| 1) Southern Illinois | 45.82 (04/15) | 45.82 (04/15) | 45.87 (04/08) | 45.87 (04/08) | 46.31 (04/29) | 46.31 (04/29) | 46.34 (05/13) | 46.34 (05/13) |
| 2) Arkansas Baptist | 45.82 (05/06) | 46.34 (04/08) | 46.70 (03/12) | 46.94 (05/17) | 47.00 (05/17) | 47.17 (04/01) | 47.24 (04/15) | 48.72 (03/18) |