| Time | Date | Name | Meet |
|---|---|---|---|
| 1:45.59 | Dec. 8, 2022 | Jeremy Kelly | Speedo Winter Junior Championship West |
| 1:46.24 | March 16, 2013 | Will Licon | NCSA Junior National Championships |
| 1:49.55 | Nov. 29, 2012 | Will Licon | USA Swimming Winter Nationals |
| 1:51.40 | Dec. 8, 2011 | Will Licon | Speedo Junior National Championships |
| 1:51.74 | Dec. 10, 2009 | Ian Bishop | Speedo Junior Nationals |
| 1:58.08 | Dec. 2, 2006 | Anders Storvik | Gator Holiday Classic |
