| W | World Outdoor | 43.03 | Wayde van Niekerk | RSA | 8/14/2016 | Rio de Janeiro, BRA |
| A | American Outdoor | 43.18 | Michael Johnson | Nike | 8/26/1999 | Seville, ESP |
| C | College Outdoor | 43.61 | Michael Norman | So. California | 6/8/2018 | Eugene, OR |
| N | NEC championship | 45.91 | Richard James | Long Island | 2003 | |
| I | IC4A | 49.20 |
| Lane | # | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|---|
| 1 | 346 | THEOSMY , MAKHI | SO | ST. FRANCIS (N.Y.) |
50.02 |
| 2 | 23 | FERRAIOLA, ETHAN | FR | BRYANT |
49.84 |
| 3 | 387 | BABCANEC, CYRIL | JR | WAGNER |
49.63 |
| 4 | 94 | ELYSEE, SANDLEY | JR | FAIRLEIGH DICKINSON |
49.49 |
| 5 | 38 | REMKIEWICZ, WILLIAM | FR | BRYANT |
48.59 |
| 6 | 392 | COREL, THOMAS | JR | WAGNER |
48.68 |
| 7 | 52 | DIABY, ALI | FR | CENTRAL CONNECTICUT |
49.60 |
| 8 | 90 | CROOKS , DURAN | JR | FAIRLEIGH DICKINSON |
49.79 |
| Lane | # | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|---|
| 2 | 332 | HERNANDEZ, DANIEL | JR | ST. FRANCIS (N.Y.) |
51.91 | 51.91 Saint Peter's Invite #1 |
| 3 | 122 | JONES, MICHAEL | FR | LIU |
50.62 | 50.62 Wagner invite |
| 4 | 392 | COREL, THOMAS | JR | WAGNER |
48.92 | 48.92 Lehigh Season Opener |
| 5 | 43 | STANKIEWICZ, KEVIN | JR | BRYANT |
52.54 | 52.54 Bryant U vs American U, Brown U |
| 6 | 147 | DESROSIERS, RALPH | SO | MERRIMACK |
50.88 | 50.88 Merrimack College Invitational |
| 7 | 387 | BABCANEC, CYRIL | JR | WAGNER |
49.90 | 49.90 2021 Mount 33-48 Invitational |
| 8 | 329 | CHARVIS , TAVIS | JR | ST. FRANCIS (N.Y.) |
58.81 | 58.81 Wagner invite |
| Lane | # | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|---|
| 2 | 106 | OGLESBY, KEION | JR | FAIRLEIGH DICKINSON |
50.07 | 50.07 Rider 5-way |
| 3 | 124 | MCKENZIE, JORDAN | FR | LIU |
50.58 | 50.58 Wagner invite |
| 4 | 249 | MUNLYN, JAMES | FR | MOUNT ST. MARY'S |
50.90 | 50.90 SFU Red Flash Invitational |
| 5 | 337 | MYERS , PARKER | SO | ST. FRANCIS (N.Y.) |
51.76 | 51.76 Saint Peter's Invite #1 |
| 6 | 245 | MCKINNEY, JOHN | FR | MOUNT ST. MARY'S |
53.02 | 53.02 2021 Mount Invitational |
| 7 | 52 | DIABY, ALI | FR | CENTRAL CONNECTICUT |
47.81 | 47.81 Central Conn. State University Invitational |
| 8 | 316 | SARKISIAN, JACK | FR | SACRED HEART |
55.47 | 55.47 2021 Mount Invitational |
| Lane | # | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|---|
| 2 | 345 | STRACHN, BRAIN | JR | ST. FRANCIS (N.Y.) |
51.70 | 51.70 Wagner invite |
| 3 | 38 | REMKIEWICZ, WILLIAM | FR | BRYANT |
47.17 | 47.17 Bryant University vs CCSU, URI |
| 4 | 346 | THEOSMY , MAKHI | SO | ST. FRANCIS (N.Y.) |
50.52 | 50.52 Saint Peter's Invite #1 |
| 5 | 254 | NUNNALLY, NICK | FR | MOUNT ST. MARY'S |
54.37 | 54.37 SFU Red Flash Invitational |
| 6 | 23 | FERRAIOLA, ETHAN | FR | BRYANT |
50.34 | 50.34 Bryant U vs Long Island, Merrimack |
| 7 | 198 | BERG, ZACH | FR | MOUNT ST. MARY'S |
53.13 | 53.13 2021 Mount Invitational |
| 8 | 24 | GOODMAN, JACOB | SO | BRYANT |
51.57 | 51.57 Bryant University vs CCSU, URI |
| Lane | # | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|---|
| 1 | 162 | LOUIS, JASON | SO | MERRIMACK |
50.80 | 50.80 Merrimack College Invitational |
| 2 | 168 | MCKOY, DAVONTE | FR | MERRIMACK |
51.91 | 51.91 UMASS V Holy Cross / Merrimack |
| 3 | 94 | ELYSEE, SANDLEY | JR | FAIRLEIGH DICKINSON |
49.38 | 49.38 Wolfie Invitational |
| 4 | 11 | CANALE, ANDREW | JR | BRYANT |
NT | |
| 5 | 90 | CROOKS , DURAN | JR | FAIRLEIGH DICKINSON |
49.41 | 49.41 Wolfie Invitational |
| 6 | 84 | WALTON, JASON | JR | CENTRAL CONNECTICUT |
NT | |
| 7 | 193 | ALTMAN, THOMAS | FR | MOUNT ST. MARY'S |
50.81 | 50.81 SFU Red Flash Invitational |
| 8 | 310 | PELLETIER, NICHOLAS | SO | SACRED HEART |
51.96 | 51.96 2021 Mount Invitational |