| Event | Heat | Status | |
|---|---|---|---|
| Men 400 M Hurdles Open (Prelims) | 1| | ||
| Friday 6:16 PM |
| Record | Athlete | Date | ||
|---|---|---|---|---|
| WR | World | Karsten Warholm - NOR | 45.94 | 8/3/2021 |
| AR | American | Rai Benjamin - Nike | 46.17 | 8/3/2021 |
| MR | Meet | Rai Benjamin - Nike | 46.83 | 6/26/2021 |
| FR | Facility | Alison dos Santos - BRA | 46.29 | 7/19/2022 |
| WQ | World Champ Q | 48.70 |
| Pl | Ln | Athlete | Time | ||
|---|---|---|---|---|---|
| 1 | 6 | CJ ALLEN Asics |
49.50 Q | 0.206 | |
| 2 | 7 | Khallifah ROSSER Nike |
49.67 Q | 0.237 | |
| 3 | 3 | David KENDZIERA Unattached |
49.72 Q | 0.269 | |
| 4 | 2 | Bryce MCCRAY Texas A&M |
50.44 Q | 0.292 | |
| 5 | 5 | Julien GILLUM Iowa |
50.53 | 0.223 | |
| 6 | 8 | Sam HARTMAN Edinboro |
51.49 | 0.252 | |
| 7 | 4 | David-Marquis PATRICK Unattached |
52.83 =SB | 0.218 | |
| 8 | 1 | Jonathan BIRCHMAN Washington |
53.38 | 0.229 |