| 1) | Fried, Levi | Black Hills St. | 1:52.07 (05/07-05/09) | 1:52.51 (04/13-04/15) | 1:53.02 (05/07-05/09) | 1:54.40 (04/08) | 1:55.70 (03/23-03/25) |
| 2) | Morningstar, Ryan | Colorado Mines | 1:52.07 (05/07-05/09) | 1:52.93 (05/07-05/09) | 1:54.05 (04/01-04/02) | 2:00.33 (04/22) | 2:01.79 (04/07-04/08) |