| W | World Outdoor 2025 | 43.03 | Wayne van Niekerk | RSA | 8/14/2016 | Rio de Jameiro, BRA |
| A | American Outdoor 2025 | 43.18 | Michael Johnson | Nike | 8/26/1999 | Seville, ESP |
| C | College Outdoor 2025 | 43.61 | Michael Norman | So. California | 6/8/2018 | Eugene, OR |
| OV | OVC championship | 45.64 | Terrance Branch | SEMO | 1994 | |
| S | Facility | 45.12 | Charles Phillips | Abilene Christian | 1983 |
| Lane | # | Athlete | Yr. | Team |
|---|---|---|---|---|
| 3 | 81 | WOLF, SACH | FR | EASTERN ILLINOIS |
| 4 | 149 | FOX, MATTHEW | SR | LITTLE ROCK |
| 5 | 291 | SCHADLICH, LUIS | FR | SE MISSOURI |
| 6 | 597 | THOMAS, MATTHEW | SO | WESTERN ILLINOIS |
| 7 | 263 | CASEY, JAKE | SR | SE MISSOURI |
| Lane | # | Athlete | Yr. | Team |
|---|---|---|---|---|
| 4 | 76 | STOUT, ZAC | JR | EASTERN ILLINOIS |
| 5 | 176 | YOUNG, PATRICK | JR | LITTLE ROCK |
| 6 | 447 | FAYNE, ISRAEL | JR | TENNESSEE ST. |
| 7 | 150 | FULLER, PRESTON | FR | LITTLE ROCK |