800m mannen-hommes, Heat:1 of 3 ; Official result
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 4 | 1395 | Crestan Eliott | SMAC | Sen | 1:51.20 | Q | ||
| 2 | 8 | 2545 | Bruyneel Arthur | ACME | Sen | 1:51.97 | q | ||
| 3 | 7 | 1342 | Balhan Robin | SPA | Sen | 1:52.56 | q | ||
| 4 | 6 | 2483 | Engels Thomas | OEH | Sen | 1:52.96 | q | ||
| 5 | 5 | 741 | Leunckens Ward | ABES | Jun | 1:53.59 | |||
| 6 | 3 | 3437 | Dierckx Toon | VOLH | Sen | 1:53.59 | |||
| 7 | 9 | 1368 | Jacquemin Julian | WACO | Sen | 1:54.53 | |||
| 8 | 1 | 1786 | Lattanzio Benjamin | ACLO | Sen | 1:56.22 | |||
| 9 | 2 | 502 | Vanherck Jorne | VMOL | Jun | 1:56.65 | |||
| 10 | 9 | 2838 | Van Assche Sander | AVLO | Sen | 1:57.43 | |||
| 11 | 1 | 564 | Van Rijckeghem Jarich | EA | Jun | 1:58.28 |