| Rank | Lane | ID | Name | PB | Team | Cat | Result | Video |
| 9165 | HENNEBIQUE QUENTIN | FRA | Sen | 53.00 | ||||
| 630 | VIERBERGEN TOON | VOLH | Cad | 53.27 | ||||
| 2143 | RIJCKMANS JASPER | ROBA | Sch | 53.65 | ||||
| 5363 | BYRNE TIMOTHY | ATLE | Mas | 54.43 | ||||
| 2058 | STEVENS WOUTER | ACP | Sch | 54.78 | ||||
| 471 | SUYS BRIEUC | RCG | Jun | DIS |
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Video |
| 9165 | HENNEBIQUE QUENTIN | FRA | Sen | 53.00 | ||||
| 630 | VIERBERGEN TOON | VOLH | Cad | 53.27 | ||||
| 2143 | RIJCKMANS JASPER | ROBA | Sch | 53.65 | ||||
| 5363 | BYRNE TIMOTHY | ATLE | Mas | 54.43 | ||||
| 2058 | STEVENS WOUTER | ACP | Sch | 54.78 | ||||
| 471 | SUYS BRIEUC | RCG | Jun | DIS |