| 1) | Campbell, Iris | Western Michigan | 59.26 (04/25-04/28) | 59.45 (04/11-04/14) | 59.80 (05/04) | 59.97 (03/29-03/31) | 1:01.08 (04/06-04/07) | 1:02.73 (03/23-03/24) |
| 2) | Harley, Rachel | UAB | 59.26 (05/11-05/13) | 59.45 (05/11-05/13) | 1:00.05 (04/20-04/21) | 1:01.16 (04/06-04/07) | 1:01.90 (03/24) |