400m Nat. Hommes, Heat:2 of 4 ; Official result since 18:32
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 5 | 9075 | LACHAUX COUTTET GUILLAUME | 48.77 | FRA | Sen | 50.07 | ||
| 2 | 3 | 1514 | RUTH JEROME | 49.59 | BEL | Sen | 50.50 | ||
| 3 | 6 | 9063 | ALWAZZAN HUSSAIN | 50.48 | KUW | Sen | 50.70 | ||
| 4 | 4 | 1764 | SCHAUWERS FRANCOIS | 50.72 | BEL | Sen | 51.53 | ||
| 5 | 2 | 582 | PUTZEYS ROBBE | 51.67 | BEL | Jun | 51.68 | ||
| 6 | 7 | 1284 | VERVINCKT MAXANT | 51.53 | BEL | Sen | 52.19 |