| Event | Heat | Status | |
|---|---|---|---|
| Men 400 M Hurdles Open (Prelims) | 3|4 | ||
| Friday 6:35 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 | 6 | Quincy HALL adidas |
49.92 Q | 0.275 | |
| 2 | 4 | Amere LATTIN adidas |
50.00 Q | 0.178 | |
| 3 | 5 | Quincy DOWNING Tracksmith |
50.27 Q | 0.185 | |
| 4 | 7 | Quivell JORDAN-BACOT Houston |
50.47 | 0.248 | |
| 5 | 9 | Julien GILLUM Iowa |
52.76 | 0.260 | |
| 6 | 8 | Aaron MCCOY Colorado |
52.90 | 0.202 |