400m Men Semi Final, Heat:3 of 3 ; Official result since 13:31
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 5 | 122 | Johnson Chidera | De Joshu | 46.13 | ||||
| 2 | 6 | 432 | Nathaniel Samson | Police | 46.62 | ||||
| 3 | 7 | 390 | Sewekan Thovoetin | Osheku | 47.04 | ||||
| 4 | 4 | 536 | Raphael Chimezie EGBUCHILEM | 47.43 | |||||
| 5 | 3 | 263 | Emmanuel Salubi | Edo | 47.80 | ||||
| 6 | 8 | 366 | Badejo Emmanuel | Ogun | 48.41 | ||||
| 7 | 1 | 274 | Badmus Gafar | ELELE | 48.85 | ||||
| 8 | 2 | 270 | Ajayi Kehinde | Ekiti | 52.42 |