| Time | Date | Name | Meet |
|---|---|---|---|
| 4:04.02 | Feb. 18, 2023 | Ben Spragg | NESCAC Mens Championships |
| 4:07.44 | Dec. 3, 2022 | Ben Spragg | Maine Collegiate Invite |
| 4:09.34 | Feb. 22, 2020 | Jack Macphee | NESCAC Mens Championships |
| 4:09.41 | Feb. 23, 2019 | Jack Macphee | NESCAC Mens Championships |
| 4:12.73 | Jan. 26, 2019 | Ryan Bedell | Colby vs. Wesleyan |
| 4:13.76 | Feb. 24, 2018 | Jack Macphee | NESCAC Championships Men |
| 4:15.16 | Feb. 22, 2014 | John Madeira | NESCAC Men's Championships |
| 4:16.04 | Feb. 23, 2013 | John Madeira | New England Small College Athletic Conference Mens Championships |
| 4:18.95 | Feb. 26, 2011 | John Madeira | New England Small College Athletic Conference Mens Championships |
| 4:36.08 | Dec. 4, 2010 | Ryan Fischer | MIT Invitational |
| 4:36.50 | Jan. 30, 2010 | Brian Gilligan | Wesleyan vs. Bowdoin College and Colby College |
| 4:37.94 | Jan. 16, 2010 | Ryan Fischer | MIT vs. Colby |
| 4:47.92 | Dec. 5, 2009 | Brian Gilligan | MIT Invitational |
