400 m M | M | 400 | M400 | Heat 1 | 2021-09-05 | 18:35:00 | 18:43:17 | | | | | | | |
| | | | | | | | | | | | | | |
1 | 5 | 1 | 202 | CHERRY Michael | 95-03-23 | USA | 44.03/21 | 44.03 | 44.94 | | 0.229 | | | 1 |
2 | 3 | 1 | 190 | NORWOOD Vernon | 92-04-10 | USA | 44.40/19 | 44.64 | 45.12 | | 0.188 | | | 2 |
3 | 2 | 1 | 178 | LENDORE Deon | 92-10-28 | TRINIDAD AND TOBAGO | 44.36/14 | 44.73 | 45.31 | | 0.308 | | | 3 |
4 | 6 | 1 | 136 | DUSZYƃSKI Kajetan | 95-05-12 | POLAND | 44.92/21 | 44.92 | 45.44 | | 0.194 | | | 4 |
5 | 7 | 1 | 61 | TAYLOR Christopher | 99-10-01 | JAMAICA | 44.79/21 | 44.79 | 45.68 | | 0.218 | | | 5 |
6 | 4 | 1 | 130 | ZALEWSKI Karol | 93-08-07 | POLAND | 45.11/18 | 45.14 | 45.89 | | 0.228 | YC TR 16.5.3 | | 6 |
7 | 8 | 1 | 84 | DOBBER Jochem | 97-07-08 | NETHERLANDS | 45.07/21 | 45.07 | 45.97 | | 0.183 | | | 7 |
8 | 1 | 1 | 51 | O-DONNELL Christopher | 98-05-17 | IRELAND | 45.55/21 | 45.55 | 46.09 | | 0.210 | | | 8 |
9 | 9 | 1 | 70 | BARTLEY Karayme | 95-09-10 | JAMAICA | 45.17/21 | 45.17 | 46.40 | | 0.308 | | | 9 |