| Final | time | | 1. Silke Gladisch-Moller |  GDR | 10.90s | | 2. Heike Daute-Drechsler | GDR | 11.00s | | 3. Merlene Ottey |  JAM | 11.04s | | 4. Diane Williams |  USA | 11.07s | | 5. Angella Taylor-Issajenko |  CAN | 11.09s | | 6. Anelia Nuneva |  BUL | 11.09s | | 7. Angela Bailey | CAN | 11.18s | | 8. Pam Marshall | USA | 11.19s |
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| Semi 1 | time | | 1. Silke Gladisch-Moller | GDR | 10.82s | | 2. Merlene Ottey | JAM | 10.89s | | 3. Angella Taylor-Issajenko | CAN | 10.99s | | 4. Pam Marshall | USA | 11.06s | | 5. Alice Brown | USA | 11.07s | | 6. Nadezhda Georgieva | BUL | 11.10s | | 7. Ulrike Sarvari |  FRG | 11.15s | | 8. Irina Slyusar |  URS | 11.44s |
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| Semi 2 | time | | 1. Heike Daute-Drechsler | GDR | 10.95s | | 2. Anelia Nuneva | BUL | 11.01s | | 3. Diane Williams | USA | 11.07s | | 4. Angela Bailey | CAN | 11.07s | | 5. Natalya Pomoshchnikova-Voronova | URS | 11.15s | | 6. Nelli Cooman-Fiere |  NED | 11.21s | | 7. Marlies Oelsner-Gohr | GDR | 11.33s | | 8. Paula Dunn-Thomas |  GBR | 11.59s |
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| Quarter 1 | time | | 1. Heike Daute-Drechsler | GDR | 11.08s | | 2. Anelia Nuneva | BUL | 11.29s | | 3. Ulrike Sarvari | FRG | 11.32s | | 4. Olga Zolotaryova | URS | 11.59s | | 5. Angela Phipps | CAN | 11.67s | | 6. Diane Holden |  AUS | 11.68s | | 7. Ingrid Verbruggen |  BEL | 11.78s | | 8. Felicite Bada |  BEN | DNS |
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| Quarter 2 | time | | 1. Angella Taylor-Issajenko | CAN | 10.99s | | 2. Nelli Cooman-Fiere | NED | 11.14s | | 3. Pam Marshall | USA | 11.21s | | 4. Irina Slyusar | URS | 11.39s | | 5. Paula Dunn-Thomas | GBR | 11.47s | | 6. Marisa Masullo |  ITA | 11.62s | | 7. Francoise Leroux |  FRA | 11.63s | | 8. Sheila De Oliveira |  BRA | 11.76s |
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| Quarter 3 | time | | 1. Diane Williams | USA | 11.21s | | 2. Angela Bailey | CAN | 11.31s | | 3. Natalya Pomoshchnikova-Voronova | URS | 11.33s | | 4. Marlies Oelsner-Gohr | GDR | 11.40s | | 5. Laurence Bily | FRA | 11.49s | | 6. Valya Demireva | BUL | 11.73s | | 7. Simmone Jacobs | GBR | 11.83s | | 8. Yolanda Diaz |  ESP | 12.05s |
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| Quarter 4 | time | | 1. Merlene Ottey | JAM | 11.27s | | 2. Silke Gladisch-Moller | GDR | 11.29s | | 3. Alice Brown | USA | 11.34s | | 4. Nadezhda Georgieva | BUL | 11.47s | | 5. Liliana Allen |  CUB | 11.60s | | 6. Pauline Davis-Thompson |  BAH | 11.64s | | 7. Amparo Caicedo |  COL | 12.08s | | 8. Gisele Ongollo |  GAB | 12.21s |
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| Heat 1 | time | | 1. Heike Daute-Drechsler | GDR | 11.02s | | 2. Nadezhda Georgieva | BUL | 11.27s | | 3. Irina Slyusar | URS | 11.34s | | 4. Marisa Masullo | ITA | 11.71s | | 5. Felicite Bada | BEN | 12.22s | | 6. Alyson Caulker |  SLE | 12.33s | | 7. Sara Rossini |  SMR | 12.86s | | 8. Erin Tierney |  CKI | 13.12s |
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| Heat 2 | time | | 1. Merlene Ottey | JAM | 11.26s | | 2. Laurence Bily | FRA | 11.32s | | 3. Natalya Pomoshchnikova-Voronova | URS | 11.39s | | 4. Diane Holden | AUS | 11.53s | | 5. Sheila De Oliveira | BRA | 11.82s | | 6. Rosanna Browne |  ANG | 12.80s | | 7. Lorraine Nanton |  MNT | 13.30s | | 8. Moutwakil Abdelkarim |  SUD | 14.07s |
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| Heat 3 | time | | 1. Alice Brown | USA | 11.42s | | 2. Angela Bailey | CAN | 11.52s | | 3. Simmone Jacobs | GBR | 11.77s | | 4. Francoise Leroux | FRA | 11.92s | | 5. Mangalika T.G. Ramani |  SRI | 12.34s | | 6. Sherlette Barrow |  BIZ | 13.21s | | 7. Denise Ephraim |  NAU | 13.69s | | -. Phydia Inamahoro |  BUR | DNS |
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| Heat 4 | time | | 1. Anelia Nuneva | BUL | 11.37s | | 2. Olga Zolotaryova | URS | 11.52s | | 3. Liliana Allen | CUB | 11.57s | | 4. Pauline Davis-Thompson | BAH | 11.59s | | 5. Yolanda Diaz | ESP | 12.00s | | 6. Lea Haba |  GUI | 12.78s | | -. Iammo Launa |  PNG | DNS | | -. Aminata Diarra |  MLI | DNS |
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| Heat 5 | time | | 1. Ulrike Sarvari | FRG | 11.37s | | 2. Silke Gladisch-Moller | GDR | 11.42s | | 3. Pam Marshall | USA | 11.44s | | 4. Angela Phipps | CAN | 11.62s | | 5. Ka Yee Ng |  HKG | 12.26s | | 6. Budi Nurani |  INA | 12.34s | | 7. Sudani Intisar Othman |  JOR | 12.91s | | -. Faouzia Djaffar |  COM | DNS |
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| Heat 6 | time | | 1. Nelli Cooman-Fiere | NED | 11.18s | | 2. Angella Taylor-Issajenko | CAN | 11.42s | | 3. Valya Demireva | BUL | 11.61s | | 4. Gisele Ongollo | GAB | 11.89s | | 5. Marie-Ange Wirtz |  SEY | 12.64s | | 6. Judith Robinson |  TKS | 13.15s | | 7. Elise Comlan |  TOG | 13.21s | | -. Tina Iheagwam |  NGR | DNS |
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| Heat 7 | time | | 1. Diane Williams | USA | 11.22s | | 2. Marlies Oelsner-Gohr | GDR | 11.47s | | 3. Paula Dunn-Thomas | GBR | 11.52s | | 4. Ingrid Verbruggen | BEL | 11.62s | | 5. Amparo Caicedo | COL | 11.88s | | 6. Judith Diankolela-Missengue |  CGO | 12.84s | | 7. Martha Soraima |  AHO | 12.87s | | 8. Jyhan Hassan-Didi |  MLD | 15.05s |
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