| American | 46.78 | Kevin Young | 9/6/1992 | |
| College | 47.02 | Raj Benjamin | 6/8/2018 | |
| MFR | Memphis Outdoor | 50.15 | Richard Lowe | 2011 |
| Lane | Athlete | Team | Seed |
|---|---|---|---|
| 1 | WILLIAMS, Tylan | 1:04.47 | |
| 2 | LEHMAN, Taylor | SIU Edwardsville |
57.80 |
| 3 | CRESPI, Marc | 55.94 | |
| 4 | MCGOWAN, Zachariah | Ark-Pine Bluff |
54.89 |
| 5 | WOOD, Brock | SE Missouri |
53.53 |
| 6 | PATTERSON, Teylen | Little Rock |
54.40 |
| 7 | KNAPP, Cole | SIU Edwardsville |
55.94 |
| 8 | SIMPSON, Jacari | Memphis |
55.99 |
| 9 | BELCHER, Caden | SIU Edwardsville |
57.83 |