| 1) | Tate, Cassandra | LSU | 53.13 (01/21) | 53.16 (02/24-02/26) | 53.22 (02/10-02/11) | 53.57 (02/24-02/26) | |||
| 2) | Jones, Whitney | Arkansas | 53.13 (02/10-02/11) | 53.64 (02/24-02/26) | 53.64 (02/24-02/26) | 53.86 (01/13-01/14) | 53.99 (01/27-01/28) | 54.77 (02/03-02/04) | 54.85 (01/06) |