| 1) | Lomong, Alexander | Ohio State | 1:49.38 (02/24-02/25) | 1:49.38 (02/24-02/25) | 1:49.91 (02/24-02/25) | 1:49.91 (02/24-02/25) | 1:50.04 (02/03-02/04) | 1:50.04 (02/03-02/04) | 1:50.97 (02/10-02/11) | 1:50.97 (02/10-02/11) |
| 2) | Romero, Luis | TAMU-Commerce | 1:49.38 (02/10-02/11) | 1:49.38 (02/10-02/11) | 1:50.12 (03/09-03/11) | 1:50.12 (03/09-03/11) | 1:52.66 (03/09-03/11) | 1:52.66 (03/09-03/11) | 1:53.58 (01/20-01/21) | 1:53.58 (01/20-01/21) |