400 m M (Dec) | M | 400(10) | WM400 | Heat 1 | 2023-07-22 | 18:00:00 | 18:01:46 | | | | | | | |
| | | | | | | | | | | | | | |
1 | 5 | 1 | | BENKUNSKAS Edgaras | 99-05-28 | LITHUANIA | 49.81/21 | 50.28 | 49.73 | | 0.223 | PB | 827 | 4 |
2 | 6 | 1 | | HELCELET Adam | 91-10-27 | CZECH REPUBLIC | 48.66/11 | 50.27 | 50.31 | | 0.183 | | 800 | 6 |
3 | 7 | 1 | | PITTOMVILS Niels | 92-07-18 | BELGIUM | 48.94/14 | 50.63 | 50.40 | | 0.206 | SB | 796 | 8 |
4 | 3 | 1 | | HORBOWICZ Rafał | 98-04-01 | POLAND | 50.68/19 | 50.87 | 51.54 | | 0.230 | | 745 | 9 |
| 4 | 1 | | VAN DER PLAETSEN Thomas | 90-12-24 | BELGIUM | 48.64/11 | 50.01 | DNF | | 0.212 | | | |