400m men, Heat:1 of 2 ; Official result
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 6 | 3191 | Bultheel Michael | FLAC | Sen | 47.51 | |||
| 2 | 4 | 1574 | Destatte Arnaud | BAEX | Sen | 47.59 | |||
| 3 | 5 | 2117 | Vanryckeghem Vincent | LYRA | Sen | 47.76 | |||
| 4 | 3 | 3024 | Briers Kristof | VAC | Sen | 48.55 | |||
| 5 | 7 | 9342 | Sean Watson | GBR | Sen | 49.12 | |||
| 6 | 2 | 9433 | Blauwhof Bjorn | NED | JUN | 49.20 |