Final | | time | | 1. Taťána Kocembová | Czechoslovakia | 49.97s | | 2. Erika Rossi | Italy | 52.37s | | 3. Rositsa Stamenova | Bulgaria | 52.41s | | 4. Regine Berg | Belgium | 53.41s | |
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| First 2 from each Heat advanced to Final. |
Semi 1 | | time | | 1. Regine Berg | Belgium | 53.13s | Q, NR | 2. Rositsa Stamenova | Bulgaria | 53.21s | Q | 6. Elżbieta Kapusta | Poland | 53.97s | | 7. Astrid Brun | Norway | 55.00s | |
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Semi 2 | | time | | 3. Taťána Kocembová | Czechoslovakia | 53.41s | Q | 4. Erika Rossi | Italy | 53.43s | Q | 5. Małgorzata Dunecka | Poland | 53.94s | | 8. Katya Ilieva | Bulgaria | 55.30s | |
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| First 2 from each Heat and next Best 2 advanced to Semi-Finals. |
Heat 1 | | time | | 3. Rositsa Stamenova | Bulgaria | 53.62s | Q | 4. Erika Rossi | Italy | 53.85s | Q | 6. Astrid Brun | Norway | 54.44s | q | 9. Esther Lahoz | Spain | 56.14s | |
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Heat 2 | | time | | 1. Taťána Kocembová | Czechoslovakia | 53.01s | Q | 2. Regine Berg | Belgium | 53.23s | Q | 5. Elżbieta Kapusta | Poland | 54.15s | q |
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Heat 3 | | time | | 7. Małgorzata Dunecka | Poland | 54.91s | Q | 8. Katya Ilieva | Bulgaria | 55.80s | Q | -. Cosetta Campana | Italy | DQ | |
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