Final | time | 1. Irena Szewinska | POL | 49.29s | 2. Christina Brehmer | GDR | 50.51s | 3. Ellen Streidt | GDR | 50.55s | 4. Pirjo Haggman | FIN | 50.56s | 5. Rosalyn Bryant | USA | 50.65s | 6. Sheila Ingram | USA | 50.90s | 7. Riitta Salin | FIN | 50.98s | 8. Debra Sapenter | USA | 51.66s |
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Semi 1 | time | 1. Irena Szewinska | POL | 50.48s | 2. Ellen Streidt | GDR | 50.51s | 3. Sheila Ingram | USA | 50.90s | 4. Riitta Salin | FIN | 51.26s | 5. Bethanie Nail | AUS | 51.44s | 6. Lyudmila Aksenova | URS | 51.55s | 7. Christiane Wildschek | AUT | 52.20s | -. Marita Koch | GDR | DNS |
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Semi 2 | time | 1. Rosalyn Bryant | USA | 50.62s | 2. Christina Brehmer | GDR | 50.86s | 3. Pirjo Haggman | FIN | 51.03s | 4. Debra Sapenter | USA | 51.34s | 5. Nadezhda Ilyina | URS | 51.42s | 6. Verna Burnard | AUS | 51.71s | 7. Rita Wilden | FRG | 51.82s | 8. Natalia Sokolova | URS | 51.95s |
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Quarter 1 | time | 1. Sheila Ingram | USA | 51.31s | 2. Ellen Streidt | GDR | 51.33s | 3. Pirjo Haggman | FIN | 51.35s | 4. Lyudmila Aksenova | URS | 51.73s | 5. Dagmar Fuhrmann | FRG | 52.02s | 6. Judith Canty | AUS | 52.65s | 7. Lorna Forde | BAR | 53.62s | 8. Rachelle Campbell | CAN | 54.16s |
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Quarter 2 | time | 1. Natalia Sokolova | URS | 51.63s | 2. Christina Brehmer | GDR | 51.67s | 3. Verna Burnard | AUS | 51.79s | 4. Rita Wilden | FRG | 52.41s | 5. Gladys Taylor | GBR | 53.71s | 6. Marika Lindholm | FIN | 54.07s | 7. Joyce Yakubowich | CAN | 55.02s | -. Marilyn Neufville | JAM | DNS |
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Quarter 3 | time | 1. Debra Sapenter | USA | 51.23s | 2. Nadezhda Ilyina | URS | 51.32s | 3. Bethanie Nail | AUS | 51.71s | 4. Christiane Wildschek | AUT | 52.25s | 5. Verona Elder | GBR | 52.70s | 6. Rosine Wallez | BEL | 53.04s | 7. Silvia Hollmann | FRG | 53.77s | 8. Ruth Simpson | JAM | 53.88s |
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Quarter 4 | time | 1. Riitta Salin | FIN | 51.62s | 2. Rosalyn Bryant | USA | 51.74s | 3. Marita Koch | GDR | 51.87s | 4. Irena Szewinska | POL | 52.00s | 5. Donna Murray | GBR | 52.29s | 6. Rita Bottiglieri | ITA | 52.51s | 7. Regine Berg | BEL | 53.14s | 8. Margaret Stride | CAN | 53.14s |
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Heat 1 | time | 1. Christina Brehmer | GDR | 52.45s | 2. Verona Elder | GBR | 52.60s | 3. Rita Wilden | FRG | 53.08s | 4. Lorna Forde | BAR | 53.93s | 5. Rachelle Campbell | CAN | 54.54s | -. Marieme Boye | SEN | DNS | -. Rita Hendricks | ISV | DNS |
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Heat 2 | time | 1. Debra Sapenter | USA | 52.33s | 2. Donna Murray | GBR | 52.75s | 3. Marita Koch | GDR | 52.78s | 4. Regine Berg | BEL | 53.66s | 5. Silvia Hollmann | FRG | 53.73s | 6. Helen Blake | JAM | 53.93s | 7. Ileana Hocking | PUR | 57.85s |
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Heat 3 | time | 1. Ellen Streidt | GDR | 52.56s | 2. Christiane Wildschek | AUT | 52.65s | 3. Judith Canty | AUS | 52.88s | 4. Marilyn Neufville | JAM | 52.93s | 5. Rosine Wallez | BEL | 52.94s | 6. Jelica Pavlicic | YUG | 54.11s | -.Chee Swee Lee | SIN | DNS |
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Heat 4 | time | 1. Sheila Ingram | USA | 51.83s | 2. Natalia Sokolova | URS | 52.45s | 3. Irena Szewinska | POL | 52.75s | 4. Joyce Yakubowich | CAN | 53.35s | 5. Gladys Taylor | GBR | 53.46s | 6. Marika Lindholm | FIN | 53.64s | 7. Celestine N'Drin | CIV | 54.13s |
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Heat 5 | time | 1. Rosalyn Bryant | USA | 52.01s | 2. Riitta Salin | FIN | 52.57s | 3. Lyudmila Aksenova | URS | 52.90s | 4. Bethanie Nail | AUS | 52.98s | 5. Ruth Simpson | JAM | 54.07s | 6. Helen Ritter | LIE | 58.52s | -. Debbie Jones | BER | DNS |
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Heat 6 | time | 1. Nadezhda Ilyina | URS | 51.97s | 2. Verna Burnard | AUS | 52.10s | 3. Dagmar Fuhrmann | FRG | 52.58s | 4. Pirjo Haggman | FIN | 52.73s | 5. Margaret Stride | CAN | 53.21s | 6. Rita Bottiglieri | ITA | 53.37s | 7. Rose Gauthier | HAI | 1:13.27 |
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