| 1) | Williams, Chrishuna | Arkansas | 52.82 (02/27-03/01) | 52.92 (02/27-03/01) | 52.95 (02/14-02/15) | 53.52 (01/10) | 53.71 (01/17) | 53.84 (02/07-02/08) | 54.53 (02/07-02/08) | 54.87 (01/31-02/01) |
| 2) | Romero, Shapri | Arizona | 52.82 (02/07-02/08) | 52.98 (02/07-02/08) | 53.03 (02/28-03/01) | 53.22 (01/24-01/25) |