| 1) | Squire, Paige | Montana State | 59.71 (05/14-05/17) | 59.82 (05/14-05/17) | 1:00.07 (05/02-05/03) | 1:00.38 (04/26) | 1:00.96 (04/11) | 1:02.48 (04/19) | 1:02.71 (03/28-03/29) |
| 2) | Marrero, Alethia | Indiana State | 59.71 (04/12) | 59.93 (04/18-04/19) | 59.95 (05/16-05/18) | 1:00.59 (05/16-05/18) | 1:00.67 (05/03) | 1:02.89 (04/03-04/05) |