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| Event type

100 metres Butterfly, Women

Date20 – 21 October 1968
StatusOlympic
LocationAlberca Olímpica Francisco Márquez, Ciudad de México
Participants28 from 21 countries

Dutchwoman Ada Kok had finished second in this event in 1964, was the 1966 European Champion, and had held the world record since 1965. Australian put forward the unknown Lyn McClements who had been a freestyler until the Olympic year and had never won a butterfly race until the Australian Trials in February 1968. American Ellie Daniel had won the 1967 Pan American Games and the 1968 US Olympic Trials and was expected to contend. McClements started the final quickly, leading by half a body length at the turn over American Susan Shields, with Kok in third and Daniel fourth. McClements hung on over the last lap and won a surprise gold medal, with Daniel moving up for silver and Shields taking bronze, Kok finishing fourth.

PosSwimmerNOCR1SFFinal
1Lyn McClementsAUS1:06.1 (1 h3)1:06.1 (2 h2)1:05.5 (1)Gold
2Ellie DanielUSA1:07.2 (1 h2)1:06.1 (1 h2)1:05.8 (2)Silver
3Susan ShieldsUSA1:06.2 (1 h5)1:06.3 (2 h1)1:06.2 (3)Bronze
4Ada KokNED1:08.5 (2 h1)1:06.2 (1 h1)1:06.2 (4)
5Andrea GyarmatiHUN1:07.4 (2 h3)1:06.6 (3 h1)1:06.8 (5)
6Heike HustedeFRG1:07.7 (1 h1)1:07.0 (4 h1)1:06.9 (6)
7Toni HewittUSA1:08.1 (2 h4)1:07.9 (5 h1)1:07.5 (7)
8Helga LindnerGDR1:08.0 (1 h4)1:07.7 (3 h2)1:07.6 (8)
9Christine StrübingGDR1:09.2 (3 h2)1:08.2 (6 h1)
10Tatyana DevyatovaURS1:07.6 (2 h2)1:08.4 (4 h2)
11Nel BosNED1:09.5 (4 h2)1:08.5 (5 h2)
12Sandra WhittlestonNZL1:08.5 (2 h5)1:08.7 (6 h2)
13Margaret AutonGBR1:08.5 (3 h4)1:08.8 (7 h2)
14Yasuko FujiiJPN1:10.1 (4 h1)1:09.4 (8 h2)
15Jeanne WarrenCAN1:10.0 (3 h1)1:09.7 (7 h1)
16Gillian TreersGBR1:10.6 (3 h5)1:10.6 (8 h1)
17Marilyn CorsonCAN1:10.7 (4 h5)
18Oei LianaTPE1:11.2 (5 h2)
19Yvonne TobisISR1:12.0 (3 h3)
20Patricia ObregónMEX1:12.4 (5 h1)
21Vivienne SmithIRL1:13.1 (6 h2)
22Pauline GrayAUS1:13.5 (5 h5)
23Catherine GrosjeanFRA1:14.6 (7 h2)
24Carmen GómezCOL1:14.7 (4 h4)
25Ruth AptURU1:15.3 (5 h4)
26Adriana ComolliARG1:16.5 (6 h5)
27Nam Sang-NamKOR1:16.9 (6 h1)
28Ana MarcialPUR1:17.1 (6 h4)
DNSElaine TannerCAN– (DNS h1)
DNSEdit KovácsHUN– (DNS h3)
DNSHedy GarcíaPHI– (DNS h3)
DNSKristina MoirPUR– (DNS h5)
DNSPat ChanSGP– (DNS h3)
DNSLotten AnderssonSWE– (DNS h4)
DNSIngrid GustavssonSWE– (DNS h3)

Round One (20 October 1968 — 10:00)

Fastest 16 advanced to the semi-finals.

Heat One

PosLaneSwimmerNOCTime
16Heike HustedeFRG1:07.7Q
22Ada KokNED1:08.5Q
35Jeanne WarrenCAN1:10.0Q
44Yasuko FujiiJPN1:10.1Q
57Patricia ObregónMEX1:12.4
63Nam Sang-NamKOR1:16.9
DNSElaine TannerCAN

Heat Two

PosLaneSwimmerNOCTime
11Ellie DanielUSA1:07.2Q
24Tatyana DevyatovaURS1:07.6Q
36Christine StrübingGDR1:09.2Q
43Nel BosNED1:09.5Q
55Oei LianaTPE1:11.2
62Vivienne SmithIRL1:13.1
77Catherine GrosjeanFRA1:14.6

Heat Three

PosLaneSwimmerNOCTime
14Lyn McClementsAUS1:06.1Q
23Andrea GyarmatiHUN1:07.4Q
35Yvonne TobisISR1:12.0
DNSEdit KovácsHUN
DNSHedy GarcíaPHI
DNSPat ChanSGP
DNSIngrid GustavssonSWE

Heat Four

PosLaneSwimmerNOCTime
16Helga LindnerGDR1:08.0Q
25Toni HewittUSA1:08.1Q
32Margaret AutonGBR1:08.5Q
44Carmen GómezCOL1:14.7
57Ruth AptURU1:15.3
63Ana MarcialPUR1:17.1
DNSLotten AnderssonSWE

Heat Five

PosLaneSwimmerNOCTime
16Susan ShieldsUSA1:06.2Q
23Sandra WhittlestonNZL1:08.5Q
32Gillian TreersGBR1:10.6Q
44Marilyn CorsonCAN1:10.7
55Pauline GrayAUS1:13.5
67Adriana ComolliARG1:16.5
DNSKristina MoirPUR

Semi-Finals (20 October 1968 — 10:00)

Fastest eight advanced to the final.

Heat One

PosLaneSwimmerNOCTime
12Ada KokNED1:06.2Q
24Susan ShieldsUSA1:06.3Q
35Andrea GyarmatiHUN1:06.6Q
43Heike HustedeFRG1:07.0Q
56Toni HewittUSA1:07.9Q
67Christine StrübingGDR1:08.2
71Jeanne WarrenCAN1:09.7
88Gillian TreersGBR1:10.6

Heat Two

PosLaneSwimmerNOCTime
15Ellie DanielUSA1:06.1Q
24Lyn McClementsAUS1:06.1Q
36Helga LindnerGDR1:07.7Q
43Tatyana DevyatovaURS1:08.4
51Nel BosNED1:08.5
62Sandra WhittlestonNZL1:08.7
77Margaret AutonGBR1:08.8
88Yasuko FujiiJPN1:09.4

Final (21 October 1968 — 17:00)

PosLaneSwimmerNOCTime
15Lyn McClementsAUS1:05.5
24Ellie DanielUSA1:05.8
36Susan ShieldsUSA1:06.2
43Ada KokNED1:06.2
52Andrea GyarmatiHUN1:06.8
67Heike HustedeFRG1:06.9
78Toni HewittUSA1:07.5
81Helga LindnerGDR1:07.6