| Event | Heat | Status | |
|---|---|---|---|
| Men 400 M Toyota Open (Prelims) | 4| | ||
| Thursday 5:23 PM |
| Record | Athlete | Date | ||
|---|---|---|---|---|
| WR | World | Wayde Van Niekerk - RSA | 43.03 | 8/14/2016 |
| AR | American | Michael Johnson - Nike | 43.18 | 8/26/1999 |
| MR | Meet | Michael Johnson - Nike | 43.44 | 6/19/1996 |
| FR | Facility | Michael Norman - USA | 43.60 | 5/28/2022 |
| WQ | World Champ Q | 45.00 |
| Pl | Ln | Athlete | Time | ||
|---|---|---|---|---|---|
| 1 | 6 | Quincy HALL adidas / Ultra Sports Llc |
45.21 Q | 0.219 | |
| 2 | 4 | Matthew BOLING Georgia |
45.53 Q PB | 0.222 | |
| 3 | 7 | Jacory PATTERSON Florida |
45.98 Q | 0.185 | |
| 4 | 1 | Brian HERRON Texas |
46.37 | 0.173 | |
| 5 | 3 | Zarik BROWN Oklahoma |
46.76 | 0.199 | |
| 6 | 5 | Wil LONDON Unattached |
48.73 | 0.246 | |
| DNS | 2 | Elija GODWIN Georgia |
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| DNS | 8 | Kahmari MONTGOMERY Nike |
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