| Athlete | Team | Best | ||||||
|---|---|---|---|---|---|---|---|---|
| Humphreys, Karlos | St. Mary (Kan.) |
48.10
4/24-25 |
48.26
5/1-2 |
48.39
4/17-18 |
48.46
3/21-22 |
48.60
3/27 |
49.05
4/4 |
