altos, USA), 3:36.1 (18 August 1963; Tokyo, JPN); 4×200 m freestyle relay – 10 August 1963 - 28 September 1964: 8:07.6 (10 August 1963; Chicago, USA), 8:03.7 (19 August 1963; Tokyo, JPN)
Hisakichi Toyoda JPN SWI 1932 4×200 m freestyle relay – 9 August 1932 - 19 August 1935: 8:58.4 (9 August 1932; Los Angeles, USA)
Birgit Treiber GDR SWI 1976—1980 200 m backstroke – 6 June 1975 - 29 February 1976 and 4 June 1976 - 28 August 1978: 2:16.10 (6 June 1975; Wittenberg, GDR), 2:15.46 (27 July 1975; Cali, COL), 2:12.47 (4 June 1976; Ost-Berlin, GDR); 400 m medley – 1 June 1976 - 24 July 1976: 4:48.79 (1 June 1976; Ost-Berlin, GDR)
Mike Troy USA SWI 1960 200 m butterfly – 11 July 1959 - 19 August 1961: 2:19.0 (11 July 1959; Los Altos, USA), 2:16.4 (11 July 1959; Los Altos, USA), 2:15.0 (10 July 1960; Evansville, USA), 2:13.4 (23 July 1960; Toledo, USA), 2:13.2 (4 August 1960; Detroit, USA), 2:12.8 (2 September 1960; Roma, ITA); 4×200 m freestyle relay – 23 July 1960 - 6 August 1960 and 1 September 1960 - 21 April 1963: 8:17.0 (23 July 1960; Toledo, USA), 8:10.2 (1 September 1960; Roma, ITA); 4×100 m medley relay – 24 July 1960 - 27 August 1960: 4:09.2 (24 July 1960; Toledo, USA)
Yoshiyuki Tsuruta JPN SWI 1928—1980 200 m breaststroke – 27 July 1929 - 2 April 1931: 2:45.0 (27 July 1929; Kyoto, JPN)
György Tumpek HUN SWI 1956 100 m butterfly – 31 May 1953 - 2 April 1955 and 26 May 1957 - 16 June 1957: 1:04.3 (31 May 1953; Budapest, HUN), 1:03.7 (8 May 1954; Budapest, HUN), 1:02.3 (1 August 1954; Budapest, HUN), 1:02.1 (20 November 1954; Székesfehérvár, HUN), 1:02.0 (21 December 1954; Budapest, HUN), 1:03.4 (26 May 1957; Budapest, HUN)
Willy den Turk (DNS) NED SWI 1928 100 m backstroke – 10 July 1927 - 11 August 1928: 1:22.0 (10 July 1927; Rotterdam, NED)
Jenny Turrall AUS SWI 1976 800 m freestyle – 5 January 1974 - 25 August 1974 and 31 March 1975 - 4 June 1976: 8:50.1 (5 January 1974; Sydney, AUS), 8:43.48 (31 March 1975; London, GBR); 1500 m freestyle – 9 December 1973 - 21 August 1977: 16:49.9 (9 December 1973; Sydney, AUS), 16:48.2 (9 January 1974; Sydney, AUS), 16:43.4 (13 July 1974; Sydney, AUS), 16:39.28 (3 August 1974; Los Angeles, USA), 16:33.94 (25 August 1974; Concord, USA)
Fred Tyler USA SWI 1972 4×200 m freestyle relay – 10 September 1971 - 7 September 1973: 7:43.3 (10 September 1971; Minsk, URS), 7:35.78 (31 August 1972; München, FRG)
Lutz Unger GDR SWI 1972 4×100 m medley relay – 8 September 1970 - 3 September 1971: 3:54.4 (8 September 1970; Barcelona, ESP)
Wiltrud Urselmann GER SWI 1960—1964 100 m breaststroke – 12 March 1960 - 14 July 1960: 1:19.1 (12 March 1960; Zürich, SUI) (competed for West Germany); 200 m breaststroke – 6 June 1960 - 27 August 1960: 2:50.2 (6 June 1960; Aachen, FRG) (competed for West Germany)
Darya Ustinova RUS SWI 2014—2016 4×100 m medley mixed relay – 16 May 2014 - 19 August 2014: 3:48.74 (16 May 2014; Moskva, RUS)
Georges Vallerey, Jr. FRA SWI 1948 3×100 m medley relay – 8 August 1946 - 13 May 1951: 3:16.9 (8 August 1946; Toulouse, FRA), 3:12.3 (16 September 1946; Marseille, FRA)
Gisèle Vallerey FRA SWI 1948 100 m breaststroke – 23 April 1950 - 9 May 1951: 1:17.4 (23 April 1950; Casablanca, MAR)
Amy Van Dyken USA SWI 1996—2000 4×100 m freestyle relay – 16 September 2000 - 29 July 2002: 3:36.61 (16 September 2000; Sydney, AUS)
Al Vande Weghe USA SWI 1936 100 m backstroke – 23 July 1934 - 20 October 1935: 1:07.4 (23 July 1934; Honolulu, USA); 200 m backstroke – 30 August 1934 - 11 April 1935: 2:27.8 (30 August 1934; Honolulu, USA)
Peter Vanderkaay USA SWI 2004—2012 4×200 m freestyle relay – 30 March 2007 - 31 July 2009: 7:03.24 (30 March 2007; Melbourne, AUS), 6:58.56 (13 August 2008; Beijing, CHN)
Svetlana Varganova URS SWI 1980 200 m breaststroke – 30 March 1979 - 6 April 1979: 2:31.09 (30 March 1979; Minsk, URS)
Jesse Vassallo USA SWI 1984 200 m medley – 6 July 1979 - 1 August 1980: 2:03.29 (6 July 1979; San Juan, PUR); 400 m medley – 4 August 1978 - 8 August 1982: 4:23.39 (4 August 1978; The Woodlands, USA), 4:20.05 (28 August 1978; West-Berlin, FRG)
Marleen Veldhuis NED SWI 2004—2012 50 m freestyle – 24 March 2008 - 29 March 2008 and 19 April 2009 - 2 August 2009: 24.09 (24 March 2008; Eindhoven, NED), 23.96 (19 April 2009; Amsterdam, NED); 50 m butterfly – 19 April 2009 - 31 July 2009: 25.33 (19 April 2009; Amsterdam, NED), 25.28 (31 July 2009; Roma, ITA); 4×100 m freestyle relay – 18 March 2008 - 24 July 2014: 3:33.62 (18 March 2008; Eindhoven, NED), 3:31.72 (26 July 2009; Roma, ITA)
Ria van Velsen NED SWI 1960—1964 100 m backstroke – 20 July 1958 - 23 July 1958, 26 July 1959 - 6 September 1959, and 12 June 1960 - 17 July 1960: 1:12.3 (20 July 1958; Nijmegen, NED), 1:11.7 (26 July 1959; Waalwijk, NED), 1:11.0 (12 June 1960; Leipzig, GDR), 1:10.9 (10 July 1960; Maastricht, NED); 4×100 m medley relay – 26 July 1959 - 6 September 1959 and 28 June 1964 - 4 July 1964: 4:51.5 (26 July 1959; Waalwijk, NED), 4:39.1 (28 June 1964; Groningen, NED)
Joe Verdeur USA SWI 1948 200 m breaststroke – 5 April 1946 - 9 June 1951: 2:35.6 (5 April 1946; Bainbridge, USA), 2:35.0 (15 February 1947; New Haven, USA), 2:32.0 (14 February 1948; New Haven, USA), 2:30.5 (2 April 1948; New Haven, USA), 2:30.0 (28 June 1948; New Haven, USA), 2:28.3 (31 March 1950; New Haven, USA)
Zoltán Verrasztó HUN SWI 1972—1980 400 m medley – 2 April 1976 - 25 July 1976: 4:26.00 (2 April 1976; Long Beach, USA)
Lynn Vidali USA SWI 1968—1972 200 m medley – 22 July 1966 - 21 August 1966: 2:29.0 (22 July 1966; Los Altos, USA); 4×100 m medley relay – 18 August 1972 - 3 September 1972: 4:25.34 (18 August 1972; Knoxville, USA)
Nel van Vliet NED SWI 1948 100 m breaststroke – 29 July 1946 - 23 April 1950: 1:19.4 (29 July 1946; Aalst, BEL), 1:19.0 (1 August 1946; Den Haag, NED), 1:18.2 (28 April 1947; Arnhem, NED); 200 m breaststroke – 17 August 1946 - 21 October 1950: 2:52.6 (17 August 1946; Bilthoven, NED), 2:51.9 (29 March 1947; Amsterdam, NED), 2:49.2 (20 July 1947; Hilversum, NED); 3×100 m medley relay – 14 December 1946 - 14 October 1950: 3:46.3 (14 December 1946; Amsterdam, NED), 3:42.4 (28 April 1947; Arnhem, NED)
Matt Vogel USA SWI 1976 4×100 m medley relay – 22 July 1976 - 7 August 1982: 3:42.22 (22 July 1976; Montréal, CAN)
Renate Vogel GDR SWI 1972 100 m breaststroke – 22 August 1974 - 23 August 1974 and 1 September 1974 - 2 June 1976: 1:12.91 (22 August 1974; Wien, AUT), 1:12.28 (1 September 1974; Concord, USA); 4×100 m medley relay – 4 September 1973 - 5 June 1976: 4:16.84 (4 September 1973; Beograd, YUG), 4:13.78 (24 August 1974; Wien, AUT)
Sandra Völker GER SWI 1992—2004 50 m backstroke – 12 June 1999 - 8 April 2000 and 17 June 2000 - 25 May 2005: 28.90 (12 June 1999; Monte Carlo, MON), 28.78 (12 June 1999; Monte Carlo, MON), 28.71 (1 August 1999; İstanbul, TUR), 28.25 (17 June 2000; Berlin, GER); 4×100 m freestyle relay – 29 July 2002 - 14 August 2004: 3:36.00 (29 July 2002; Berlin, GER)
Dana Vollmer USA SWI 2004—2016 100 m butterfly – 29 July 2012 - 2 August 2015: 55.98 (29 July 2012; London, GBR); 4×200 m freestyle relay – 18 August 2004 - 3 August 2006 and 29 March 2007 - 14 August 2008: 7:53.42 (18 August 2004; Athina, GRE), 7:50.09 (29 March 2007; Melbourne, AUS); 4×100 m medley relay – 4 August 2012 - 30 July 2017: 3:52.05 (4 August 2012; London, GBR)
Chris von Saltza USA SWI 1960 400 m freestyle – 5 August 1960 - 11 July 1964: 4:44.5 (5 August 1960; Detroit, USA); 200 m backstroke – 1 August 1958 - 12 July 1959: 2:37.4 (1 August 1958; Topeka, USA); 4×100 m freestyle relay – 3 September 1960 - 31 July 1964: 4:08.9 (3 September 1960; Roma, ITA); 4×100 m medley relay – 6 September 1959 - 23 August 1962: 4:44.6 (6 September 1959; Chicago, USA), 4:41.1 (2 September 1960; Roma, ITA)
Atie Voorbij NED SWI 1960 100 m butterfly – 14 July 1955 - 7 July 1956 and 12 November 1956 - 28 June 1958: 1:13.7 (14 July 1955; Naarden, NED), 1:13.2 (28 August 1955; Al-Jaza'ir, ALG), 1:13.1 (21 September 1955; Vlaardingen, NED), 1:11.9 (5 February 1956; Velsen, NED), 1:10.5 (12 November 1956; Hilversum, NED), 1:10.5 (4 August 1957; Rhenen, NED); 4×100 m medley relay – 17 July 1955 - 3 September 1955, 19 November 1956 - 8 December 1956, 18 May 1957 - 25 July 1958, and 5 September 1958 - 26 July 1959: 5:00.1 (17 July 1955; Paris, FRA), 4:54.3 (19 November 1956; Hilversum, NED), 4:57.0 (18 May 1957; Blackpool, GBR), 4:52.9 (5 September 1958; Budapest, HUN)
Jopie Waalberg NED SWI 1936 200 m breaststroke – 11 May 1937 - 8 November 1939: 3:00.2 (11 May 1937; Amsterdam, NED), 2:58.0 (27 June 1937; Zaandijk, NED), 2:56.9 (2 October 1937; Ghent, BEL)
Tini Wagner NED SWI 1936 4×100 m freestyle relay – 24 May 1936 - 8 February 1938: 4:32.8 (24 May 1936; Rotterdam, NED)
Helen Wainwright USA DIV/SWI 1920—1924 1500 m freestyle – 19 August 1922 - 31 December 1925: 25:06.6 (19 August 1922; New York City, USA)
Neil Walker USA SWI 2000—2004 4×100 m freestyle relay – 19 August 2006 - 10 August 2008: 3:12.46 (19 August 2006; Victoria, CAN)
Chris Walker-Hebborn GBR SWI 2012—2016 4×100 m medley mixed relay – 19 August 2014 - 26 July 2017: 3:44.02 (19 August 2014; Berlin, GER), 3:41.71 (5 August 2015; Kazan, RUS)
Mike Wall USA SWI 1964—1968 4×200 m freestyle relay – 10 August 1963 - 19 August 1963 and 28 September 1964 - 18 October 1964: 8:07.6 (10 August 1963; Chicago, USA), 8:01.8 (28 September 1964; Los Angeles, USA)
Ken Walsh USA SWI 1968 100 m freestyle – 27 July 1967 - 19 October 1968: 52.6 (27 July 1967; Winnipeg, CAN); 4×100 m freestyle relay – 28 August 1967 - 23 August 1970: 3:32.6 (28 August 1967; Tokyo, JPN), 3:32.5 (3 September 1968; Long Beach, USA), 3:31.7 (17 October 1968; Ciudad de México, MEX); 4×100 m medley relay – 31 August 1967 - 7 November 1967 and 26 October 1968 - 8 September 1970: 3:57.2 (31 August 1967; Tokyo, JPN), 3:54.9 (26 October 1968; Ciudad de México, MEX)
Dave Walters USA SWI 2008 4×200 m freestyle relay – 31 July 2009 - : 6:58.55 (31 July 2009; Roma, ITA); 4×100 m medley relay – 2 August 2009 - present: 3:27.28 (2 August 2009; Roma, ITA)
András Wanié HUN SWI 1928—1932 4×200 m freestyle relay – 27 August 1931 - 9 August 1932: 9:34.0 (27 August 1931; Paris, FRA)
Jack Wardrop GBR SWI 1948—1956 200 m freestyle – 4 March 1955 - 8 March 1957: 2:03.4 (4 March 1955; Columbus, USA)
Ippei Watanabe JPN SWI 2014—2016 200 m breaststroke – 29 January 2017 - 26 July 2019: 2:06.67 (29 January 2017; Tokyo, JPN)
Pokey Watson USA SWI 1964—1968 200 m freestyle – 19 August 1966 - 19 August 1967: 2:10.5 (19 August 1966; Lincoln, USA); 4×100 m freestyle relay – 31 July 1964 - 15 October 1964 - 19 August 1967 and 19 August 1967 - 11 September 1970: 4:08.5 (31 July 1964; Palo Alto, USA), 4:03.8 (15 October 1964; Tokyo, JPN), 4:03.5 (19 August 1967; Philadelphia, USA), 4:01.1 (6 July 1968; Santa Clara, USA); 4×100 m medley relay – 4 July 1964 - 28 September 1964: 4:38.1 (4 July 1964; Los Altos, USA)
Garrett Weber-Gale USA SWI 2008 4×100 m freestyle relay – 11 August 2008 - 26 September 2013: 3:08.24 (11 August 2008; Beijing, CHN)
Gudrun Wegner GDR SWI 1972 400 m medley – 6 September 1973 - 21 August 1974: 4:57.51 (6 September 1973; Beograd, YUG)
Mariechen Wehselau USA SWI 1924 100 m freestyle – 19 July 1924 - 28 January 1926: 1:12.2 (19 July 1924; Paris, FRA); 4×100 m freestyle relay – 20 July 1924 - 9 August 1928: 4:58.8 (20 July 1924; Paris, FRA)
Johnny Weissmuller USA SWI/WAP 1924—1928 100 m freestyle – 19 July 1922 - 2 March 1934: 58.6 (19 July 1922; Alameda, USA), 57.4 (17 February 1924; Miami, USA); 200 m freestyle – 26 May 1922 - 12 April 1935: 2:15.6 (26 May 1922; Honolulu, USA), 2:15.2 (9 December 1925; McKeesport, USA), 2:08.0 (5 April 1927; Ann Arbor, USA); 400 m freestyle – 22 June 1922 - 9 December 1924: 5:06.6 (22 June 1922; Honolulu, USA), 4:57.0 (6 March 1923; New Haven, USA); 800 m freestyle – 27 July 1927 - 30 May 1930: 10:22.2 (27 July 1927; Honolulu, USA); 4×200 m freestyle relay – 20 July 1924 - 4 September 1927 and 11 August 1928 - 27 August 1931: 9:53.4 (20 July 1924; Paris, FRA), 9:38.8 (11 August 1928; Amsterdam, NED), 9:36.2 (11 August 1928; Amsterdam, NED)
Matt Welsh AUS SWI 2000—2004 50 m butterfly – 21 July 2003 - 29 February 2004: 23.43 (21 July 2003; Barcelona, ESP)
Mike Wenden AUS SWI 1968—1972 100 m freestyle – 19 October 1968 - 23 August 1970: 52.2 (19 October 1968; Ciudad de México, MEX); 4×200 m freestyle relay – 24 July 1970 - 28 August 1970: 7:50.8 (24 July 1970; Edinburgh, GBR)
Gabriele Wetzko GDR SWI 1968—1972 4×100 m freestyle relay – 11 September 1970 - 9 September 1971: 4:00.8 (11 September 1970; Barcelona, ESP)
Dave Wharton USA SWI 1988—1992 200 m medley – 20 August 1989 - 13 January 1991: 2:00.11 (20 August 1989; Tokyo, JPN); 400 m medley – 14 August 1987 - 19 August 1987: 4:16.12 (14 August 1987; Brisbane, AUS)
Graham White AUS SWI 1968—1972 4×200 m freestyle relay – 24 July 1970 - 28 August 1970: 7:50.8 (24 July 1970; Edinburgh, GBR)
Tracey Wickham AUS SWI 1976 400 m freestyle – 24 August 1978 - 20 December 1987: 4:06.28 (24 August 1978; West-Berlin, FRG); 800 m freestyle – 21 February 1978 - 27 July 1987: 8:30.53 (21 February 1978; Brisbane, AUS), 8:24.62 (5 August 1978; Edmonton, CAN); 1500 m freestyle – 8 February 1978 - 19 August 1979: 16:14.93 (8 February 1978; Brisbane, AUS), 16:06.63 (25 February 1979; Perth, AUS)
Frank Wiegand GDR
GER
SWI 1960—1968 400 m freestyle – 25 August 1966 - 25 June 1967: 4:11.1 (25 August 1966; Utrecht, NED) (competed for East Germany); 4×100 m medley relay – 7 November 1967 - 26 October 1968: 3:56.5 (7 November 1967; Leipzig, GDR) (competed for East Germany)
Geertje Wielema NED SWI 1952 200 m backstroke – 2 April 1950 - 16 January 1957: 2:35.3 (2 April 1950; Hilversum, NED); 3×100 m medley relay – 2 December 1950 - 31 December 1952: 3:35.9 (2 December 1950; Rotterdam, NED); 4×100 m medley relay – 27 November 1954 - 17 July 1955: 5:02.1 (27 November 1954; Rotterdam, NED)
Albert Wiggins USA SWI 1956 100 m butterfly – 2 April 1955 - 26 May 1957: 1:01.5 (2 April 1955; New Haven, USA)
Aschwin Wildeboer ESP SWI 2004—2012 100 m backstroke – 1 July 2009 - 8 July 2009: 52.38 (1 July 2009; Pescara, ITA)
Ben Wildman-Tobriner USA SWI 2008 4×100 m freestyle relay – 10 August 2008 - 11 August 2008: 3:12.23 (10 August 2008; Beijing, CHN)
David Wilkie GBR SWI 1972—1976 200 m breaststroke – 6 September 1973 - 24 August 1974 and 24 July 1976 - 5 August 1982: 2:19.28 (6 September 1973; Beograd, YUG), 2:15.11 (24 July 1976; Montréal, CAN); 200 m medley – 24 August 1974 - 23 August 1975: 2:06.32 (24 August 1974; Wien, AUT)
Brian Wilkinson AUS SWI 1956 4×100 m medley relay – 25 July 1958 - 24 July 1960: 4:14.2 (25 July 1958; Cardiff, GBR), 4:10.4 (22 August 1958; Osaka, JPN)
Diana Wilkinson GBR SWI 1960—1964 4×100 m medley relay – 25 July 1958 - 5 September 1958: 4:54.0 (25 July 1958; Cardiff, GBR)
Madi Wilson AUS SWI 2010—2016 4×200 m freestyle relay – 25 July 2019 - present: 7:41.50 (25 July 2019; Gwangju, KOR)
Graham Windeatt AUS SWI 1972—1976 800 m freestyle – 3 April 1971 - 12 January 1972: 8:28.6 (3 April 1971; Sydney, AUS)
Bob Windle AUS SWI 1964—1968 200 m freestyle – 21 April 1963 - 27 July 1963: 2:00.3 (21 April 1963; Tokyo, JPN)
Artur Wojdat POL SWI 1988—1992 400 m freestyle – 25 March 1988 - 23 September 1988: 3:47.38 (25 March 1988; Orlando, USA)
Paul Wolf USA SWI 1936 4×100 m freestyle relay – 20 August 1938 - 8 March 1940: 3:59.2 (20 August 1938; Berlin, FRG)
Wally Wolf USA SWI/WAP 1948—1960 4×200 m freestyle relay – 3 August 1948 - 18 August 1949: 8:46.0 (3 August 1948; London, GBR)
Chris Woo USA SWI 1976 4×100 m medley relay – 22 July 1976 - 22 July 1976: 3:47.28 (22 July 1976; Montréal, CAN)
Carolyn Wood USA SWI 1960 4×100 m freestyle relay – 3 September 1960 - 31 July 1964: 4:08.9 (3 September 1960; Roma, ITA)
Margaret Woodbridge USA SWI 1920 4×100 m freestyle relay – 29 August 1920 - 20 July 1924: 5:11.6 (29 August 1920; Antwerpen, BEL)
Sippy Woodhead USA SWI 1984 200 m freestyle – 22 August 1978 - 23 May 1984: 1:58.53 (22 August 1978; West-Berlin, FRG), 1:58.43 (3 July 1979; San Juan, PUR), 1:58.23 (3 September 1979; Tokyo, JPN), 4×100 m freestyle relay – 26 August 1978 - 27 July 1980: 3:43.43 (26 August 1978; West-Berlin, FRG)
Kelsi Worrell USA SWI 2016 4×100 m medley relay – 30 July 2017 - present: 3:51.55 (30 July 2017; Budapest, HUN), 3:50.40 (28 July 2019; Gwangju, KOR); 4×100 m medley mixed relay – 26 July 2017: 3:40.28 (26 July 2017; Budapest, HUN)
Wu Yanyan CHN SWI 1996 200 m medley – 17 October 1997 - 25 March 2008: 2:09.72 (17 October 1997; Shanghai, CHN)
Tsuyoshi Yamanaka JPN SWI 1956—1964 200 m freestyle – 22 August 1958 - 16 January 1959 and 26 July 1959 - 21 April 1963: 2:03.0 (22 August 1958; Osaka, JPN), 2:01.5 (26 July 1959; Osaka, JPN), 2:01.2 (24 June 1961; Osaka, JPN), 2:01.1 (6 August 1961; Tokyo, JPN), 2:00.4 (20 August 1961; Los Angeles, USA); 400 m freestyle – 26 July 1959 - 23 February 1960: 4:16.6 (26 July 1959; Osaka, JPN); 4×200 m freestyle relay – 22 July 1959 - 23 July 1960 and 21 April 1963 - 10 August 1963: 8:21.6 (22 July 1959; Tokyo, JPN), 8:18.7 (26 July 1959; Osaka, JPN), 8:09.8 (21 April 1963; Tokyo, JPN)
Yang Wenyi CHN SWI 1988—1992 50 m freestyle – 11 April 1988 - 11 September 1994: 24.98 (11 April 1988; Guangzhou, CHN), 24.79 (31 July 1992; Barcelona, ESP)
Yang Yu CHN SWI 2000—2008 4×200 m freestyle relay – 30 July 2009 - 25 July 2019: 7:42.08 (30 July 2009; Roma, ITA)
Ye Shiwen CHN SWI 2012—2016 400 m medley – 28 July 2012 - 6 August 2016: 4:28.43 (28 July 2012; London, GBR)
Yuliya Yefimova RUS SWI 2008—2016 50 m breaststroke – 2 August 2009 - 6 August 2009 and 3 August 2013: 30.09 (2 August 2009; Roma, ITA), 29.78 (3 August 2013; Barcelona, ESP)
Takashi Yokoyama JPN SWI 1932 4×200 m freestyle relay – 9 August 1932 - 19 August 1935: 8:58.4 (9 August 1932; Los Angeles, USA)
Bill Yorzyk USA SWI 1956 200 m butterfly – 14 April 1956 - 11 July 1959: 2:16.7 (14 April 1956; Winchendon, USA)
David Young USA SWI 1928 4×200 m freestyle relay – 11 August 1928 - 11 August 1928: 9:38.8 (11 August 1928; Amsterdam, NED)
Masanori Yusa JPN SWI 1932—1936 4×200 m freestyle relay – 9 August 1932 - 3 August 1948: 8:58.4 (9 August 1932; Los Angeles, USA), 8:52.2 (19 August 1935; Tokyo, JPN), 8:51.5 (11 August 1936; Berlin, GER)
Sergey Zabolotnov URS SWI 1988 200 m backstroke – 21 August 1984 - 3 March 1985: 1:58.41 (21 August 1984; Moskva, URS)
Zhang Lin CHN SWI 2004—2008 800 m freestyle – 29 July 2009 - present: 7:32.12 (29 July 2009; Roma, ITA)
Zhao Jing CHN SWI 2008—2012 50 m backstroke – 9 April 2009 - 26 June 2009 and 30 July 2009 - 21 August 2018: 27.67 tied (9 April 2009; Shaoxing, CHN), 27.06 (30 July 2009; Roma, ITA); 4×100 m medley relay – 1 August 2009 - 4 August 2012: 3:52.19 (1 August 2009; Roma, ITA)
Nina Zhivanevskaya RUS
ESP
EUN
SWI 1992—2008 50 m backstroke – 8 April 2000 - 25 April 2000: 28.69 (8 April 2000; Madrid, ESP) (competed for Spain)
Zhu Qianwei CHN SWI 2008—2012 4×200 m freestyle relay – 30 July 2009 - 25 July 2019: 7:42.08 (30 July 2009; Roma, ITA)
Kate Ziegler USA SWI 2008—2012 1500 m freestyle – 17 June 2007 - 30 July 2013: 15:42.54 (17 June 2007; Mission Viejo, USA)
Gyula Zolyomy (DNS) HUN SWI 1936 4×100 m freestyle relay – 15 August 1937 - 5 March 1938 and 14 July 1938 - 20 August 1938: 4:06.6 (15 August 1937; Budapest, HUN), 4:02.0 (14 July 1938; Budapest, HUN)
Zac Zorn USA SWI 1968 100 m freestyle – 2 September 1968 - 19 October 1968: 52.6 tied (2 September 1968; Los Angeles, USA); 4×100 m freestyle relay – 28 August 1967 - 23 August 1970: 3:32.6 (28 August 1967; Tokyo, JPN), 3:32.5 (3 September 1968; Long Beach, USA), 3:31.7 (17 October 1968; Ciudad de México, MEX)
Anastasiya Zuyeva-Fesikova RUS SWI 2008—2016 50 m backstroke – 29 July 2009 - 30 July 2009: 27.38 (29 July 2009; Roma, ITA) (competed as Anastasiya Zuyeva); 100 m backstroke – 27 July 2009 - 28 July 2009: 58.48 (27 July 2009; Roma, ITA) (competed as Anastasiya Zuyeva)