400 meter mannen, Heat:1 of 5 ; Official result
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 5 | 36 | BLAUWHOF, Bjorn | 00:47.33 | PHNS | SEN | 49.55 | Q | |
| 2 | 6 | 105 | ELLSWORTH, Cliff | 00:49.39 | LYCG | SEN | 49.72 | Q | |
| 3 | 3 | 227 | LEERSUM, Bas Van | 00:49.98 | ZNLD | SEN | 50.16 | ||
| 4 | 2 | 405 | VIS, Vincent van der | 00:51.26 | AV34 | SEN | 50.65 | ||
| 5 | 4 | 367 | SPIERENBURG, Arend-Jan | 00:50.74 | CLFO | SEN | 50.87 | ||
| 6 | 1 | 185 | JUBELS, Bas | 00:51.69 | PHNX | SEN | 52.26 |