| Time | Date | Name | Meet |
|---|---|---|---|
| 4:43.11 | April 5, 2024 | Brady Gallagher | YMCA National Championships (SCY) |
| 4:43.79 | March 10, 2024 | Brady Gallagher | PA YMCA EAST District Championship Meet |
| 4:48.83 | Dec. 16, 2023 | Henry Anstine | LAC Arena Holiday Cup |
| 4:51.22 | Dec. 14, 2019 | Noel Park | MA LAC Arena Holiday Cup |
| 4:57.26 | March 22, 2019 | Adam Khatib | Pennsylvania YMCA State Swimming Championships |
| 4:57.72 | March 1, 2019 | Noel Park | MA SC Age Group Championship (c) |
| 4:58.84 | Dec. 15, 2018 | Noel Park | MA LAC Speedo Holiday Cup |
| 5:02.78 | Jan. 12, 2018 | Noel Park | PV AP WInterfest |
| 5:05.21 | March 3, 2017 | Chris O'Grady | Middle Atlantic Junior Olympic Age Group Championships |
| 5:10.76 | Dec. 10, 2016 | Chris O'Grady | MA DSC Speedo Holiday Classic |
