| 1) | Uhr, Robert | Texas | 1:49.81 (02/10-02/11) | 1:49.81 (02/10-02/11) | 1:49.84 (02/24-02/25) | 1:49.84 (02/24-02/25) | 1:50.94 (02/24-02/25) | 1:50.94 (02/24-02/25) | 1:54.49 (02/03-02/04) | 1:54.49 (02/03-02/04) |
| 2) | Leverenz, Johnny | Butler | 1:49.81 (02/24-02/25) | 1:49.81 (02/24-02/25) | 1:50.12 (02/03-02/04) | 1:50.12 (02/03-02/04) | 1:51.14 (02/10-02/11) | 1:51.14 (02/10-02/11) | 1:51.55 (01/20-01/21) | 1:51.55 (01/20-01/21) |
| 3) | Migliorati, Stefano | East Carolina | 1:49.81 (02/03-02/04) | 1:49.81 (02/03-02/04) | 1:52.47 (02/24-02/25) | 1:52.47 (02/24-02/25) | 1:53.76 (02/24-02/25) | 1:53.76 (02/24-02/25) | 1:54.63 (01/13) | 1:54.63 (01/13) |