Heat 1 | | time | gap | L | Y | Rk | 1. Judith Grinham | Great Britain | 1:13.1 | +0.1s OR | 3 | 17 | 2. | 2. Maria Both | Romania | 1:15.8 | +2.8s | 8 | _ | 12. | 3. Lyudmila Klipova | Soviet Union | 1:16.1 | +3.1s | 6 | 19 | 14. | 4. Elzbieta Gellner | Poland | 1:16.2 | +3.2s | 4 | 21 | 15. | 4. Mary Anne Marchino | United States | 1:16.2 | +3.2s | 5 | 18 | 15. | 6. Pamela Rochene Singleton | Australia | 1:17.0 | +4.0s | 1 | _ | 17. | 7. Lenora Fisher-Gilchrist | Canada | 1:17.5 | +4.5s | 2 | 19 | 18. | 8. Ginette Jany-Sendral | France | 1:19.1 | +6.1s | 7 | 24 | 21. |
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Heat 2 | | time | gap | L | Y | Rk | 1. Carin Cone | United States | 1:13.9 | +0.9s | 3 | 16 | 3. | 2. Gerganiya Beckitt | Australia | 1:14.8 | +1.8s | 6 | 16 | 5. | 3. Julie Hoyle | Great Britain | 1:15.0 | +2.0s | 7 | 18 | 8. | 4. Eva Pajor | Hungary | 1:15.3 | +2.3s | 5 | 19 | 9. | 5. Moira Abernethy | South Africa | 1:15.4 | +2.4s | 1 | 17 | 10. | 5. Jean Stewart | New Zealand | 1:15.4 | +2.4s | 4 | 25 | 10. | 7. Jocelyn Von Giese | Philippines | 1:20.0 | +7.0s | 2 | _ | 22. |
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