| | | Final |  | time |  |  | 1. Verona Bernard |  Great Britain | 53.04s | WB |  | 2. Waltraud Dietsch |  East Germany | 53.35s |  |  | 3. Renate Siebach |  East Germany | 53.49s |  |  | 4. Christel Frese |  West Germany | 53.78s |  | 
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 |  |  | First 2 from each Semi advanced to Final. | 
 | | Semi 1 |  | time |  |  | 1. Verona Bernard |  Great Britain | 53.35s | Q |  | 2. Waltraud Dietsch |  East Germany | 53.44s | Q |  | 3. Erika Weinstein |  West Germany | 54.23s |  |  | 4. Lilyana Todorova |  Bulgaria | 54.26s |  | 
 |  | | Semi 2 |  | time |  |  | 5. Renate Siebach |  East Germany | 54.52s | Q |  | 6. Christel Frese |  West Germany | 54.71s | Q |  | 7. Danuta Piecyk |  Poland | 54.87s |  |  | 8. Chantal Jouvhomme |  France | 55.09s |  | 
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 | | Heat 1 |  | time |  |  | 1. Verona Bernard |  Great Britain | 53.98s | Q |  | 2. Renate Siebach |  East Germany | 54.30s | Q |  | 4. Karoline Käfer |  Austria | 54.31s | NR |  | 6. Chantal Leclerc |  France | 54.69s |  | 
 |  | | Heat 2 |  | time |  |  | 2. Christel Frese |  West Germany | 54.30s | Q |  | 5. Lilyana Todorova |  Bulgaria | 54.56s | Q |  | 9. Nicole Duclos |  France | 55.17s |  |  | 12.Lea Alaerts |  Belgium | 55.75s |  | 
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 | | Heat 3 |  | time |  |  | 7. Erika Weinstein |  West Germany | 54.76s | Q |  | 11.Chantal Jouvhomme |  France | 55.65s | Q |  | 14.Nina Zyuskova |  Soviet Union | 56.32s |  | 
 |  | | Heat 4 |  | time |  |  | 8. Danuta Piecyk |  Poland | 55.14s | Q |  | 10.Waltraud Dietsch |  East Germany | 55.28s | Q |  | 13.Josefina Salgado |  Spain | 56.04s | NR | 
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