| Athlete | Team | Best | ||||||
|---|---|---|---|---|---|---|---|---|
| 1 | Belding, Jackson | Kansas |
47.24
3/28-29 |
47.45
4/12 |
47.95
4/26 |
48.10
4/17-19 |
48.11
4/17-19 |
48.15
3/22 |
| 2 | Pierce, James | South Dakota St. |
47.24
4/17-18 |
