| Event | Semi | Status | |
|---|---|---|---|
| Men 400 M Hurdles Open (Semis) | 2|2 | ||
| Saturday 1:22 PM |
| 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 | Ln | Athlete | Time | ||
|---|---|---|---|---|---|
| 1 | 7 | Khallifah ROSSER Unattached |
48.34 Q | 0.256 | |
| 2 | 4 | Quincy HALL adidas |
48.43 Q | 0.207 | |
| 3 | 5 | CJ ALLEN Unattached |
48.75 Q SB | 0.199 | |
| 4 | 6 | Amere LATTIN adidas |
49.20 SB | 0.193 | |
| 5 | 3 | James SMITH Texas A&M |
49.46 | 0.248 | |
| 6 | 8 | Isaiah LEVINGSTON Oklahoma |
51.15 | 0.234 | |
| 7 | 9 | William SPENCER South Carolina |
51.99 | 0.190 | |
| 8 | 2 | Drake SCHNEIDER Montana St |
52.30 | 0.237 |