| 1) | Bastian, Alex | Washington U. | 1:54.95 (02/28-03/01) | 1:54.95 (02/28-03/01) | 1:56.74 (02/06-02/07) | 1:57.59 (02/28-03/01) | 1:57.59 (02/28-03/01) | 1:57.60 (02/14) | 1:58.85 (01/24) | 1:58.88 (03/07) |
| 2) | DeBolt, Andrew | Elmhurst | 1:54.95 (02/27-02/28) | 1:55.05 (03/07) | 1:55.52 (01/31) | 1:55.65 (02/13-02/14) | 1:57.17 (02/07) |