400m men, Heat:1 of 2 ; Official result
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 7 | 9116 | Mamoudou-Elimane Hanne | FRA | Sen | 45.44 | |||
| 2 | 5 | 1715 | Vanderbemden Robin | SER | Sen | 45.65 | |||
| 3 | 9 | 9392 | Liemarvin Bonevaria | NED | Sen | 45.77 | |||
| 4 | 4 | 9370 | Freitas HenriquesAnderson | BRA | Sen | 46.24 | |||
| 5 | 8 | 1247 | Watrin Julien | DAMP | Sen | 46.95 | |||
| 6 | 3 | 9383 | Ferguson O'Jay | BAH | Sen | 47.01 | |||
| 7 | 6 | 9181 | Atine-Venel Teddy | FRA | Sen | 1:27.73 |