400 meter Men Heats, Heat:5 of 7 ; Official result since 12:43
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 4 | 385 | BOCK Mahhad Alexander | 45.8 | NAM | Senior | 46.49 | Q | |
| 2 | 5 | 409 | ADEYEMI Sikiru | 45.93 | NGR | Senior | 46.73 | Q | |
| 3 | 1 | 247 | COLLINS Gichana | KEN | Senior | 47.60 | Q | ||
| 4 | 8 | 401 | CHAIBOU Illa Salifou | 48.8 | NIG | Senior | 49.71 | ||
| 2 | 101 | TETNDAP NSANGOU Aboubakar Sidick | 46.54 | CMR | Senior | DNS | |||
| 3 | 314 | RABEARISON Frank Todisoa | MAD | Senior | DNS | ||||
| 7 | 231 | OTIBO Daniel Yaw mantey | 46.61 | GHA | Senior | DNS |