400m Men ; Official result since 19:19
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 3 | 692 | DE SMET Jonas | 46.71 | BEL | Sen | 46.82 | ||
| 2 | 4 | 695 | SACOOR Jonathan | 45.03 | BEL | Sen | 47.25 | ||
| 3 | 5 | 693 | DE VRIENDT Adrien | 47.53 | BEL | Sen | 48.33 | ||
| 4 | 6 | 694 | MERSSEMAN Killian | 47.96 | BEL | Jun | 48.73 |