| 1) | Thomas, Tiffany | Chadron State | 55.11 (05/06-05/08) | 55.45 (04/14-04/15) | 56.25 (05/13) | 56.32 (05/06-05/08) | 56.38 (04/01-04/02) | 56.69 (05/15) |
| 2) | Seidl, Megan | Winona State | 55.11 (05/07) | 56.11 (05/13-05/14) | 56.71 (04/21-04/22) | 56.71 (04/16) | 57.94 (05/13-05/14) | 58.24 (04/01-04/02) |