| 1) Wheaton (Ill.) | 3:53.99 (04/25) | 3:55.68 (05/03) | 3:56.38 (03/28) | 3:56.72 (05/17) | 3:57.67 (05/09) | 3:58.06 (04/20) | 4:02.19 (04/04) | 4:11.53 (04/26) |
| 2) Tufts | 3:53.99 (05/09) | 3:56.91 (05/16) | 4:00.98 (04/27) | 4:03.62 (05/02) | 4:03.66 (04/13) | 4:10.44 (04/20) | 4:11.72 (04/13) | 4:15.39 (03/30) |