| 1) | Shoeman, Krista | Iowa State | 1:00.50 (04/04-04/05) | 1:00.62 (03/21-03/22) | 1:00.79 (04/19) | 1:01.15 (05/02-05/03) | 1:01.37 (04/11-04/12) | 1:02.24 (05/16-05/18) |
| 2) | Vallery, Ronisha | Cal St. Northridge | 1:00.50 (05/16) | 1:01.15 (03/27-03/29) | 1:01.79 (05/16) | 1:01.92 (05/03) |