| Final | time | | 1. Annegret Richter |  FRG | 11.08s | | 2. Renate Stecher |  GDR | 11.13s | | 3. Inge Helten | FRG | 11.17s | | 4. Raelene Boyle |  AUS | 11.23s | | 5. Evelyn Ashford |  USA | 11.24s | | 6. Chandra Cheeseborough | USA | 11.31s | | 7. Andrea Lynch |  GBR | 11.32s | | 8. Marlies Oelsner | GDR | 11.34s |
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| Semi 1 | time | | 1. Annegret Richter | FRG | 11.01s | | 2. Evelyn Ashford | USA | 11.21s | | 3. Chandra Cheeseborough | USA | 11.26s | | 4. Marlies Oelsner | GDR | 11.29s | | 5. Rose Allwwod |  JAM | 11.32s | | 6. Vera Anisimova |  URS | 11.39s | | 7. Silvia Chivas |  CUB | 11.43s | | 8. Marjorie Bailey |  CAN | 11.47s |
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| Semi 2 | time | | 1. Renate Stecher | GDR | 11.10s | | 2. Inge Helten | FRG | 11.18s | | 3. Raelene Boyle | AUS | 11.22s | | 4. Andrea Lynch | GBR | 11.28s | | 5. Liudmila Maslakova | URS | 11.34s | | 6. Brenda Morehead | USA | 11.38s | | 7. Patty Loverock | CAN | 11.40s | | 8. Linda Haglund |  SWE | 11.41s |
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| Quarter 1 | time | | 1. Annegret Richter | FRG | 11.05s | | 2. Marlies Oelsner | GDR | 11.27s | | 3. Rose Allwwod | JAM | 11.34s | | 4. Patty Loverock | CAN | 11.50s | | 5. Nadezhda Bestamilnaya | URS | 11.63s | | 6. Silvie Telliez |  FRA | 11.64s | | 7. Esmerald De Jesus Freitas |  BRA | 11.77s | | -. Debbie Jones |  BER |
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| Quarter 2 | time | | 1. Inge Helten | FRG | 11.20s | | 2. Chandra Cheeseborough | USA | 11.36s | | 3. Andrea Lynch | GBR | 11.36s | | 4. Linda Haglund | SWE | 11.48s | | 5. Carmen Valdes | CUB | 11.52s | | 6. Denise Robertson | AUS | 11.56s | | 7. Carol Cummings | JAM | 11.75s | | 8. Susan Jowett |  NZL | 11.81s |
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| Quarter 3 | time | | 1. Evelyn Ashford | USA | 11.28s | | 2. Raelene Boyle | AUS | 11.29s | | 3. Liudmila Maslakova | URS | 11.37s | | 4. Silvia Chivas | CUB | 11.42s | | 5. Sharon Colyear | GBR | 11.51s | | 6. Elvira Possekel | FRG | 11.58s | | 7. Lea Alaerts |  BEL | 11.71s | | 8. Margaret Howe | CAN | 11.96s |
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| Quarter 4 | time | | 1. Renate Stecher | GDR | 11.10s | | 2. Brenda Morehead | USA | 11.38s | | 3. Marjorie Bailey | CAN | 11.47s | | 4. Vera Anisimova | URS | 11.39s | | 5. Deborah Wells | AUS | 11.51s | | 6. Leleith Hodges | JAM | 11.58s | | 7. Mona-Lisa Pursiainen |  FIN | 11.72s | | 8. Isabel Taylor | CUB | 11.92s |
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| Heat 1 | time | | 1. Inge Helten | FRG | 11.26s | | 2. Liudmila Maslakova | URS | 11.30s | | 3. Rose Allwwod | JAM | 11.35s | | 4. Marjorie Bailey | CAN | 11.46s | | 5. Sharon Colyear | GBR | 11.47s | | 6. Carol Cummings | JAM | 11.69s | | 7. Lorna Forde |  BAR | 12.02s |
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| Heat 2 | time | | 1. Brenda Morehead | USA | 11.35s | | 2. Patty Loverock | CAN | 11.47s | | 3. Leleith Hodges | JAM | 11.54s | | 4. Esmerald De Jesus Freitas | BRA | 11.80s | | 5. Debbie Jones | BER | 11.84s | | 6. Rita Hendricks |  ISV | 13.51s | | -. Sonia Lannaman | GBR | |
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| Heat 3 | time | | 1. Raelene Boyle | AUS | 11.39s | | 2. Linda Haglund | SWE | 11.40s | | 3. Susan Jowett | NZL | 11.70s | | 4. Isabel Taylor | CUB | 11.73s | | 5. Margaret Howe | CAN | 11.83s | | 6. Shonell Ferguson |  BAH | 12.26s |
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| Heat 4 | time | | 1. Chandra Cheeseborough | USA | 11.28s | | 2. Vera Anisimova | URS | 11.37s | | 3. Silvia Chivas | CUB | 11.43s | | 4. Elvira Possekel | FRG | 11.48s | | 5. Denise Robertson | AUS | 11.50s | | 6. Martina Blos | GDR | 11.70s | | 7. Carolina Rieuwpassa |  INA | 11.98s |
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| Heat 5 | time | | 1. Marlies Oelsner | GDR | 11.36s | | 2. Andrea Lynch | GBR | 11.40s | | 3. Silvie Telliez | FRA | 11.47s | | 4. Nadezhda Bestamilnaya | URS | 11.52s | | 5. Lea Alaerts | BEL | 11.71s | | 6. Divina Estralla |  DOM | 12.12s |
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| Heat 6 | time | | 1. Annegret Richter | FRG | 11.19s | | 2. Renate Stecher | GDR | 11.21s | | 3. Evelyn Ashford | USA | 11.25s | | 4. Deborah Wells | AUS | 11.25s | | 5. Carmen Valdes | CUB | 11.47s | | 6. Mona-Lisa Pursiainen | FIN | 11.62s | | 7. Antoinette Gauthier |  HAI | 13.11s |
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