| W | World Outdoor 2024 | 43.03 | Wayne van Niekerk | RSA | 8/14/2016 | Rio de Jameiro, BRA |
| A | American Outdoor 2024 | 43.18 | Michael Johnson | Nike | 8/26/1999 | Seville, ESP |
| C | College Outdoor 2024 | 43.61 | Michael Norman | So. California | 6/8/2018 | Eugene, OR |
| OV | OVC championship | 45.64 | Terrance Branch | SEMO | 1994 |
| Lane | # | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|---|
| 2 | 318 | AKOMOLAFE, OLADIPO | FR | TENNESSEE ST. |
48.25 |
| 3 | 388 | WHITE, KHALID | SO | TENNESSEE-MARTIN |
47.86 |
| 4 | 317 | AGEE, QUEST | SO | TENNESSEE ST. |
47.76 |
| 5 | 137 | GREY, FRANKIE | JR | LITTLE ROCK |
46.98 |
| 6 | 38 | JOHNSON, RICKY | SR | EASTERN ILLINOIS |
47.68 |
| 7 | 28 | BAILEY, BILLY | FR | EASTERN ILLINOIS |
47.62 |
| 8 | 136 | GARZA, JUAN | JR | LITTLE ROCK |
47.93 |
| 9 | 334 | SIMON JR, NIGEL | SO | TENNESSEE ST. |
47.96 |
| Lane | # | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|---|
| 3 | 373 | ASKEW, JOHN COLLIN | SR | TENNESSEE-MARTIN |
49.01 |
| 4 | 431 | YOUNG, JAIDEN | FR | WESTERN ILLINOIS |
48.44 |
| 5 | 38 | JOHNSON, RICKY | SR | EASTERN ILLINOIS |
48.02 |
| 6 | 329 | JONES, MORGAN | JR | TENNESSEE ST. |
48.27 |
| 7 | 230 | PARHAM, BRENDEN | JR | SE MISSOURI |
48.83 |
| 8 | 210 | BREMA, MOMOH | SR | SE MISSOURI |
50.87 |
| Lane | # | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|---|
| 3 | 280 | SACHA, KONRAD | SO | SIU EDWARDSVILLE |
48.92 |
| 4 | 136 | GARZA, JUAN | JR | LITTLE ROCK |
48.37 |
| 5 | 318 | AKOMOLAFE, OLADIPO | FR | TENNESSEE ST. |
47.77 |
| 6 | 28 | BAILEY, BILLY | FR | EASTERN ILLINOIS |
48.29 |
| 7 | 334 | SIMON JR, NIGEL | SO | TENNESSEE ST. |
48.85 |
| 8 | 171 | GRAY, MICAH | JR | MOREHEAD STATE |
52.26 |
| 9 | 137 | GREY, FRANKIE | JR | LITTLE ROCK |
NT |
| Lane | # | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|---|
| 3 | 383 | SMITH, SAMIR | JR | TENNESSEE-MARTIN |
49.17 |
| 4 | 95 | NOBLE, BRANDON | FR | LINDENWOOD |
48.47 |
| 5 | 229 | MOORE, CONNOR | SO | SE MISSOURI |
48.13 |
| 6 | 388 | WHITE, KHALID | SO | TENNESSEE-MARTIN |
48.17 |
| 7 | 317 | AGEE, QUEST | SO | TENNESSEE ST. |
48.59 |
| 8 | 148 | PETERSON, CHASE | FR | LITTLE ROCK |
49.88 |