| Final Wind +2.5m/s | Team | time | | 1. Oludamola Osayomi | NGR | 10.90s | | 2. Blessing Okagbare | NGR | 11.01s | | 3. Gloria Asunmu | NGR | 11.26s | | 4. Vida Anim | GHA | 11.37s | | 5. Delphine Atangana | CMR | 11.56s | | 6. Charlotte Mebenga | CMR | 11.62s | | 7. Marie Jose Ta Lou | CIV | 11.66s | | 8. Fanny Laure Appes Ekenga | CMR | 11.75s |
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| Heats - Sunday 11.09 - First 2 and Best 2 progress. |
| Heat 1 Wind -1.1m/s | Team | time | | 1. Oludamola Osayomi | NGR | 11.63s | | 2. Delphine Atangana | CMR | 11.69s | | 3. Phobay Kutu | LBR | 11.88s | | 4. Globine Mayova | NAM | 11.97s | | 5. Beatrice Gyaman | GHA | 11.99s | | 6. Albertine Ndikert Hinikissia | CHA | 12.45s | | 7. Djenebou Dante | MLI | 12.48s | | 8. Lorene Bazolo | CGO | 12.50s | | 9. Bonko Camara Salif | MTN | 14.2-s |
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| Heat 2 Wind +0.5m/s | Team | time | | 1. Gloria Asunmu | NGR | 11.40s | | 2. Vida Anim | GHA | 11.59s | | 3. Fanny Laure Appes Ekanga | CMR | 11.86s | | 4. Estelle Rabotovao | MAD | 12.10s | | 5. Anatercia Quive | MOZ | 12.11s | | 6. Fetiya Kedir Hassen | ETH | 12.24s | | 7. Saruba Colley | GAM | 12.39s | | 8. Fernanda Joao Muquixt | ANG | 13.28s |
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| Heat 3 Wind +1.4m/s | Team | time | | 1. Blessing Okagbare | NGR | 11.29s | | 2. Marie-Jose Ta Lou | CIV | 11.56s | | 3. Charlotte Mebenga | CMR | 11.79s | | 4. Flings Owusu Agyapong | GHA | 11.88s | | 5. Mariette Mien | BUR | 12.20s | | 6. Justin Bayiga | UGA | 12.33s |
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