| 1) | Williams, Michael | Princeton | 1:49.53 (05/05-05/06) | 1:49.79 (04/06-04/07) | 1:50.62 (05/05-05/06) | 1:51.73 (03/30-03/31) | 1:52.23 (04/20-04/21) | |
| 2) | Brown, Zavior | Maryland-Eastern Shore | 1:49.53 (04/14) | 1:50.07 (05/03-05/05) | 1:50.46 (05/03-05/05) | 1:51.33 (05/11-05/13) | 1:51.79 (04/20-04/21) | 1:52.48 (03/24) |
| 3) | Thurn, James | LSU | 1:49.53 (04/07) |