400m Hurdles Men Semi-final, Heat:1 of 2 ; Official result since 08:50
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 3 | 517 | Ezekiel NATHANIEL | FB | 52.76 | Q | |||
| 2 | 1 | 234 | Oluwabunmi Lateef | Eaglesight | 54.46 | Q | |||
| 3 | 2 | 178 | Martins Agbani Christian | Delta | 54.73 | Q | |||
| 4 | 6 | 574 | Ottoh Peter | Edo | 56.24 | ||||
| 5 | 7 | 222 | Precious Simon | Eaglesight | 56.85 | ||||
| 4 | 162 | Aninze Nicholas | DELTA | DIS | |||||
| 5 | 485 | GLORY JARRETT | DIS |