| Name | Time | Date | Meet |
|---|---|---|---|
| Sammy Sierra | 3:55.44 | March 18, 2022 | 2022 Indiana Senior State Championships |
| John Bossler | 3:56.66 | Dec. 13, 2019 | Speedo Winter Junior Championships - East |
| John Bossler | 4:04.37 | Dec. 7, 2018 | Time Trials East Speedo Winter Jrs |
| Parker Saladin | 4:05.45 | Dec. 11, 2014 | Speedo WInter Junior - Time Trials |
| Tim Blue | 4:09.82 | March 10, 2006 | Indiana Senior State |
| Louis Cavadini | 4:14.01 | March 14, 2003 | Indiana Senior State |
