| 1
| Perez, Julian | SR-4 | Navy | 3:48.66 | Navy Spring Meet | Mar 27, 2021 |
| 2
| Briggs, Ashwin | SR-4 | Navy | 3:48.78 | Navy Spring Meet | Mar 27, 2021 |
| 3
| Foster, Caden | JR-3 | Army West Point | 3:49.92 | Army vs. Monmouth | Mar 20, 2021 |
| 4
| Burr, Mitchell | FR-1 | Army West Point | 3:50.24 | Army-Navy Star Series Meet | Apr 3, 2021 |
| 5
| Rizzo, Alexander | SO-2 | Navy | 3:50.29 | 2021 Navy Spring Invitational II | Apr 16, 2021 |
| 6
| Quinn, Thomas | SR-4 | Boston University | 3:51.68(1) | Ocean State Invitational | Apr 9, 2021 |
| 7
| Malleck, Foster | SO-2 | Boston University | 3:51.88 | Army Twilight vs. Boston University | Apr 16, 2021 |
| 8
| McMenamin, Connor | SR-4 | Bucknell | 3:52.56 | UVA Opener | Mar 20, 2021 |
| 9
| Melko, Connor | SO-2 | Lehigh | 3:52.88 | Lehigh Season Opener | Mar 21, 2021 |
| 10 | Zullo, Tucker | FR-1 | American | 3:53.43 | Virginia Challenge | Apr 16, 2021 |
| 11 | O'Toole, Brendan | JR-3 | Bucknell | 3:53.50 | Bucknell Quad | Apr 11, 2021 |
| 12 | Nelsen, David | SR-4 | Navy | 3:53.86 | 2021 Navy Spring Invitational II | Apr 16, 2021 |
| 13 | Mazzei, Daniel | SR-4 | Army West Point | 3:54.42 | UCONN Spring Invite | Mar 26, 2021 |
| 14 | Brown, Sean | SR-4 | Lehigh | 3:54.46 | Bucknell Quad | Apr 11, 2021 |
| 15 | Aubry, Marcel | JR-3 | Boston University | 3:54.78(1) | Ocean State Invitational | Apr 9, 2021 |
| 16 | Sparks, Allen | SR-4 | Army West Point | 3:54.95 | Army vs. Monmouth | Mar 20, 2021 |
| 17 | Beatty, Marshall | JR-3 | Army West Point | 3:55.43 | Army Twilight vs. Boston University | Apr 16, 2021 |
| 18 | Chase, Owen | JR-3 | Bucknell | 3:55.53 | Bucknell Quad | Apr 11, 2021 |
| 19 | Fried, Oliver | SR-4 | Navy | 3:55.99 | Navy Spring Meet | Mar 27, 2021 |
| 20 | Burke, Kyle | JR-3 | Lehigh | 3:57.01 | Lehigh Season Opener | Mar 21, 2021 |
| 21 | Curran, Joseph | SR-4 | Navy | 3:57.07 | Navy Spring Meet | Mar 27, 2021 |
| 22 | Mason, Matt | FR-1 | Boston University | 3:57.56 | Army Twilight vs. Boston University | Apr 16, 2021 |
| 23 | Hagan, Michael | SO-2 | Boston University | 3:57.69 | Army Twilight vs. Boston University | Apr 16, 2021 |
| 24 | Reeves, Nate | FR-1 | American | 3:57.73 | JMU Invitational | Apr 17, 2021 |
| 25 | Gardner, Riley | SR-4 | Bucknell | 3:57.94 | Bucknell Quad | Apr 11, 2021 |
| 26 | Horoho, Daniel | SR-4 | Army West Point | 3:58.71 | Army Twilight vs. Boston University | Apr 16, 2021 |
| 27 | Mitchell, Michael | SR-4 | Lehigh | 3:59.41 | Lehigh Season Opener | Mar 21, 2021 |
| 28 | Hamilton, Scotti | SR-4 | Boston University | 4:00.47 | Army Twilight vs. Boston University | Apr 16, 2021 |
| 29 | Puc, Ethan | FR-1 | American | 4:01.02 | George Mason University Spring Invitational 2021 | Apr 11, 2021 |
| 30 | Whittaker, Samuel | SO-2 | Bucknell | 4:01.19 | UVA Opener | Mar 20, 2021 |
| 31 | Martinez, Jacob | SO-2 | Lehigh | 4:01.49 | 2021 Lafayette - Lehigh - Sacred Heart Tri | Apr 17, 2021 |
| 32 | Branch, Ryan | SR-4 | Lafayette | 4:01.76 | 2021 Lafayette - Lehigh - Sacred Heart Tri | Apr 17, 2021 |
| 33 | Christman, Liam | SO-2 | Holy Cross | 4:01.92 | Holy Cross vs. Rhode Island Men | Apr 21, 2021 |
| 34 | Simon, Zachary | SO-2 | Army West Point | 4:02.81 | Bucknell Quad | Apr 11, 2021 |
| 35 | Kirshenbaum, Jeffrey | SR-4 | Lehigh | 4:02.87 | 2021 Lafayette - Lehigh - Sacred Heart Tri | Apr 17, 2021 |
| 36 | Rothschild, Gideon | FR-1 | Army West Point | 4:03.07 | Army Twilight vs. Boston University | Apr 16, 2021 |
| 37 | Oehrlein, Robert | SO-2 | Lafayette | 4:03.29 | 2021 Lafayette - Lehigh - Sacred Heart Tri | Apr 17, 2021 |
| 38 | Caggiano, Aidan | JR-3 | American | 4:03.45 | George Mason University Spring Invitational 2021 | Apr 11, 2021 |
| 39 | Keaney, James | FR-1 | Lehigh | 4:03.94 | 2021 Lafayette - Lehigh - Sacred Heart Tri | Apr 17, 2021 |
| 40 | Rivera, Chase | SO-2 | Navy | 4:03.97 | Navy Spring Meet | Mar 27, 2021 |
| 41 | Schmeizer, Jesse | JR-3 | Lafayette | 4:04.03 | 2021 Lafayette - Lehigh - Sacred Heart Tri | Apr 17, 2021 |
| 42 | Gough, Garrett | SO-2 | Army West Point | 4:04.16 | Army Twilight vs. Boston University | Apr 16, 2021 |
| 43 | Elliott, Jack | SO-2 | Navy | 4:04.29 | 2021 Navy Spring Invitational II | Apr 16, 2021 |
| 44 | Schlegel, Griffin | FR-1 | Bucknell | 4:04.33 | Bucknell vs St. Francis & UMBC | Mar 27, 2021 |
| 45 | Concaugh, Owen | SR-4 | Bucknell | 4:04.66 | Bucknell vs St. Francis & UMBC | Mar 27, 2021 |
| 46 | Lafleche, Brian | SR-4 | Colgate | 4:05.05 | 2021 Lafayette Open | Mar 27, 2021 |
| 47 | Wilson, Nick | JR-3 | Lehigh | 4:05.30 | 2021 Lafayette - Lehigh - Sacred Heart Tri | Apr 17, 2021 |
| 48 | Domingues, Joseph | SO-2 | Navy | 4:05.35 | 2021 Navy Spring Invitational II | Apr 16, 2021 |
| 49 | Hoffritz, Seth | SO-2 | Bucknell | 4:05.89 | Bucknell vs St. Francis & UMBC | Mar 27, 2021 |
| 50 | Clayton, Brian | JR-3 | Lafayette | 4:06.62 | 2021 Lafayette Open | Mar 27, 2021 |
| 51 | Duffie, Brandtson | SO-2 | Lehigh | 4:06.73 | Bucknell Quad | Apr 11, 2021 |
| 52 | Tikiob, Will | FR-1 | Lehigh | 4:07.05 | Bucknell Quad | Apr 11, 2021 |
| 53 | Pumilia, Griffin | FR-1 | Lehigh | 4:07.22 | Bucknell Quad | Apr 11, 2021 |
| 54 | Campiglia, Sean | SO-2 | Lehigh | 4:07.53 | Bucknell Quad | Apr 11, 2021 |
| 55 | Cervon, Matthew | JR-3 | Bucknell | 4:07.54 | Lehigh Happy Easter Races | Apr 3, 2021 |
| 56 | Vandermark, Kyle | SO-2 | Holy Cross | 4:07.89 | Holy Cross vs. Rhode Island Men | Apr 21, 2021 |
| 57 | O'Connor, John | SO-2 | Boston University | 4:08.23 | UMASS V BC, BU | Apr 10, 2021 |
| 58 | DeMassa, Bradford | SR-4 | Lehigh | 4:08.29 | 2021 Lafayette Open | Mar 27, 2021 |
| 59 | Kilcooley, Patrick | SO-2 | Bucknell | 4:08.78 | Bucknell Quad | Apr 11, 2021 |
| 60 | Price, Jeffrey | SR-4 | Army West Point | 4:09.37 | Army-Navy Star Series Meet | Apr 3, 2021 |
| 61 | Simpson, Alex | FR-1 | Bucknell | 4:09.99 | Bucknell Quad | Apr 11, 2021 |
| 62 | Hamilton, Sean | FR-1 | Lafayette | 4:10.16 | 2021 Lafayette Open | Mar 27, 2021 |
| 63 | Healy, Brian | FR-1 | Lehigh | 4:10.32 | 2021 Lafayette Open | Mar 27, 2021 |
| 64 | Mellitt, Brendan | FR-1 | Bucknell | 4:10.73 | Bucknell vs St. Francis & UMBC | Mar 27, 2021 |
| 65 | Minor, Evan | SR-4 | Bucknell | 4:10.81 | Lehigh Happy Easter Races | Apr 3, 2021 |
| 66 | Porter, Matthew | SO-2 | Army West Point | 4:10.90 | Army Twilight vs. Boston University | Apr 16, 2021 |
| 67 | French, Tyler | SO-2 | Lehigh | 4:11.68 | 2021 Lafayette - Lehigh - Sacred Heart Tri | Apr 17, 2021 |
| 68 | Morris, Benjamin | FR-1 | Bucknell | 4:11.78 | Bucknell Quad | Apr 11, 2021 |
| 69 | Brewer, Aiden | JR-3 | Bucknell | 4:11.88 | Bucknell Quad | Apr 11, 2021 |
| 70 | Seitz, Karter | JR-3 | Holy Cross | 4:12.34 | Holy Cross vs. Rhode Island Men | Apr 21, 2021 |
| 71 | Williamson, Riley | SO-2 | Lehigh | 4:14.52 | 2021 Lafayette Open | Mar 27, 2021 |
| 72 | Campagna, Domenic | SO-2 | Bucknell | 4:16.36 | Lehigh Happy Easter Races | Apr 3, 2021 |
| 73 | Somers, Nate | FR-1 | Boston University | 4:16.51 | UMASS V BC, BU | Apr 10, 2021 |
| 74 | Murphy, Ryan | JR-3 | Lafayette | 4:16.84 | Lehigh Happy Easter Races | Apr 3, 2021 |
| 75 | Smith, Augustine | FR-1 | Holy Cross | 4:17.44 | Holy Cross vs. Rhode Island Men | Apr 21, 2021 |
| 76 | Laird, Zachary | SO-2 | Bucknell | 4:17.69 | Bucknell Quad | Apr 11, 2021 |
| 77 | Breuer, Kane | JR-3 | Holy Cross | 4:18.37 | Holy Cross vs. Rhode Island Men | Apr 21, 2021 |
| 78 | McLaughlin, Rory | FR-1 | Holy Cross | 4:20.79 | Holy Cross vs. Rhode Island Men | Apr 21, 2021 |
| 79 | Williams, Zach | SO-2 | Colgate | 4:21.85 | 2021 Lafayette Open | Mar 27, 2021 |
| 80 | Doggett, Quentin | SO-2 | Holy Cross | 4:22.00 | Holy Cross vs. Rhode Island Men | Apr 21, 2021 |
| 81 | Choi, Joshua | FR-1 | Holy Cross | 4:23.90 | Holy Cross vs. Rhode Island Men | Apr 21, 2021 |
| 82 | Fowler, Sam | FR-1 | Lafayette | 4:24.18 | 2021 Lafayette - Lehigh - Sacred Heart Tri | Apr 17, 2021 |
| 83 | O'Brien, Michael | SO-2 | Holy Cross | 4:24.58 | Holy Cross vs. Rhode Island Men | Apr 21, 2021 |
| 84 | Podber, Elias | FR-1 | Lafayette | 4:25.13 | Lehigh Happy Easter Races | Apr 3, 2021 |
| 85 | Richards, Thomas | FR-1 | Colgate | 4:26.95 | Lehigh Season Opener | Mar 21, 2021 |
| 86 | Williams, Tommy | SR-4 | Colgate | 4:27.64 | 2021 Lafayette Open | Mar 27, 2021 |
| 87 | Fowler, Gavin | FR-1 | Colgate | 4:30.51 | 2021 Lafayette Open | Mar 27, 2021 |
| 88 | Zatlin, Brett | JR-3 | Bucknell | 4:31.79 | Lehigh Happy Easter Races | Apr 3, 2021 |
| 89 | Madsen, Andrew | FR-1 | Holy Cross | 4:33.54 | Holy Cross vs. Rhode Island Men | Apr 21, 2021 |
| 90 | Gibbs, Jeffrey | FR-1 | Bucknell | 4:33.86 | Bucknell Quad | Apr 11, 2021 |
| 91 | Pearlstein, Brady | SR-4 | Colgate | 4:45.22 | Bucknell Quad | Apr 11, 2021 |
| 92 | Tow, Casey | FR-1 | Navy | 4:51.63 | 2021 Navy Spring Invitational II | Apr 16, 2021 |
| 93 | Doerr, Joseph | SR-4 | Holy Cross | 4:59.84 | Stonehill/ Holy Cross Dual | Apr 18, 2021 |
| 94 | Siani, John | SO-2 | Lehigh | 5:07.69 | 2021 Mount Invitational | Apr 9, 2021 |
| 95 | Autrey, Baynes | SO-2 | Navy | 5:11.69 | 2021 Navy Spring Invitational II | Apr 16, 2021 |
| 96 | Jancek, Jacob | JR-3 | Navy | 5:13.77 | 2021 Navy Spring Invitational II | Apr 16, 2021 |
| 97 | Bynum, Markus | FR-1 | Navy | 5:22.19 | 2021 Navy Spring Invitational II | Apr 16, 2021 |
