| American | 46.78 | Kevin Young | 9/6/1992 | |
| College | 47.02 | Raj Benjamin | 6/8/2018 | |
| MFR | Memphis Outdoor | 50.15 | Richard Lowe | 2011 |
| PL | Athlete | Team | Time |
|---|---|---|---|
| 1 | WOOD, Brock | SE Missouri |
54.03 |
| 2 | PATTERSON, Teylen | Little Rock |
54.24 |
| 3 | SIMPSON, Jacari | Memphis |
55.03 |
| 4 | KNAPP, Cole | SIU Edwardsville |
55.54 |
| 5 | MCGOWAN, Zachariah | Ark-Pine Bluff |
56.24 |
| 6 | LEHMAN, Taylor | SIU Edwardsville |
56.77 |
| 7 | BELCHER, Caden | SIU Edwardsville |
57.92 |
| 8 | WILLIAMS, Tylan | 1:00.23 | |
| CRESPI, Marc | DNS |
| HPL | Athlete | Team | Time |
|---|---|---|---|
| 1 | WOOD, Brock | SE Missouri | 54.03 |
| 2 | PATTERSON, Teylen | Little Rock | 54.24 |
| 3 | SIMPSON, Jacari | Memphis | 55.03 |
| 4 | KNAPP, Cole | SIU Edwardsville | 55.54 |
| 5 | MCGOWAN, Zachariah | Ark-Pine Bluff | 56.24 |
| 6 | LEHMAN, Taylor | SIU Edwardsville | 56.77 |
| 7 | BELCHER, Caden | SIU Edwardsville | 57.92 |
| 8 | WILLIAMS, Tylan | 1:00.23 | |
| CRESPI, Marc | DNS |