| W | World Outdoor | 46.78 | Kevin Young | USA | 8/6/1992 | Barscelona, ESP |
| A | American Outdoor | 46.78 | Kevin Young | Foot Locker AC | 8/6/1992 | Barcelona, ESP |
| C | College Outdoor | 47.56 | Rai Benjamin | So. California | 6/8/2018 | Eugene, OR |
| VT | Vanderbilt Track | 48.29 | Kerron Clement | Florida | 5/15/2005 |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 3 | BARNHART, NOAH | JR | BELMONT |
58.20 | Vanderbilt Black & Gold Invitational |
| 4 | RODGERS, OMAR | SO | SO ILLINOIS |
53.45 | SIUC Bill Cornell Invite |
| 5 | PITKIN, TOM | JR | BUTLER |
52.70 | Illinois State Redbird Invitational |
| 6 | HOROWITZ, GARRETT | SO | BELMONT |
57.28 | Margaret Simmons Invite |
| 7 | MURRELL, CAMERON | SR | TN-MARTIN |
58.49 | OVC Championship |