| Event | Heat | Status | |
|---|---|---|---|
| Men 400 M Hurdles Open (Prelims) | 1|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 | 7 | Rai BENJAMIN Nike |
48.41 Q | 0.242 | |
| 2 | 6 | Trevor BASSITT Unattached |
49.07 Q | 0.207 | |
| 3 | 4 | Isaiah LEVINGSTON Oklahoma |
50.36 Q | 0.218 | |
| 4 | 8 | William SPENCER South Carolina |
50.56 | 0.228 | |
| 5 | 5 | Wolf MAHLER Tracksmith |
52.58 | 0.176 | |
| 6 | 3 | TJ HOLMES Unattached |
53.05 | 0.213 | |
| 7 | 9 | Nate BRUNO Athletic Lab |
57.58 | 0.242 |