| Date | 10 August 1984 — 16:20 | |
|---|---|---|
| Location | Los Angeles Memorial Coliseum, Los Angeles, California | |
| Format | Top 4 in each heat advanced to the final round. | |
| Pos | Number | Competitor | NOC | Time (automatic) | |||
|---|---|---|---|---|---|---|---|
| 1 | 376 | Benita Fitzgerald-Brown |  USA | 12.98 | |||
| 2 | 104 | Michèle Chardonnet |  FRA | 13.09 | |||
| 3 | 400 | Kim Turner | USA | 13.11 | |||
| 4 | 17 | Glynis Nunn |  AUS | 13.14 | |||
| 5 | 177 | Shirley Strong |  GBR | 13.16 | |||
| 6 | 118 | Ulrike Denk |  FRG | 13.20 | |||
| 7 | 113 | Marie-Noëlle Savigny | FRA | 13.30 | |||
| 8 | 154 | Sharon Danville | GBR | 13.35 | |||
| 9 | 391 | Pam Page | USA | 13.36 | |||
| 10 | 130 | Edith Oker | FRG | 13.37 | |||
| 11 | 49 | Sylvia Malgadey-Forgrave |  CAN | 13.42 | |||
| 12 | 281 | Maria Usifo |  NGR | 13.52 | |||
| 13 | 77 | Liu Huajin |  CHN | 13.57 | |||
| 14 | 47 | Sue Kameli | CAN | 13.65 | |||
| 15 | 84 | Cécile Ngambi |  CMR | 13.70 | |||
| 16 | 242 | Sophia Hunter |  JAM | 13.84 |
| Pos | Lane | Competitor | NOC | Time (Automatic) | ||
|---|---|---|---|---|---|---|
| 1 | 4 | Kim Turner | USA | 13.11 | ||
| 2 | 2 | Shirley Strong | GBR | 13.16 | ||
| 3 | 3 | Marie-Noëlle Savigny | FRA | 13.30 | ||
| 4 | 1 | Pam Page | USA | 13.36 | ||
| 5 | 6 | Edith Oker | FRG | 13.37 | ||
| 6 | 8 | Sylvia Malgadey-Forgrave | CAN | 13.42 | ||
| 7 | 7 | Cécile Ngambi | CMR | 13.70 | ||
| 8 | 5 | Sophia Hunter | JAM | 13.84 |
| Pos | Lane | Competitor | NOC | Time (Automatic) | ||
|---|---|---|---|---|---|---|
| 1 | 6 | Benita Fitzgerald-Brown | USA | 12.98 | ||
| 2 | 4 | Michèle Chardonnet | FRA | 13.09 | ||
| 3 | 1 | Glynis Nunn | AUS | 13.14 | ||
| 4 | 8 | Ulrike Denk | FRG | 13.20 | ||
| 5 | 5 | Sharon Danville | GBR | 13.35 | ||
| 6 | 3 | Maria Usifo | NGR | 13.52 | ||
| 7 | 2 | Liu Huajin | CHN | 13.57 | ||
| 8 | 7 | Sue Kameli | CAN | 13.65 |
