| 1) | Kauppila, Noah | Princeton | 1:51.85 (01/29) | 1:51.91 (04/08) | 1:52.97 (05/06-05/07) | 1:54.74 (05/06-05/07) | ||||
| 2) | Aririguzoh, Franklin | Princeton | 1:51.85 (02/25) | 1:51.94 (04/21-04/22) | 1:52.33 (03/30-04/01) | 1:52.42 (04/08) | 1:52.61 (01/29) | 1:52.72 (02/04) | 1:53.25 (02/25) | 1:53.26 (04/14-04/15) |