| Semi 1 wind +0.5 | Team | time | | 1. Mary Onyali Omagbemi | NGR | 11.18s | | 2. Delphine Atangana | CMR | 11.24s | | 3. Amandine Allou Affoue | CIV | 11.49s | | 4. Winnet Dube | ZIM | 11.53s | | 5. Aminata Diouf | SEN | 11.58s | | 6. Dikeledi Rosinah Moropane | RSA | 11.78s | | 7. Elisa Cossa | MOZ | 11.99s | | 8. Veronica Wabukawo | UGA | 12.05s |
| Semi 2 wind 0.0 | Team | time | | 1. Endurance Ojokolo | NGR | 11.16s | | 2. Vida Anim | GHA | 11.29s | | 13. Geraldine Pillay | RSA | 11.39s | | 4. Emem Edem | NGR | 11.63s | | 5. Kadiatou Camara | MLI | 11.67s | | 6. Hellen Chemtai | KEN | 12.02s | | 7. Justine Bayiga | UGA | 12.05s | | -. Fatoumata Coly | SEN | DNS |
|
| Heats - Saturday 11.10 - First 4 progress. |
| Heat 1 wind +0.4 | Team | time | | 1. Mary Onyali-Omagbemi | NGR | 11.24s | | 2. Geraldine Pillay | RSA | 11.42s | | 3. Hellen Chemtai | KEN | 11.98s | | 4. Elisa Cossa | MOZ | 12.02s | | 5. Veronica Wabukawo | UGA | 12.10s | | 6. Aissatou Badji | SEN | 12.34s | | 7. Aminata Kamissoko | MTN | 13.75s | | -. Alice Ayard | CAF | DNS |
|
| Heat 2 wind -0.1 | Team | time | | 1. Endurance Ojokolo | NGR | 11.33s | | 2. Delphine Bertille Atangana | CMR | 11.39s | | 3. Amandine Allou Affoue | CIV | 11.69s | | 4. Dikeledi Rosinah Moropane | RSA | 11.84s | | 5. Roseline Amara | SLE | 13.03s | | -. Maria Conjungo | CAF | DNS | | -. Marie-Jeanne Binga | GAB | DNS | | -. M'mah Toure | GUI | DNS |
|
| Heat 3 wind -0.3 | Team | time | | 1. Aminata Diouf | SEN | 11.61s | | 2. Emem Edem | NGR | 11.79s | | 3. Justine Bayiga | UGA | 12.12s | | 4. Sandra Chimwanza | ZIM | 12.40s | | 5. Hawanatu Bangura | SLE | 12.71s | | 6. Marang Kinteh | GAM | 12.79s | | -. Lucie Akatty | CIV | DNS | | -. Genevieve Obone | GAB | DNS |
|
| Heat 4 wind +0.1 | Team | time | | 1. Vida Anim | GHA | 11.35s | | 2. Kadiatou Camara | MLI | 11.61s | | 3. Winnet Dube | ZIM | 11.69s | | 4. Fatoumata Coly | SEN | 12.15s | | 5. Sarah Bonah | SLE | 12.18s | | 6. Michelle Banga Mondzoula | CGO | 12.26s | | 7. Assetou Bamba | CIV | 12.36s | | 8. Ivonnde Djato | CHA | 12.56s | | -. Mariette Mien | BUR | DNS |
|
|