| 1
| Ridderhoff, Jacob | JR-3 | Washington U. | 3:47.47 | NCAA Division III Outdoor Track & Field Championships | May 27, 2021 |
| 2
| Houser, Will | FR-1 | Washington U. | 3:49.26 | NCAA Division III Outdoor Track & Field Championships | May 27, 2021 |
| 3
| Cutter, Ryan | JR-3 | U. of Chicago | 3:50.71 | St. Francis Fighting Chance Invite | May 14, 2021 |
| 4
| Myers, Henry | SO-2 | U. of Chicago | 3:51.01 | St. Francis Fighting Chance Invite | May 14, 2021 |
| 5
| Tavangar, Kiyan | JR-3 | U. of Chicago | 3:51.26 | St. Francis Fighting Chance Invite | May 14, 2021 |
| 6
| Hedgepeth, Jacob | JR-3 | Emory | 3:52.41 | Emory Final Qualifier | May 19, 2021 |
| 7
| Cera, Tucker | SR-4 | Washington U. | 3:52.87 | NCC Dr. Keeler Track & Field Meet-2021 | May 13, 2021 |
| 8
| Ten Eyck, Eli | JR-3 | Washington U. | 3:53.29 | Augustana College Midwest Twilight Final Qualifier | May 20, 2021 |
| 9
| Craig, Sam | SO-2 | U. of Chicago | 3:54.15 | St. Francis Fighting Chance Invite | May 14, 2021 |
| 10 | Whetstone, Jack | JR-3 | Emory | 3:55.29 | Georgia Tech Invitational | Apr 16, 2021 |
| 11 | Moore, Spencer | JR-3 | Emory | 3:55.68 | Georgia Tech Invitational | Apr 16, 2021 |
| 12 | Barry, Zach | FR-1 | Emory | 3:55.81 | Georgia Tech Invitational | Apr 16, 2021 |
| 13 | Walsh, Liam | SR-4 | Carnegie Mellon | 3:57.21 | WVU Last Chance | May 7, 2021 |
| 14 | Ly, Michael | JR-3 | Washington U. | 3:57.28 | 2021 Big Blue Twilight | Apr 30, 2021 |
| 15 | Wong, Mason | SO-2 | Washington U. | 3:57.62 | Wash U Quad | Mar 27, 2021 |
| 16 | Pahnke, Andrew | FR-1 | Emory | 3:58.33 | Torrin Lawrence Memorial | Apr 30, 2021 |
| 17 | Spellman, Dan | FR-1 | U. of Chicago | 3:58.67 | St. Francis Fighting Chance Invite | May 14, 2021 |
| 18 | Cobin, Alex | JR-3 | Washington U. | 3:58.84 | NCC 1st Chance | Apr 2, 2021 |
| 19 | Singer, Logan | JR-3 | Case Western | 3:59.27 | Wittenberg Outdoor Meet #2 | Apr 24, 2021 |
| 20 | McGuire, Liam | JR-3 | Emory | 3:59.36 | Georgia Tech Invitational | Apr 16, 2021 |
| 21 | Harper, Ethan | FR-1 | U. of Chicago | 3:59.49 | Don Church Invitational 2021 | Apr 30, 2021 |
| 22 | Donohoe, Tommy | FR-1 | U. of Chicago | 4:00.32 | UW-Whitewater Drake Alternative | Apr 23, 2021 |
| 23 | Karee, Matthew | SR-4 | Carnegie Mellon | 4:00.53 | Dave Labor Invitational | Apr 3, 2021 |
| 24 | Karur, Naren | JR-3 | Carnegie Mellon | 4:00.70 | Dave Labor Invitational | Apr 3, 2021 |
| 25 | Jaster, Joseph | SO-2 | Case Western | 4:00.75 | Wittenberg Outdoor Meet #2 | Apr 24, 2021 |
| 26 | Marcus, Jon | SO-2 | Emory | 4:00.82 | Emory Final Qualifier | May 19, 2021 |
| 27 | Branch-Shaw, Harrison | SR-4 | Carnegie Mellon | 4:01.19 | Dave Labor Invitational | Apr 3, 2021 |
| 28 | Ivanov, Alex | FR-1 | Carnegie Mellon | 4:01.30 | IUP Invitational | Apr 11, 2021 |
| 29 | Masterson, Scott | FR-1 | Emory | 4:01.71 | Georgia Tech Invitational | Apr 16, 2021 |
| 30 | Hartshorne, Hunter | SR-4 | Carnegie Mellon | 4:02.31 | Dave Labor Invitational | Apr 3, 2021 |
| 31 | Evans, Alexander | FR-1 | Washington U. | 4:02.74 | Wash U Quad | Mar 27, 2021 |
| 32 | Perretta, Tom | JR-3 | Emory | 4:03.57 | UAB Spring Invitational | Apr 2, 2021 |
| 33 | Straight, Parker | SO-2 | Case Western | 4:03.69 | Wittenberg Outdoor Meet #2 | Apr 24, 2021 |
| 34 | Begley, Jack | SO-2 | Case Western | 4:03.81 | Wittenberg Outdoor Meet #2 | Apr 24, 2021 |
| 35 | Cheung, Joshua | FR-1 | U. of Chicago | 4:04.05 | St. Francis Fighting Chance Invite | May 14, 2021 |
| 36 | Obroin, Michael | JR-3 | Carnegie Mellon | 4:04.08 | Dave Labor Invitational | Apr 3, 2021 |
| 37 | Sow, Emile | FR-1 | U. of Chicago | 4:04.52 | Don Church Invitational 2021 | Apr 30, 2021 |
| 38 | Sech, Elijah | SO-2 | Carnegie Mellon | 4:05.04 | Dave Labor Invitational | Apr 3, 2021 |
| 39 | Lombardo, Josh | JR-3 | Brandeis | 4:05.29 | Tufts Invitational | May 8, 2021 |
| 40 | Leffel, Zach | FR-1 | U. of Chicago | 4:05.41 | Don Church Invitational 2021 | Apr 30, 2021 |
| 41 | Motter, Marc | SO-2 | U. of Chicago | 4:05.69 | St. Francis Fighting Chance Invite | May 14, 2021 |
| 42 | Verma, Shivam | FR-1 | Carnegie Mellon | 4:06.66 | Dave Labor Invitational | Apr 3, 2021 |
| 43 | Watry, Spencer | FR-1 | Emory | 4:07.02 | Georgia Tech Invitational | Apr 16, 2021 |
| 44 | Thompson, Grant | FR-1 | Emory | 4:07.33 | BSC Hilltop | Mar 26, 2021 |
| 45 | Chamoun, Joe | FR-1 | Emory | 4:07.45 | UAB Spring Invitational | Apr 2, 2021 |
| 46 | Sachs, Adam | FR-1 | U. of Chicago | 4:07.71 | Don Church Invitational 2021 | Apr 30, 2021 |
| 47 | Mosca, Neil | FR-1 | Emory | 4:08.20 | UAB Spring Invitational | Apr 2, 2021 |
| 48 | Hill, Max | SO-2 | U. of Chicago | 4:08.51 | St. Francis Fighting Chance Invite | May 14, 2021 |
| 49 | Huff, Peter | SO-2 | Washington U. | 4:08.52 | 2021 Washington University Dual | Apr 10, 2021 |
| 50 | Capuano, Cullen | FR-1 | Washington U. | 4:09.09 | 2021 Washington University Dual | Apr 10, 2021 |
| 50 | Pecore, Justin | FR-1 | Emory | 4:09.09 | Berry Field Day Invitational 2021 | Apr 9, 2021 |
| 52 | Arora, Arnav | FR-1 | Carnegie Mellon | 4:09.66 | 2021 CMU March Meet | Mar 27, 2021 |
| 53 | Tebbetts, Walter | FR-1 | Brandeis | 4:09.85 | Tufts Invitational | May 8, 2021 |
| 54 | Owens, Jabari | FR-1 | U. of Chicago | 4:10.13 | St. Francis Fighting Chance Invite | May 14, 2021 |
| 55 | Dillon, Matt | JR-3 | Emory | 4:11.60 | UAB Spring Invitational | Apr 2, 2021 |
| 56 | Norton, Will | JR-3 | U. of Chicago | 4:12.23 | UW-Whitewater Drake Alternative | Apr 23, 2021 |
| 57 | Hsu, Jacob | FR-1 | Carnegie Mellon | 4:12.31 | Dave Labor Invitational | Apr 3, 2021 |
| 58 | Silagi, Joe | SO-2 | Washington U. | 4:12.81 | Wash U Quad | Mar 27, 2021 |
| 59 | Bishnupuri, Pratyay | SR-4 | Washington U. | 4:12.87 | 2021 Washington University Dual | Apr 10, 2021 |
| 60 | Di Iorio, Tony | SO-2 | Emory | 4:12.99 | UAB Spring Invitational | Apr 2, 2021 |
| 61 | St. Clair, Robert | SO-2 | Case Western | 4:13.05 | Wittenberg Outdoor Meet #2 | Apr 24, 2021 |
| 62 | Burke, Matthew | JR-3 | Emory | 4:13.33 | UAB Spring Invitational | Apr 2, 2021 |
| 63 | Gardner, Chase | JR-3 | U. of Chicago | 4:13.91 | NCC 1st Chance | Apr 2, 2021 |
| 64 | Routledge, Scott | FR-1 | Carnegie Mellon | 4:14.47 | Dave Labor Invitational | Apr 3, 2021 |
| 65 | Oddsson Cricco , Olaf | FR-1 | U. of Chicago | 4:15.00 | UW-Whitewater Drake Alternative | Apr 23, 2021 |
| 66 | Lynch, Frankie | FR-1 | Washington U. | 4:15.06 | 2021 Washington University Dual | Apr 10, 2021 |
| 67 | O'Donnell, Aidan | JR-3 | Carnegie Mellon | 4:15.10 | IUP Invitational | Apr 11, 2021 |
| 68 | McCutcheon, James | SO-2 | Washington U. | 4:15.11 | 2021 Washington University Dual | Apr 10, 2021 |
| 69 | Loeper, Alex | SR-4 | Case Western | 4:15.19 | Wittenberg Outdoor Meet #2 | Apr 24, 2021 |
| 70 | Benson, Micah | FR-1 | Washington U. | 4:15.61 | 2021 Washington University Dual | Apr 10, 2021 |
| 71 | Turner, Ian | SO-2 | Carnegie Mellon | 4:15.91 | 2021 CMU March Meet | Mar 27, 2021 |
| 72 | Ringer, Holden | JR-3 | Emory | 4:15.96 | Panther Invitational | Mar 21, 2021 |
| 73 | Mitchell, Scott | SR-4 | Washington U. | 4:17.07 | 2021 Washington University Dual | Apr 10, 2021 |
| 74 | Heermann, Christopher | SR-4 | Case Western | 4:17.55 | CWRU vs Oberlin Part 2 | May 1, 2021 |
| 75 | Kusak, Matt | SO-2 | Washington U. | 4:17.85 | 2021 Washington University Dual | Apr 10, 2021 |
| 76 | O'Reilly, Liam | SO-2 | Case Western | 4:18.19 | Wittenberg Outdoor Meet #2 | Apr 24, 2021 |
| 77 | Conard, Jacob | FR-1 | Case Western | 4:19.61 | Wittenberg Outdoor Meet #2 | Apr 24, 2021 |
| 78 | Cumberland, Neil | JR-3 | Washington U. | 4:20.09 | 2021 Washington University Dual | Apr 10, 2021 |
| 79 | Brdicko, Nicholas | SR-4 | Washington U. | 4:20.22 | 2021 Washington University Dual | Apr 10, 2021 |
| 80 | Goff, Willem | FR-1 | Brandeis | 4:22.03 | UMass Dartmouth vs. Brandeis | Apr 24, 2021 |
| 81 | Weaver, Carter | FR-1 | Carnegie Mellon | 4:23.81 | Dave Labor Invitational | Apr 3, 2021 |
| 82 | Haling, Jonathan | SR-4 | Case Western | 4:24.35 | CWRU vs Oberlin Part 2 | May 1, 2021 |
| 83 | Rohrer, Eric | FR-1 | Carnegie Mellon | 4:26.22 | Dave Labor Invitational | Apr 3, 2021 |
| 84 | Guerra, Jac | SO-2 | Brandeis | 4:29.55 | UMass Dartmouth vs. Brandeis | Apr 24, 2021 |
| 85 | Smutney, Matthew | FR-1 | Case Western | 4:29.63 | Oberlin Meet #3 | Apr 17, 2021 |
| 86 | Thilairajah, Arjun | FR-1 | Case Western | 4:30.15 | Wittenberg Outdoor Meet #2 | Apr 24, 2021 |
| 87 | Gasper, Ben | JR-3 | Washington U. | 4:30.20 | Wash U Quad | Mar 27, 2021 |
| 88 | Mody, Akshay | SO-2 | U. of Chicago | 4:31.03 | UW-Whitewater Drake Alternative | Apr 23, 2021 |
| 89 | Mikkilineni, Rahul | JR-3 | Case Western | 4:31.68 | CWRU vs Oberlin Part 2 | May 1, 2021 |
| 90 | Pollio-Barbee, Harper | JR-3 | Brandeis | 4:45.14 | UMass Dartmouth vs. Brandeis | Apr 24, 2021 |
| 91 | Brackett, Casey | FR-1 | Brandeis | 4:48.14 | Brandeis-Southern New Hampshire | Apr 10, 2021 |
