| W | World Outdoor 2021 | 46.78 | Kevin Young | USA | 8/6/1992 | Barscelona, ESP |
| A | American Outdoor 2021 | 46.78 | Kevin Young | Foot Locker AC | 8/6/1992 | Barcelona, ESP |
| C | College Outdoor 2021 | 47.56 | Rai Benjamin | So. California | 6/8/2018 | Eugene, OR |
| U | C-USA championship | 50.05 | Greg Christie | Houston | 5/13/2000 |
| Lane | # | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|---|
| 1 | 121 | HAIRSTON, MICAH | SO | CHARLOTTE |
54.07 |
| 2 | 647 | COATES-MCBRIDE, JORDAN | FR | NORTH TX |
53.68 |
| 3 | 320 | AZEMIA, NED | JR | UTEP |
52.26 |
| 4 | 934 | CHALDEN, LANDON | FR | SO. MISS. |
52.03 |
| 5 | 147 | REID, AVEON | SO | CHARLOTTE |
51.31 |
| 6 | 343 | SMITH, SHAKEEM | SR | UTEP |
51.83 |
| 7 | 395 | PIROG, ANDREW | SR | UTSA |
51.99 |
| 8 | 152 | SMITH, BRANDON | SR | CHARLOTTE |
52.46 |
| Lane | # | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|---|
| 3 | 343 | SMITH, SHAKEEM | SR | UTEP |
50.45 |
| 4 | 121 | HAIRSTON, MICAH | SO | CHARLOTTE |
54.14 |
| 5 | 948 | SPINKS, KACEY | JR | SO. MISS. |
56.36 |
| 6 | 381 | GREEN, GABRIEL | FR | UTSA |
55.91 |
| 7 | 320 | AZEMIA, NED | JR | UTEP |
52.05 |
| Lane | # | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|---|
| 3 | 441 | DANIELS, DA'MON | FR | F.I.U. |
57.90 |
| 4 | 147 | REID, AVEON | SO | CHARLOTTE |
51.23 |
| 5 | 327 | GRIFFITHS, RONALDO | JR | UTEP |
54.93 |
| 6 | 124 | HAYES, D'ANDRE | SO | CHARLOTTE |
54.26 |
| 7 | 395 | PIROG, ANDREW | SR | UTSA |
51.84 |
| Lane | # | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|---|
| 3 | 132 | LEASTON, JUSTIN | FR | CHARLOTTE |
54.53 |
| 4 | 934 | CHALDEN, LANDON | FR | SO. MISS. |
51.71 |
| 5 | 647 | COATES-MCBRIDE, JORDAN | FR | NORTH TX |
54.50 |
| 6 | 152 | SMITH, BRANDON | SR | CHARLOTTE |
51.81 |