| 1) | Blumm, Stephanie | Sacramento St. | 59.55 (05/01) | 59.56 (05/13-05/16) | 1:00.88 (05/13-05/16) | 1:00.89 (04/16-04/18) | 1:01.42 (04/04) | 1:02.20 (03/21) | ||
| 2) | Barroso, Deandra | Texas-Pan American | 59.55 (05/13-05/16) | 1:00.59 (04/17-04/18) | 1:00.77 (05/13-05/16) | 1:01.30 (04/02-04/04) | 1:01.42 (04/16-04/18) | 1:02.03 (03/25-03/28) | 1:02.08 (03/26-03/28) | 1:02.76 (04/22-04/26) |