| 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 |
| N | NEC championship | 51.54 | Jim Baughman | Robert Morris | 2000 | |
| I | IC4A | 54.94 |
| Lane | # | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|---|
| 1 | 420 | SEAWRIGHT, MICHAEL | SO | WAGNER |
56.18 |
| 2 | 260 | JOSEPH, DEAN | SO | FDU |
55.68 |
| 3 | 269 | SANDERS, LEO | SO | FDU |
DNS |
| 4 | 278 | FRISA, MATTHEW | SR | LE MOYNE |
56.52 |
| 5 | 245 | ORIAKHI, RAYMOND | SR | CHICAGO STATE |
53.46 |
| 6 | 290 | ALI, NASIR | FR | LIU |
54.58 |
| 7 | 188 | AGWU, KENNY | JR | CENTRAL CONNECTICUT |
55.00 |
| 8 | 199 | CZARNECKI, MAXWELL | SO | CENTRAL CONNECTICUT |
55.53 |
| Lane | # | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|---|
| 3 | 235 | COOPER, ISHAN | SO | CHICAGO STATE |
58.19 |
| 4 | 417 | RODNEY, DANTE | JR | WAGNER |
54.77 |
| 5 | 395 | TINKHAM, WILLIAM | SO | STONEHILL |
56.54 |
| 6 | 278 | FRISA, MATTHEW | SR | LE MOYNE |
54.99 |
| 7 | 238 | KELLEY, JERRICK | SO | CHICAGO STATE |
59.38 |
| 8 | 272 | SINGH, BIKRAMJIT | FR | FDU |
56.95 |
| Lane | # | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|---|
| 3 | 290 | ALI, NASIR | FR | LIU |
54.23 |
| 4 | 420 | SEAWRIGHT, MICHAEL | SO | WAGNER |
57.85 |
| 5 | 188 | AGWU, KENNY | JR | CENTRAL CONNECTICUT |
56.39 |
| 6 | 269 | SANDERS, LEO | SO | FDU |
55.44 |
| 7 | 241 | LASTER, JADEN | FR | CHICAGO STATE |
59.58 |
| 8 | 271 | SCOTT, TRUDALE | FR | FDU |
57.16 |
| Lane | # | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|---|
| 2 | 249 | SPELLS, MYCHAH | SR | CHICAGO STATE |
59.94 |
| 3 | 245 | ORIAKHI, RAYMOND | SR | CHICAGO STATE |
52.52 |
| 4 | 199 | CZARNECKI, MAXWELL | SO | CENTRAL CONNECTICUT |
56.24 |
| 5 | 382 | MCCOY, MARCUS | FR | STONEHILL |
57.58 |
| 6 | 260 | JOSEPH, DEAN | SO | FDU |
56.08 |
| 7 | 285 | RAMADANI, MALTRIN | FR | LE MOYNE |
59.79 |
| 8 | 259 | HICKS, JUSTICE | FR | FDU |
57.32 |