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| Event type

400 metres Freestyle, Women

Date17 – 18 October 1964
StatusOlympic
LocationKokuritsu Yoyogi Kyogijo, Shibuya, Tokyo
Participants31 from 16 countries
Olympic Record 4:50.6 / Chris von Saltza USA / 1 September 1960

Marilyn Ramenofsky of the United States had set three world records in this event earlier in 1964 and came to Tokyo as the favorite. In fact it was thought that the Americans could sweep the event, with Ginny Duenkel, already a bronze medalist in Tokyo in the 100 back, and Terri Lee Stickles. Ramenofsky led the final through 175 metres, when she was caught by Duenkel who gradually pulled away from her teammate. Duenkel held on to upset Ramenofsky and win the gold medal, with Stickles completing the American sweep by outlasting Australia’s Dawn Fraser. Duenkel posted 4:43.3, a personal best for her by 3/10ths of a second, but well off Ramenofsky’s world record of 4:39.5.

PosSwimmerNOCR1Final
1Ginny DuenkelUSA4:48.6 (1 h1)4:43.3 (1)Gold
2Marilyn RamenofskyUSA4:47.7 (1 h4)4:44.6 (2)Silver
3Terri Lee SticklesUSA4:49.3 (1 h5)4:47.2 (3)Bronze
4Dawn FraserAUS4:52.2 (2 h4)4:47.6 (4)
5Jane HughesCAN4:54.8 (3 h4)4:50.9 (5)
6Liz LongGBR4:54.5 (1 h3)4:52.0 (6)
7Kim HerfordAUS4:49.8 (1 h2)4:52.9 (7)
8Ann-Charlotte LiljaSWE4:52.3 (2 h2)4:53.0 (8)
9Nanette DuncanAUS4:55.2 (2 h5)
10Daniela BeneckITA4:56.2 (2 h3)
11Kazue HayakawaJPN4:56.5 (3 h5)
12Elisabeth LjunggrenSWE4:57.0 (3 h3)
13Martina GrunertGER4:57.7 (2 h1)
14Heidi PechsteinGER5:01.4 (4 h5)
15Jutta WankeGER5:01.7 (4 h3)
16Ineke TigelaarNED5:01.8 (3 h1)
17Ann LallandePUR5:04.3 (5 h3)
18Barbara HounsellCAN5:04.9 (4 h1)
19Nataliya BystrovaURS5:05.0 (4 h4)
20María Luisa SouzaMEX5:05.2 (5 h4)
21Rita PulidoESP5:06.2 (6 h3)
22Tazuko KikutaniJPN5:06.3 (5 h1)
23Patty ThompsonCAN5:06.7 (3 h2)
24Majvor WelanderSWE5:07.7 (6 h4)
25Nataliya MikhaylovaURS5:08.0 (5 h5)
26Marilyn SidelskyRHO5:08.9 (7 h3)
27Pauline SillettGBR5:12.2 (4 h2)
28Bep WeetelingNED5:13.0 (5 h2)
29Olga BelmarMEX5:14.0 (7 h4)
30Im Geum-JaKOR5:38.7 (6 h5)
31Jovina TsengMAS5:46.0 (8 h4)
DNSMária FrankHUN– (DNS h1)
DNSMaria Cristina PacificiITA– (DNS h1)
DNSPaola SainiITA– (DNS h2)
DNSNataliya UstinovaURS– (DNS h2)
DNSRosario de VivancoPER– (DNS h3)
DNSMonique PiétriFRA– (DNS h5)
DNSAnita LonsbroughGBR– (DNS h5)

Round One (17 October 1964 — 11:55)

Fastest eight advanced to the final.

Heat One

PosLaneSwimmerNOCTime
13Ginny DuenkelUSA4:48.6QOR
27Martina GrunertGER4:57.7
32Ineke TigelaarNED5:01.8
45Barbara HounsellCAN5:04.9
54Tazuko KikutaniJPN5:06.3
DNS6Mária FrankHUN
DNSMaria Cristina PacificiITA

Heat Two

PosLaneSwimmerNOCTime
16Kim HerfordAUS4:49.8Q
21Ann-Charlotte LiljaSWE4:52.3Q
33Patty ThompsonCAN5:06.7
45Pauline SillettGBR5:12.2
52Bep WeetelingNED5:13.0
DNSPaola SainiITA
DNS4Nataliya UstinovaURS

Heat Three

PosLaneSwimmerNOCTime
16Liz LongGBR4:54.5Q
22Daniela BeneckITA4:56.2
31Elisabeth LjunggrenSWE4:57.0
43Jutta WankeGER5:01.7
55Ann LallandePUR5:04.3
64Rita PulidoESP5:06.2
77Marilyn SidelskyRHO5:08.9
DNS8Rosario de VivancoPER

Heat Four

PosLaneSwimmerNOCTime
16Marilyn RamenofskyUSA4:47.7QOR
25Dawn FraserAUS4:52.2Q
32Jane HughesCAN4:54.8Q
48Nataliya BystrovaURS5:05.0
51María Luisa SouzaMEX5:05.2
64Majvor WelanderSWE5:07.7
73Olga BelmarMEX5:14.0
87Jovina TsengMAS5:46.0

Heat Five

PosLaneSwimmerNOCTime
11Terri Lee SticklesUSA4:49.3Q
25Nanette DuncanAUS4:55.2
32Kazue HayakawaJPN4:56.5
48Heidi PechsteinGER5:01.4
54Nataliya MikhaylovaURS5:08.0
66Im Geum-JaKOR5:38.7
DNSMonique PiétriFRA
DNS3Anita LonsbroughGBR

Final (18 October 1964 — 11:10)

PosLaneSwimmerNOCTime
15Ginny DuenkelUSA4:43.3OR
24Marilyn RamenofskyUSA4:44.6
33Terri Lee SticklesUSA4:47.2
42Dawn FraserAUS4:47.6
58Jane HughesCAN4:50.9
61Liz LongGBR4:52.0
76Kim HerfordAUS4:52.9
87Ann-Charlotte LiljaSWE4:53.0