| 1) | Decker, Amber | Iowa | 1:36.32 (01/13-01/14) | 1:36.32 (01/13-01/14) | 1:36.68 (02/17-02/18) | 1:36.68 (02/17-02/18) | 1:37.23 (01/06-01/07) | 1:37.23 (01/06-01/07) | 1:38.63 (01/20-01/21) | 1:38.63 (01/20-01/21) |
| 2) | Passannante, Anna | Williams | 1:36.32 (02/17-02/18) | 1:36.32 (02/17-02/18) | 1:37.16 (01/14) | 1:37.16 (01/14) |