| 1) Houston | 3:11.91 (04/26) | 3:07.18 (04/19) | 3:07.68 (05/11) | 3:08.21 (03/28) | 3:09.80 (03/28) | 3:12.38 (04/26) | 3:15.44 (04/07) | 3:17.36 (03/15) |
| 2) UCLA | 3:14.79 (03/31) | 3:12.08 (04/12) | 3:12.96 (05/12) | 3:13.29 (04/29) | 3:14.79 (03/31) | 3:16.36 (04/07) | 3:16.55 (03/24) | 3:20.75 (03/24) |
| 2) Illinois | 3:14.79 (03/29) | 3:12.27 (05/11) | 3:13.35 (04/07) | 3:17.60 (04/14) | 3:20.76 (03/29) | 3:21.23 (03/23) | 3:22.21 (03/23) | 3:37.79 (03/23) |
| 4) Kansas State | 3:15.52 (03/23) | 3:12.10 (05/11) | 3:18.68 (03/31) | 3:21.91 (03/17) | 3:24.83 (04/07) | 3:25.68 (03/23) |