| Event | Heat | Status | |
|---|---|---|---|
| Men 400 M Toyota Open (Prelims) | 3| | ||
| 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 | 4 | Justin ROBINSON Arizona State |
45.22 Q | 0.207 | |
| 2 | 3 | Trevor STEWART Puma |
45.28 Q | 0.222 | |
| 3 | 5 | Brian FAUST Kentucky |
45.41 Q PB | 0.228 | |
| 4 | 7 | William JONES Usc |
45.73 | 0.276 | |
| 5 | 6 | Matthew MOORER Baylor |
46.35 | 0.168 | |
| 6 | 2 | Paul DEDEWO Tracksmith/Phoenix TC |
46.55 | 0.270 | |
| 7 | 1 | Evan MAFILAS Unattached |
46.94 | 0.265 | |
| 8 | 8 | Jake ULRICH Unattached |
47.73 | 0.259 |