400m men, Heat:1 of 9 ; Official result
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 4 | 669 | Botterman Aaron | KAAG | Cad | 53.37 | |||
| 2 | 6 | 2647 | Paermentier Gilles | ACME | Sch | 53.70 | |||
| 3 | 5 | 2543 | Bollaert Bram | VS | Sch | 54.92 | |||
| 4 | 7 | 1927 | Jans Rembert | RCG | Sen | 56.52 | |||
| 5 | 2 | 9226 | Snoodijk Jeroen | NED | SCH | 58.23 | |||
| 6 | 3 | 1164 | Nys Gerald | VS | Cad | 58.53 | |||
| 7 | 8 | 996 | Dequick Jeroen | ACP | Cad | 58.86 | |||
| 8 | 1 | 1191 | Van Haut Mitch | EA | Cad | 1:01.45 |