| Event | Heat | Status | |
|---|---|---|---|
| Men 400 M Toyota Open (Prelims) | 1| | ||
| Thursday 7:52 PM |
| Record | Athlete | Date | ||
|---|---|---|---|---|
| MR | Meet | Michael Johnson - Nike | 43.44 | 6/19/1996 |
| FR | Hayward | Michael Norman - USA | 43.60 | 5/28/2022 |
| AR | American | Michael Johnson - Nike | 43.18 | 8/26/1999 |
| WR | World | Wayde Van Niekerk - RSA | 43.03 | 8/14/2016 |
| WQ | World Qualifier | 44.90 |
| Pl | Ln | Athlete | Time | ||
|---|---|---|---|---|---|
| 1 | 8 | Michael NORMAN Nike |
44.72 Q | 0.217 | |
| 2 | 3 | Bryce DEADMON Nike |
45.31 Q | 0.178 | |
| 3 | 9 | Willington WRIGHT Texas |
45.54 Q | 0.296 | |
| 4 | 5 | Johnnie BLOCKBURGER U S C |
46.09 | 0.204 | |
| 5 | 7 | Jaron FLOURNOY Nike |
46.21 | 0.210 | |
| 6 | 6 | Trevor STEWART Puma |
46.74 | 0.220 | |
| 7 | 4 | Jeremiah CURRY S F A |
46.75 | 0.217 | |
| 8 | 2 | DaeQwan BUTLER Florida St |
47.03 | 0.189 |