| 1) | Wilson, Jade | Temple | 59.90 (05/11-05/13) | 1:00.03 (04/06-04/07) | 1:00.13 (05/11-05/13) | 1:00.37 (05/05-05/06) | 1:01.32 (03/24) | 1:01.33 (03/31) | 1:01.48 (05/05-05/06) | 1:02.18 (04/26-04/28) |
| 2) | Beemer, Brianne | Colorado | 59.90 (05/12-05/13) | 1:00.09 (04/19-04/21) | 1:00.23 (03/16-03/17) |