| W | World Outdoor | 45.94 | Karsten Warholm | NOR | 8/3/2021 | Tokyo, JPN |
| A | American Outdoor | 46.78 | Kevin Young | Foot Locker AC | 8/6/1992 | Barcelona, ESP |
| C | College Outdoor 1 | 47.56 | Rai Benjamin | So. California | 6/8/2018 | Eugene, OR |
| M | Meet | 53.91 | Craig Rock | UL-Lafayette | 4/8/2017 |
| Athlete | Yr. | Team | Seed | |
|---|---|---|---|---|
| 1 | MANAGRAM, ANTHONY | SO | PRAIRIE VIEW |
54.81 |
| 2 | TROSEN, ANDREW | SR | LETOURNEAU |
57.25 |
| 3 | BRUMFIELD, BRANDON | UNATTACHED | 59.00 | |
| 4 | MOHAMED, OBIED | SO | MCNEESE STATE |
1:01.93 |
| 5 | FRANCIS, DMARI | FR | MCNEESE STATE |
1:02.58 |
| 6 | LINDBERG, JUSTIN | FR | LETOURNEAU |
1:04.66 |