| 1) | Balsiger, Alex | Colorado St. | 1:50.16 (04/20-04/21) | 1:50.59 (03/31) | 1:52.09 (05/09-05/12) | 1:52.26 (03/23-03/24) | 2:00.99 (05/09-05/12) | |
| 2) | Kelley, Doug | Houston | 1:50.16 (05/11-05/13) | 1:50.91 (04/19-04/21) | 1:52.12 (05/11-05/13) | 1:52.38 (05/03) | 1:53.46 (03/22-03/24) | 1:53.46 (03/23-03/24) |