| W | World Outdoor 2025 | 45.94 | Karsten Warholm | NOR | 8/3/2021 | Tokyo, JPN |
| A | American Outdoor 2025 | 46.17 | Rai Benjamin | Nike | 8/3/2021 | Tokyo, JPN |
| C | College Outdoor 2025 | 47.56 | Rai Benjamin | So. California | 6/8/2018 | Eugene, OR |
| OV | OVC championship | 50.14 | Russell Holloway | M.T.S.U. | 1977 | |
| S | Facility | 49.11 | Tranel Hawkins | Angelo State | 1984 |
| Lane | # | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|---|
| 1 | 272 | GORDON, MARCUS | SO | SE MISSOURI |
55.92 |
| 2 | 545 | WARD, JA'KOBE | JR | TENNESSEE-MARTIN |
|
| 3 | 147 | EDWARDS, AIDAN | FR | LITTLE ROCK |
53.83 |
| 4 | 158 | MOORE, TYLER | JR | LITTLE ROCK |
51.82 |
| 5 | 352 | LEHMAN, TAYLOR | SR | SIU EDWARDSVILLE |
53.23 |
| 6 | 465 | THORPS, KYLEN | SO | TENNESSEE ST. |
54.07 |
| 7 | 354 | MCCLAINE , SIMON | SO | SIU EDWARDSVILLE |
54.89 |
| 8 | 64 | MILLER, TYLER | FR | EASTERN ILLINOIS |
55.25 |
| Lane | # | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|---|
| 2 | 64 | MILLER, TYLER | FR | EASTERN ILLINOIS |
55.66 |
| 3 | 464 | TEIXEIRA, BOBBY | FR | TENNESSEE ST. |
56.52 |
| 4 | 147 | EDWARDS, AIDAN | FR | LITTLE ROCK |
53.59 |
| 5 | 352 | LEHMAN, TAYLOR | SR | SIU EDWARDSVILLE |
52.00 |
| 6 | 465 | THORPS, KYLEN | SO | TENNESSEE ST. |
55.03 |
| 7 | 463 | SPARKS, BRYCE | JR | TENNESSEE ST. |
1:01.04 |
| Lane | # | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|---|
| 2 | 545 | WARD, JA'KOBE | JR | TENNESSEE-MARTIN |
55.88 |
| 3 | 354 | MCCLAINE , SIMON | SO | SIU EDWARDSVILLE |
54.25 |
| 4 | 158 | MOORE, TYLER | JR | LITTLE ROCK |
50.82 |
| 5 | 272 | GORDON, MARCUS | SO | SE MISSOURI |
53.94 |
| 6 | 599 | TOWNSEND, BRIAN | SO | TENNESSEE ST. |
55.77 |