400m hommes - mannen, Heat:1 of 2 ; Official result
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 6 | 9821 | Dobber Jochem | NED | Sen | 46.18 | |||
| 2 | 5 | 1900 | Sacoor Jonathan | OEH | Sen | 46.56 | |||
| 3 | 3 | 9764 | Andant Teo | FRA | Sen | 46.89 | |||
| 4 | 8 | 1849 | Iguacel Christian | LYRA | Sen | 47.20 | |||
| 5 | 9 | 9996 | Wardenburg Nout | NED | Sen | 47.31 | |||
| 6 | 4 | 3512 | Snyders Camille | WACO | Sen | 47.78 | |||
| 7 | 7 | 9923 | Parge Robert | ROU | Sen | 48.11 | |||
| 8 | 2 | 2129 | De Smet Jonas | KAAG | Sen | 48.83 |