400m men, Heat:1 of 3 ; Official result
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 5 | 1028 | Lins Sebastien | RESC | Sen | 48.37 | |||
| 2 | 6 | 854 | Iguacel Christian | AVKA | Jun | 48.64 | |||
| 3 | 3 | 654 | Owusu Dylan | RCG | Jun | 48.96 | |||
| 4 | 7 | 9525 | Jose Luis Alaves Clemente | ESP | Sen | 49.13 | |||
| 5 | 8 | 1488 | Ennamir Mohssine | WS | Sen | 49.33 | |||
| 6 | 2 | 859 | Doraene Elroy | ATLA | Jun | 49.33 | |||
| 7 | 9 | 9637 | Beardsell Rick | GBR | Mas | 49.35 | |||
| 8 | 1 | 310 | Nijs Gaston | RESC | Jun | 50.85 | |||
| 9 | 4 | 516 | Lubon Camille | ADD | Jun | 51.99 |