| Name | Time | Date | Meet |
|---|---|---|---|
| Aidan Walters | 1:45.77 | March 11, 2023 | NCAA Division II Championship |
| Aidan Walters | 1:45.97 | Feb. 11, 2023 | Great Lakes Valley Conference Championships |
| Noah Clancy | 1:45.98 | Feb. 13, 2021 | Great Lakes Valley Conference Championships |
| Jared Dachroeden | 1:47.12 | Feb. 16, 2019 | Drury Last Chance Meet |
| Aaron Schmidt | 1:47.40 | March 14, 2009 | 2009 NCAA DII Men's & Women's Championships |
| Aaron Schmidt | 1:49.54 | March 15, 2008 | 2008 NCAA Division II Championships |
| Travis Stensby | 1:51.28 | March 11, 2006 | 2006 NCAA Division II Championships |
