| 1) | Koringo, Thomas | Eastern Kentucky | 1:52.96 (04/07-04/08) | 1:53.96 (05/11-05/13) | 1:54.28 (04/14) | 1:54.93 (05/06) | 1:55.70 (04/01) | 1:59.28 (05/11-05/13) | |
| 2) | Winiger, Greyson | Eastern Kentucky | 1:52.96 (05/11-05/13) | 1:54.03 (04/07-04/08) | 1:55.18 (05/06) | 1:55.33 (04/28-04/29) | 1:55.44 (05/11-05/13) | 1:56.12 (03/18) | 1:57.26 (04/01) |