Heats
lundi 10 septembre 2018, 10h30 GMT – 18h00 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Amel Melih | Algeria | 29.91″ |
| 2 | Samiha Mohsen | Egypt | + 0.05″ |
| 3 | Hannah Kiely | South Africa | + 0.72″ |
| 4 | Hiba Fahsi | Morocco | + 0.85″ |
| 5 |  Erin Gallagher | South Africa | + 0.92″ |
| 6 | Farah Ben Khelil | Tunisia | + 0.99″ |
| 7 | Camille Koenig | Mauritius | + 1.61″ |
| 8 | Imara-Bella Thorpe | Kenya | + 2.29″ |
| 9 | Catarina Sousa | Angola | + 2.39″ |
| 10 | Imene Kawthar Zitouni | Algeria | + 2.45″ |
| 11 | Yasmeen Boutouil | Morocco | + 2.52″ |
| 12 | Jeanne Boutbien | Senegal | + 3.4″ |
| 13 | Ada Thioune | Senegal | + 3.42″ |
| 14 | Therese Soukup | Seychelles | + 3.79″ |
| 15 | Therese Soukup | Seychelles | + 3.8″ |
| 16 | Jannat Bique | Mozambique | + 5.53″ |
| 17 | Ssubi Katumba | Uganda | + 6.5″ |
| 18 | Nafissath Radji | Benin | + 9.01″ |
| Kegbe Mappy | Nigeria | DNS | |
| Okolugbo Chinoye | Nigeria | DNS |