| Event | Heat | Status | |
|---|---|---|---|
| Men 400 M Dash (Prelims) | 4|6 | ||
| Friday 6:50 PM |
| Record | Athlete | Date | ||
|---|---|---|---|---|
| MR | Big 12 | Jonathan Jones - Texas | 44.43 | 2022 |
| FR | Facility | Lewis Banda - Arizona State | 44.58 | 2004 |
| Pl | Ln | Athlete | Time | |
|---|---|---|---|---|
| 1 | 7 | Malik FRANKLIN 63 Baylor [SO] |
45.80 Q PB | |
| 2 | 5 | DeSean BOYCE 21 Texas Tech [SR] |
46.07 | |
| 3 | 6 | Grant LOCKWOOD Kansas [SR] |
46.55 | |
| 4 | 8 | Josh BOUR Texas Tech [SR] |
46.70 | |
| 5 | 3 | John APEL Cincinnati [FR] |
47.60 | |
| 6 | 9 | Duaine MAYRANT Arizona State [FR] |
47.62 | |
| 7 | 4 | Jack MARKSTROM Kansas [SO] |
48.21 SB |