| Event | Heat | Status | |
|---|---|---|---|
| Men 400 M Hurdles (Prelims) | 2|3 | ||
| Thursday 7:50 PM |
| Record | Athlete | Date | ||
|---|---|---|---|---|
| MR | Big 12 | Nathaniel Ezekiel - Baylor | 47.89 | 2025 |
| FR | Facility | Jeshua Anderson - Washington State | 48.13 | 2011 |
| Pl | Ln | Athlete | Time | |
|---|---|---|---|---|
| 1 | 7 | Yan VAZQUEZ 13 Arizona [SR] |
50.74 Q | |
| 2 | 6 | Alec CARR 51 Iowa State [SR] |
50.89 Q =PB | |
| 3 | 5 | William KING IV 77 Houston [FR] |
51.10 PB | |
| 4 | 3 | Jayden JESSEE BYU [SO] |
51.11 PB | |
| 5 | 8 | Garrett COPELIN 37 BYU [SO] |
51.49 | |
| 6 | 9 | Devan MATHIS Kansas [FR] |
51.54 PB | |
| 7 | 4 | Cameron ROHDE Arizona [FR] |
54.13 |