| 1) | Burton, Jake | Florida State | 1:48.55 (04/15-04/16) | 1:48.65 (05/01) | 1:48.85 (05/13-05/15) | 1:49.67 (05/13-05/15) | 1:50.39 (04/09) | 1:53.49 (03/31-04/02) |
| 2) | Sherrer, Holland | Mississippi | 1:48.55 (04/22-04/23) | 1:49.06 (05/01) | 1:50.88 (03/31-04/02) | 1:52.55 (05/12-05/14) | 1:53.02 (03/17-03/19) | 1:53.50 (04/16) |