Semi 1 | | time | | gap | L | Y | Rk | 1. Sharon Stouder | United States | 1:05.6 | OR | | 4 | 15 | 1. | 2. Ada Kok | Netherlands | 1:05.9 | | +0.3s | 5 | 17 | 2. | 3. Eila Pyrhonen | Finland | 1:07.9 | | +2.3s | 3 | 18 | 6. | 4. Marianne Humeniuk | Canada | 1:09.2 | | +3.6s | 2 | 17 | 9. | 5. Ute Noack | UT Germany | 1:09.3 | | +3.7s | 6 | 21 | 10. | 6. Glenda May Phillips | Great Britain | 1:10.6 | | +5.0s | 7 | 19 | 14. | 7. Marta Egervari | Hungary | 1:10.7 | | +5.1s | 1 | 21 | 15. | 8. Kimiko Sato | Japan | 1:11.2 | | +5.6s | 8 | 18 | 16. |
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Semi 2 | | time | | gap | L | Y | Rk | 1. Kathleen Ellis | United States | 1:07.2 | | +1.6s | 5 | 17 | 3. | 2. Donna De Varona | United States | 1:07.7 | | +2.1s | 4 | 17 | 4. | 3. Eiko Takahashi | Japan | 1:07.8 | | +2.2s | 3 | 19 | 5. | 4. Mary Pauline Stewart | Canada | 1:08.6 | | +3.0s | 2 | 18 | 7. | 5. Heike Hustede | UT Germany | 1:08.8 | | +3.2s | 1 | 18 | 8. | 6. Mary Anne Cotterill | Great Britain | 1:09.4 | | +3.8s | 6 | 18 | 11. | 7. Anna Maria Cecchi | Italy | 1:10.4 | | +4.8s | 7 | 21 | 12. | 8. Judy Gegan | Great Britain | 1:10.5 | | +4.9s | 8 | 19 | 13. |
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