| Event | Heat | Status | |
|---|---|---|---|
| Women 400 M Dash (Prelims) | 5|5 | ||
| Friday 7:10 PM |
| Record | Athlete | Date | ||
|---|---|---|---|---|
| MR | Big 12 | Courtney Okolo - Texas | 50.03 | 2014 |
| FR | Facility | Rachel Joseph - Iowa State | 50.79 | 2025 |
| Pl | Ln | Athlete | Time | |
|---|---|---|---|---|
| 1 | 6 | Rachel JOSEPH 5 Iowa State [SR] |
50.49 Q PB FR | |
| 2 | 7 | Mekenze KELLEY Texas Tech [SR] |
52.35 SB | |
| 3 | 5 | Marianne BARBER BYU [SO] |
53.57 | |
| 4 | 3 | Kamree WOLRIDGE Houston [FR] |
54.70 | |
| 5 | 9 | Morgan MADDOX TCU [SO] |
55.15 =PB | |
| 6 | 8 | Delaney BRINKER Kansas State [FR] |
55.15 | |
| 7 | 4 | Camila AGUILAR-PEREZ Arizona [SR] |
56.48 |