| Final | time | | 1. Marlies Oelsner-Gohr |  East Germany | 10.97s | | 2. Marita Koch | East Germany | 11.02s | | 3. Diane Williams |  United States | 11.06s | | 4. Merlene Ottey |  Jamaica | 11.19s | | 5. Angela Bailey |  Canada | 11.20s | | 6. Helina Marjamaa |  Finland | 11.24s | | 7. Angella Taylor-Issajenko | Canada | 11.30s | | -. Evelyn Ashford | United States | DNF |
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| Semi 1 | time | | 1. Marlies Oelsner-Gohr | GDR | 11.05s | | 2. Angela Bailey | CAN | 11.18s | | 3. Diane Williams | USA | 11.21s | | 4. Helina Marjamaa | FIN | 11.29s | | 5. Silke Gladisch-Moller | GDR | 11.30s | | 6. Anelia Nuneva |  BUL | 11.31s | | 7. Alice Brown | USA | 11.33s | | 8. Shirley Thomas |  GBR | 11.53s |
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| Semi 2 | time | | 1. Evelyn Ashford | USA | 10.99s | | 2. Marita Koch | GDR | 11.08s | | 3. Angella Taylor-Issajenko | CAN | 11.22s | | 4. Merlene Ottey | JAM | 11.26s | | 5. Olga Antonova |  URS | 11.30s | | 6. Nadezhda Georgieva | BUL | 11.36s | | 7. Heather Hunte-Oakes | GBR | 11.50s | | 8. Rose-Aimee Bacoul |  FRA | 11.59s |
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| Quarter 1 | time | | 1. Anelia Nuneva | BUL | 11.20s | | 2. Angella Taylor-Issajenko | CAN | 11.24s | | 3. Alice Brown | USA | 11.30s | | 4. Olga Antonova | URS | 11.32s | | 5. Els Vader |  NED | 11.56s | | 6. Leleith Hodges | JAM | 11.63s | | 7. Marie-France Loval | FRA | 11.79s | | 8. Monika Hirsch |  FRG | 11.91s |
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| Quarter 2 | time | | 1. Marita Koch | GDR | 11.25s | | 2. Merlene Ottey | JAM | 11.33s | | 3. Helina Marjamaa | FIN | 11.34s | | 4. Nadezhda Georgieva | BUL | 11.43s | | 5. Beverley Callender | GBR | 11.48s | | 6. Esmeralda Garcia |  BRA | 11.64s | | 7. Dorthe A. Rasmussen |  DEN | 11.67s | | 8. Lydia De Vega |  PHI | 11.90s |
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| Quarter 3 | time | | 1. Diane Williams | USA | 11.25s | | 2. Silke Gladisch-Moller | GDR | 11.36s | | 3. Rose-Aimee Bacoul | FRA | 11.42s | | 4. Shirley Thomas | GBR | 11.48s | | 5. Rufina Ubah |  NGR | 11.60s | | 6. Pauline Davis-Thompson |  BAH | 11.62s | | 7. Juliet Cuthbert | JAM | 11.67s | | 8. Radislava Soborova |  TCH | 11.90s |
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| Quarter 4 | time | | 1. Evelyn Ashford | USA | 11.11s | | 2. Marlies Oelsner-Gohr | GDR | 11.16s | | 3. Angela Bailey | CAN | 11.36s | | 4. Heather Hunte-Oakes | GBR | 11.57s | | 5. Marina Romanova | URS | 11.61s | | 6. Lena Moller |  SWE | 11.75s | | 7. Laurence Bily | FRA | 11.76s | | 8. Shu-Foog Shen |  TPE | 12.17s |
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| Heat 1 | time | | 1. Olga Antonova | URS | 11.26s | | 2. Marlies Oelsner-Gohr | GDR | 11.34s | | 3. Esmeralda Garcia | BRA | 11.57s | | 4. Leleith Hodges | JAM | 11.58s | | 5. Radislava Soborova | TCH | 11.80s | | 6. Mary Mensah |  GHA | 12.26s | | 7. Rose Phillips-King |  BVI | 12.87s |
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| Heat 2 | time | | 1. Marita Koch | GDR | 11.24s | | 2. Angela Bailey | CAN | 11.31s | | 3. Rose-Aimee Bacoul | FRA | 11.38s | | 4. Dorthe A. Rasmussen | DEN | 11.42s | | 5. Monika Hirsch | FRG | 11.73s | | 6. Felicite Bada |  BEN | 13.15s | | -. Mesode Ruth Enang |  CMR | DNS |
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| Heat 3 | time | | 1. Diane Williams | USA | 11.23s | | 2. Helina Marjamaa | FIN | 11.47s | | 3. Beverley Callender | GBR | 11.65s | | 4. Rufina Ubah | NGR | 11.67s | | 5. Esther Hope |  TRI | 12.19s | | 6. June Caddle |  BAR | 12.56s | | 7. Judith Nimpaye |  BUR | 14.65s |
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| Heat 4 | time | | 1. Evelyn Ashford | USA | 11.15s | | 2. Marina Romanova | URS | 11.54s | | 3. Pauline Davis-Thompson | BAH | 11.56s | | 4. Els Vader | NED | 11.58s | | 5. Lena Moller | SWE | 11.62s | | 6. Amie Ndow |  GAM | 12.63s | | -. Semra Aksu |  TUR | DNS |
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| Heat 5 | time | | 1. Merlene Ottey | JAM | 11.30s | | 2. Anelia Nuneva | BUL | 11.43s | | 3. Heather Hunte-Oakes | GBR | 11.60s | | 4. Marie-France Loval | FRA | 11.71s | | 5. Walapa Tangjitnusorn |  THA | 12.26s | | 6. Myong-Hee Mo |  KOR | 12.26s | | 7. Marisol Garcia |  NCA | 12.99s |
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| Heat 6 | time | | 1. Angella Taylor-Issajenko | CAN | 11.45s | | 2. Shirley Thomas | GBR | 11.54s | | 3. Nadezhda Georgieva | BUL | 11.58s | | 4. Ruperta Charles |  ANT | 12.18s | | 5. Evelyne Farrell |  AHO | 12.19s | | 6. Carmela Bolivar |  PER | 12.31s | | 7. Pushpa Bhatta |  NEP | 13.89s |
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| Heat 7 | time | | 1. Alice Brown | USA | 11.26s | | 2. Silke Gladisch-Moller | GDR | 11.28s | | 3. Laurence Bily | FRA | 11.53s | | 4. Juliet Cuthbert | JAM | 11.58s | | 5. Lydia De Vega | PHI | 11.74s | | 6. Shu-Foog Shen | TPE | 11.85s | | 7. Koumba Kante |  GUI | 13.37s |
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