400m Men National, Heat:1 of 2 ; Official result since 19:07
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 4 | 573 | CHAATOUF TARIK | MAR | Sen | 50.07 | |||
| 2 | 3 | 576 | PUTZ JOSH | GER | Sen | 51.25 | |||
| 3 | 5 | 577 | VAN DEN DRIES THIJS | NED | Sen | 51.79 | |||
| 4 | 6 | 579 | WU CAMPBELL | NZL | Sen | 51.80 |