400 m M | M | 400 | M400 | Heat 2 | 2023-08-21 | 11:00:00 | 11:03:49 | | | | | | | |
| | | | | | | | | | | | | | |
1 | 3 | 2 | 113 | DRACH Sergii | 88-04-02 | UKRAINE | | 49.19 | 51.49 | | | Q | | 4 |
2 | 6 | 2 | 95 | ENCI Tadej | 94-08-19 | SLOVENIA | | 49.09 | 51.71 | | | Q | | 5 |
3 | 5 | 2 | 68 | KULPA Michal Pawel | 87-06-11 | POLAND | | 50.00 | 51.81 | | | Q | | 6 |
4 | 4 | 2 | 108 | SUZEN Yasin | 94-02-10 | TURKEY | | 47.55 | 51.95 | | | q | | 7 |