| 1) North Texas | 46.04 (05/15) | 45.59 (04/18) | 45.69 (04/12) | 46.06 (05/03) | 46.16 (03/20) | 46.24 (04/26) | 46.65 (04/05) | |
| 2) Lamar | 46.04 (05/09) | 46.35 (03/27) | 46.54 (04/26) | 47.02 (04/12) | 47.12 (04/17) | 47.24 (04/04) | 47.89 (03/27) | 48.88 (03/27) |
| 3) Cal Poly | 46.04 (03/15) | 46.81 (05/16) | 46.89 (03/29) | 46.91 (03/21) | 47.09 (04/17) | 47.38 (05/03) | 50.34 (05/03) |