400m Men Semi Final, Heat:1 of 3 ; Official result since 13:31
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 5 | 600 | Samuel Ogazi | Delta | 46.28 | ||||
| 2 | 6 | 411 | Adeyemi Sikiru | Customs | 46.45 | ||||
| 3 | 7 | 597 | Ackpoekiri Victory | Favour Star | 47.05 | ||||
| 4 | 3 | 425 | Ajayi Oluwabamidele | Police | 47.61 | ||||
| 5 | 1 | 171 | Ighogboja Michael | Delta | 48.03 | ||||
| 6 | 8 | 262 | Emmanuel Copian | Edo | 48.20 | ||||
| 7 | 2 | 82 | Ekpe Maduabuchi | BLESSED | 51.95 | ||||
| 4 | 28 | Dubem Nwachukwu | FB | DNS |