| 1) | Paternostro, Bradley | Princeton | 1:50.67 (04/06-04/07) | 1:50.94 (05/05-05/06) | 1:51.44 (04/14) | 1:54.14 (03/30-03/31) | 1:54.93 (05/11-05/13) |
| 2) | Neal, Keffri | Kentucky | 1:50.67 (05/04) | 1:51.04 (04/29) | 1:51.44 (04/06-04/07) | 1:51.88 (04/21) | 1:52.66 (05/10-05/13) |