Women 100m Backstroke Swimming XVIII Olympic Games 1964 Tokyo, Japan - Tuesday, 14th October - Gold Medal: Cathy Ferguson, United States   
Final   time   gap L Y 1. Cathy Ferguson 1:07.7 WR   5 16 2. Christine Kiki Caron 1:07.9   +0.2s 4 16 3. Ginny Duenkel 1:08.0   +0.3s 3 17 4. Satoko Tanaka 1:08.6   +0.9s 7 22 5. Nina Harmer 1:09.4   +1.7s 2 18 6. Linda Ludgrove 1:09.5   +1.8s 1 17 7. Eileen Weir 1:09.8   +2.1s 6 18 8. Jill Norfolk 1:11.2   +3.5s 8 17 
World Record: Ginny Duenkel, United States 1:08.3  Los Angeles, United States 28th September 1964 Olympic Record: Lynn Burke, United States 1:09.0  Rome, Italy 2nd September 1960 
 
 
      
 
 In June 1964 Kiki Caron of France bettered the world record of 1:08.6 and came to Tokyo as a slight favorite. She was expected to be challenged by America's Ginny Duenkel, who had broken Caron's mark in September by posting 1:08.3. Japan's Satoko Tanaka was also highly considered, but she was better in the 200 backstroke, having set eight straight world records in that event from July 1960 to August 1963. Her 200 record had been broken just before the Tokyo Olympics by Cathy Ferguson, who was also entered in this event. In the final Ferguson, Caron and Duenkel were almost even at 50 metres. But Caron pulled ahead just after the turn, only to see Ferguson catch her near the end of the race and outtouch her to win the gold medal, 1:07.7 to 1:07.9. Duenkel held on for third, with Tanaka in fourth place.
        Heats  - Tuesday, 13th OctoberBest 8 times advanced to Final.  
Heat 4   time   gap L Y Rk 1. Christine Kiki Caron 1:08.5 OR   3 16 1. 2. Jill Norfolk 1:10.6   +2.1s 7 17 8. 3. Ingrid Schmidt 1:11.1   +2.6s 1 19 9. 4. Natalya Mikhaylova 1:11.4   +2.9s 2 16 12. 5. Korrie Winkel 1:11.6   +3.1s 6 20 14. 6. Nanette Mary Duncan 1:12.4   +3.9s 4 17 21. 7. Susana Norma Peper 1:13.2   +4.7s 8 18 25. 8. Ok-Ja Chun 1:21.7   +13.2s 5 16 31. 
 
 
Heat 3   time   gap L Y Rk 1. Cathy Ferguson 1:08.8 OR +0.3s 2 16 2. 2. Francoise Borie 1:11.8   +3.3s 6 17 15. 3. Petra Nerger 1:12.1   +3.6s 7 19 18. 4. Sylvia Lewis 1:12.2   +3.7s 4 22 19. 5. Ria Van Velsen 1:12.2   +3.7s 3 21 19. 6. Marlene Anne Dayman 1:12.9   +4.4s 8 14 23. 7. Anneliese Rockenbach 1:14.1   +5.6s 5 21 27. 8. Margaret Harding 1:19.5   +11.0s 1 16 29. 
 
Heat 2   time   gap L Y Rk 1. Ginny Duenkel 1:08.9 OR +0.4s 2 17 3. 2. Eileen Weir 1:09.7   +1.2s 4 18 4. 3. Michiko Kihara 1:11.1   +2.6s 1 16 9. 4. Kirsten Michaelsen 1:11.2   +2.7s 8 21 11. 5. Tatyana Savelyeva 1:11.8   +3.3s 5 17 15. 6. Maria Balla-Lantos 1:12.0   +3.5s 3 19 17. 7. Bep Weeteling 1:13.1   +4.6s 7 17 24. 8. Ursula Seitz 1:13.3   +4.8s 8 16 26. 
 
 
Heat 1   time   gap L Y Rk 1. Nina Harmer 1:09.8   +1.3s 3 18 5. 2. Satoko Tanaka 1:10.0   +1.5s 6 22 6. 3. Linda Ludgrove 1:10.3   +1.8s 2 17 7. 4. Helga Schmidt-Neuber 1:11.4   +2.9s 4 27 12. 5. Helen Louise Kennedy 1:12.5   +4.0s 5 15 22. 6. Belinda Woosley 1:15.3   +6.8s 1 16 28. 7. Jovina Tseng 1:20.7   +12.2s 7 14 30. 
 
Final   time   gap L Y Rk 1. Cathy Ferguson 1:07.7 WR   5 16 1. 2. Christine Kiki Caron 1:07.9   +0.2s 4 16 2. 3. Ginny Duenkel 1:08.0   +0.3s 3 17 3. 4. Satoko Tanaka 1:08.6   +0.9s 7 22 4. 5. Nina Harmer 1:09.4   +1.7s 2 18 5. 6. Linda Ludgrove 1:09.5   +1.8s 1 17 6. 7. Eileen Weir 1:09.8   +2.1s 6 18 7. 8. Jill Norfolk 1:11.2   +3.5s 8 17 8. Heats   time   gap L Y Rk 1. Christine Kiki Caron 1:08.5 OR   3 16 1. 1. Cathy Ferguson 1:08.8 OR +0.3s 2 16 2. 1. Ginny Duenkel 1:08.9 OR +0.4s 2 17 3. 2. Eileen Weir 1:09.7   +1.2s 4 18 4. 1. Nina Harmer 1:09.8   +1.3s 3 18 5. 2. Satoko Tanaka 1:10.0   +1.5s 6 22 6. 3. Linda Ludgrove 1:10.3   +1.8s 2 17 7. 2. Jill Norfolk 1:10.6   +2.1s 7 17 8. 3. Michiko Kihara 1:11.1   +2.6s 1 16 9. 3. Ingrid Schmidt 1:11.1   +2.6s 1 19 9. 4. Kirsten Michaelsen 1:11.2   +2.7s 8 21 11. 4. Natalya Mikhaylova 1:11.4   +2.9s 2 16 12. 4. Helga Schmidt-Neuber 1:11.4   +2.9s 4 27 12. 5. Korrie Winkel 1:11.6   +3.1s 6 20 14. 2. Francoise Borie 1:11.8   +3.3s 6 17 15. 5. Tatyana Savelyeva 1:11.8   +3.3s 5 17 15. 6. Maria Balla-Lantos 1:12.0   +3.5s 3 19 17. 3. Petra Nerger 1:12.1   +3.6s 7 19 18. 4. Sylvia Lewis 1:12.2   +3.7s 4 22 19. 5. Ria Van Velsen 1:12.2   +3.7s 3 21 19. 6. Nanette Mary Duncan 1:12.4   +3.9s 4 17 21. 5. Helen Louise Kennedy 1:12.5   +4.0s 5 15 22. 6. Marlene Anne Dayman 1:12.9   +4.4s 8 14 23. 7. Bep Weeteling 1:13.1   +4.6s 7 17 24. 7. Susana Norma Peper 1:13.2   +4.7s 8 18 25. 8. Ursula Seitz 1:13.3   +4.8s 8 16 26. 7. Anneliese Rockenbach 1:14.1   +5.6s 5 21 27. 6. Belinda Woosley 1:15.3   +6.8s 1 16 28. 8. Margaret Harding 1:19.5   +11.0s 1 16 29. 7. Jovina Tseng 1:20.7   +12.2s 7 14 30. 8. Ok-Ja Chun 1:21.7   +13.2s 5 16 31. 
 
 
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