| 1) UNLV | 45.85 (05/14) | 45.42 (05/02) | 45.82 (04/10) | 45.91 (04/26) | 45.99 (04/17) | 46.13 (03/07) | 46.24 (03/27) | 46.37 (03/21) |
| 2) Sam Houston St. | 45.85 (05/09) | 46.60 (05/03) | 46.89 (04/19) | 46.93 (04/05) | 47.05 (03/26) | 47.72 (04/05) | ||
| 3) California | 45.85 (04/05) | 47.40 (04/26) | 48.04 (04/12) |