| 1) | Holden, Simon | Wake Forest | 1:49.78 (02/23-02/25) | 1:49.78 (02/23-02/25) | 1:50.47 (01/13-01/14) | 1:50.47 (01/13-01/14) | 1:50.51 (02/23-02/25) | 1:50.51 (02/23-02/25) | 1:50.69 (01/27-01/28) | 1:50.69 (01/27-01/28) |
| 2) | Williams, Cooper | Indiana | 1:49.78 (02/24-02/25) | 1:49.78 (02/24-02/25) | 1:51.49 (02/03-02/04) | 1:51.49 (02/03-02/04) | 1:52.26 (01/27-01/28) | 1:52.26 (01/27-01/28) | 1:52.80 (01/14) | 1:52.80 (01/14) |