| Event | Status |
|---|---|
| Men 400 M Hurdles Open (Semis) | |
| Saturday 1:22 PM | Total Races: 2 |
| Record | Athlete | Date | ||
|---|---|---|---|---|
| MR | Meet | Rai Benjamin - Nike | 46.83 | 6/26/2021 |
| FR | Hayward | Rai Benjamin - USA | 46.83 | 6/26/2021 |
| AR | American | Rai Benjamin - Nike | 46.17 | 8/3/2021 |
| WR | World | Karsten Warholm - NOR | 45.94 | 8/3/2021 |
| WQ | World Qualifier | 48.90 |
| Pl | Athlete | Time | Semi (pl) | React | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Rai BENJAMIN Nike | 47.93 | Q | 1 (1) | 0.198 | |||||
| 2 | Khallifah ROSSER Unattached | 48.34 | Q | 2 (1) | 0.256 | |||||
| 3 | Trevor BASSITT Unattached | 48.38 | Q | 1 (2) | 0.212 | PB | ||||
| 4 | Quincy HALL adidas | 48.43 | Q | 2 (2) | 0.207 | |||||
| 5 | CJ ALLEN Unattached | 48.75 | Q | 2 (3) | 0.199 | SB | ||||
| 6 | Quincy DOWNING Tracksmith | 48.86 | Q | 1 (3) | 0.157 | SB | ||||
| 7 | Amere LATTIN adidas | 49.20 | q | 2 (4) | 0.193 | SB | ||||
| 8 | Aldrich BAILEY Unattached | 49.35 | q | 1 (4) | 0.219 | |||||
| 9 | James SMITH Texas A&M | 49.46 | 2 (5) | 0.248 | ||||||
| 10 | David KENDZIERA Unattached | 49.58 | 1 (5) | 0.230 | ||||||
| 11 | Cass ELLIOTT Washington | 50.68 | 1 (6) | 0.214 | ||||||
| 12 | Quivell JORDAN-BACOT Houston | 50.83 | 1 (7) | 0.189 | ||||||
| 13 | Christopher ROBINSON South Plains | 50.96 | 1 (8) | 0.236 | ||||||
| 14 | Isaiah LEVINGSTON Oklahoma | 51.15 | 2 (6) | 0.234 | ||||||
| 15 | William SPENCER South Carolina | 51.99 | 2 (7) | 0.190 | ||||||
| 16 | Drake SCHNEIDER Montana St | 52.30 | 2 (8) | 0.237 |