| 1) | Twiss, Erica | Kansas State | 58.28 (04/19) | 58.32 (05/03) | 58.44 (05/16-05/18) | 59.11 (05/16-05/18) | |||
| 2) | Britton, Evonne | Penn State | 58.28 (05/16-05/18) | 59.09 (05/16-05/18) | 59.43 (05/02) | 59.47 (04/24-04/26) | 59.69 (04/19) | 1:00.13 (04/11-04/12) | 1:00.28 (04/05) |