| 1) | Schneebeck, Abigail | Trinity (Tex.) | 1:03.77 (04/28-04/29) | 1:03.99 (04/13-04/14) | 1:04.96 (03/31) | 1:07.48 (03/11) | 1:07.84 (03/24) | |
| 2) | Newman, Olivia | Case Western | 1:03.77 (04/22-04/23) | 1:05.06 (04/07-04/08) | 1:06.25 (04/22-04/23) | 1:07.08 (03/17-03/18) | 1:07.13 (04/15) | 1:08.18 (04/01) |