| 1) Nebraska | 41.02 (04/24) | 39.82 (05/10) | 40.23 (05/10) | 40.31 (04/13) | 40.35 (04/17) | 40.51 (04/24) | 40.76 (03/29) | 40.80 (04/06) |
| 2) Long Beach St. | 41.02 (05/10) | 41.19 (04/12) | 41.51 (04/18) | 41.67 (04/19) | 41.72 (03/22) | 41.83 (03/14) | 41.87 (03/01) | 42.07 (03/22) |