Heats
mercredi 12 septembre 2018, 10h30 GMT – 18h00 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Yusuf Tibazi | Morocco | 24.28″ |
| 2 | Ali Khalafalla | Egypt | + 0.29″ |
| 3 | Abeiku Jackson | Ghana | + 0.35″ |
| 4 | Ralph Goveia | Zambia | + 0.43″ |
| 5 | Abdelrahman Sameh | Egypt | + 0.55″ |
| 6 | Alard Basson | South Africa | + 0.81″ |
| 7 | Bradley Vincent | Mauritius | + 1.18″ |
| 8 | Daniel Francisco | Angola | + 1.77″ |
| 9 | Souhail Hamouchane | Morocco | + 1.78″ |
| 10 | Benabid Aimene | Algeria | + 1.89″ |
| 11 | Filipe Gomes | Malawi | + 2.16″ |
| 12 | Adama Niane | Senegal | + 2.35″ |
| 13 | Adam Moncherry | Seychelles | + 2.43″ |
| 14 | Kobe Ndebele | South Africa | + 2.47″ |
| 15 | Isiaka Irankunda | Rwanda | + 2.87″ |
| 16 | Herinirina John Rakotomavo | Madagascar | + 2.97″ |
| 17 | Belly-Cresus Ganira | Burundi | + 3.2″ |
| 18 | Mathieu Marquet | Mauritius | + 3.27″ |
| 19 | Chase Onorati | Zimbabwe | + 3.3″ |
| 19 | Swaleh Abubakar Talib | Kenya | + 3.3″ |
| 21 | Troy Pina | Cape Verde | + 3.56″ |
| 22 | Billy Scott Irakoze | Burundi | + 3.72″ |
| 23 | Omondi Alvin | Kenya | + 4.01″ |
| 23 | Paco Edilson | Mozambique | + 4.01″ |
| 25 | Mohammed Jibali | Libya | + 4.11″ |
| 26 | Mamba Sithembiso | Eswatini | + 4.4″ |
| 27 | Simanga Dlamini | Eswatini | + 4.58″ |
| 28 | Adnan Adam Kabuye | Uganda | + 4.96″ |
| 29 | Salih Ahmed Izzeldin | Sudan | + 5.09″ |
| 30 | Ayaan Aziz Chand | Botswana | + 5.22″ |
| 31 | Sebikiri Maemo | Botswana | + 6.23″ |
| 32 | Zinhle Bekker | Botswana | + 6.62″ |
| 33 | Jefferson Kpanou | Benin | + 9.12″ |
| Jona Sokomayi Mubikayi | DR Congo | DNS | |
| Opute Onyemeehi | Nigeria | DNS |