Heats
mercredi 12 septembre 2018, 10h30 GMT – 18h00 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Mohamed Aziz Ghaffari | Tunisia | 52.04″ |
| 2 | Mohamed Samy El Sayed | Egypt | + 0.08″ |
| 3 | Bradley Vincent | Mauritius | + 0.21″ |
| 4 | Ali Khalafalla | Egypt | + 0.41″ |
| 5 | Jacques Van Wyk | South Africa | + 0.43″ |
| 6 | Matthew Bowers | South Africa | + 0.54″ |
| 7 | Adama Niane | Senegal | + 0.98″ |
| 8 | Abeiku Jackson | Ghana | + 1.41″ |
| 9 | Mohamed-Ali Chaouachi | Tunisia | + 1.79″ |
| 10 | Samy Boutouil | Morocco | + 1.8″ |
| 11 | Filipe Gomes | Malawi | + 2.02″ |
| 12 | Ovesh Purahoo | Mauritius | + 2.45″ |
| 13 | Dean Hoffman | Seychelles | + 2.46″ |
| 14 | Swaleh Abubakar Talib | Kenya | + 2.58″ |
| 15 | Ahllan Bique | Mozambique | + 3.26″ |
| 16 | Mohammed Jibali | Libya | + 3.77″ |
| 17 | Daniel Francisco | Angola | + 4.25″ |
| 18 | Mario Ervedosa | Angola | + 4.27″ |
| 19 | Atuhaire Ambala | Uganda | + 4.51″ |
| 20 | Belly-Cresus Ganira | Burundi | + 4.69″ |
| 21 | Billy Scott Irakoze | Burundi | + 4.92″ |
| 22 | Chase Onorati | Zimbabwe | + 5.01″ |
| 23 | Herinirina John Rakotomavo | Madagascar | + 5.52″ |
| 24 | Adnan Adam Kabuye | Uganda | + 6.03″ |
| 25 | Isiaka Irankunda | Rwanda | + 6.12″ |
| 26 | Adam Moncherry | Seychelles | + 7.42″ |
| 27 | Mamba Sithembiso | Eswatini | + 8.87″ |
| 28 | Ayaan Aziz Chand | Botswana | + 9.01″ |
| 29 | Emmett Liam | Eswatini | + 9.02″ |
| 30 | Zinhle Bekker | Botswana | + 10.13″ |
| 31 | Sebikiri Maemo | Botswana | + 10.88″ |
| 32 | Houssein Gaber Ibrahim | Djibouti | + 16.07″ |
| 33 | Omar Darboe | Gambia | + 16.66″ |
| 34 | Jegan Jobe | Gambia | + 19.67″ |
| Heriniavo Rasolonjatovo | Madagascar | DNS | |
| Isobo Confidence | Nigeria | DNS | |
| Jona Sokomayi Mubikayi | DR Congo | DNS |