| 1) | Brukalo, Breanna | William and Mary | 1:01.11 (03/25-03/26) | 1:01.58 (04/22-04/23) | 1:01.90 (05/06-05/07) | 1:03.02 (05/06-05/07) | 1:03.16 (03/18-03/19) | 1:03.36 (04/15-04/16) | 1:03.69 (04/28-04/30) | 1:03.84 (03/31-04/02) |
| 2) | Kropf, Becca | Ball State | 1:01.11 (04/30) | 1:02.04 (04/15-04/16) | 1:02.16 (04/22-04/23) | 1:02.69 (05/12-05/14) |