| Venue: Olympic Stadium - Moulay Abdellah Sports Complex. Final: Wednesday 28th August 2019 18:29 |
| Final wind -0.6 m/s | time | L | React. | Birth | | 1. Tobi Amusan |  Nigeria | 12.68s GR | 4 | 0.149 | 23 Apr 1997 | | 2. Marthe Koala |  Burkina Faso | 13.20s | 7 | 0.166 | 08 Mar 1994 | | 3. Taylon Bieldt |  South Africa | 13.40s | 9 | 0.148 | 04 Nov 1998 | | 4. Grace Ayemoba | Nigeria | 13.46s | 2 | 0.159 | 26 Dec 1981 | | 5. Rosvitha Bodjiho Okou |  Ivory Coast | 13.72s | 6 | 0.123 | 05 Sep 1986 | | -. Karel Elodie Ziketh | Ivory Coast | DNF | 5 | | 23 Sep 1991 | | -. Sidonie Fiadanantsoa |  Madagascar | DNF | 8 | | 30 Apr 1999 | | -. Kemi Francis | Nigeria | DNF | 3 | | 07 Mar 1993 |
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| | | First 3 from each of 2 heats and Best 2 times advanced to Final. |
| Ranking | time | | H | | 1. Tobi Amusan | Nigeria | 12.69s | Q | 1 1. | | 2. Marthe Koala | Burkina Faso | 13.12s | Q | 2 1. | | 3. Karel Elodie Ziketh | Ivory Coast | 13.30s | Q | 2 2. | | 4. Taylon Bieldt | South Africa | 13.54s | Q | 2 3. | | 5. Grace Ayemoba | Nigeria | 13.59s | q | 2 4. | | 6. Rosvitha Bodjiho Okou | Ivory Coast | 13.63s | Q | 1 2. | | 7. Sidonie Fiadanantsoa | Madagascar | 13.68s | Q | 1 3. | | 8. Kemi Francis | Nigeria | 13.86s | q | 1 4. | | 9. Lina Ahmed |  Egypt | 13.97s | | 1 5. | | 10.Adama Faye |  Senegal | 14.20s | | 1 6. | | 11.Odile Ahouanwanou |  Benin | 14.42s | | 2 5. | | 12.Cecilia Guambe |  Mozambique | 14.69s | | 2 6. | | 13.Madina Toure | Burkina Faso | 14.82s | | 1 7. |
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