| 1) | Payton, Tyler | Oklahoma State | 1:49.17 (05/02) | 1:49.80 (05/16-05/18) | 1:50.41 (04/11-04/12) | 1:50.91 (05/16-05/18) | 1:51.93 (04/04-04/05) | 1:54.13 (03/21-03/22) |
| 2) | Sork, Tanner | BYU | 1:49.17 (04/23-04/26) | 1:51.50 (04/04-04/05) | 1:51.56 (05/09-05/10) | 1:52.50 (04/12) | 1:52.83 (05/01) | 1:53.99 (03/27-03/29) |