| Time | Date | Name | Meet |
|---|---|---|---|
| 4:37.54 | Feb. 10, 2018 | Ian Marshall | TISCA Tennessee State Championships |
| 4:40.21 | Jan. 26, 2018 | Ian Marshall | MTHSSA Regional Championship |
| 4:42.49 | Feb. 11, 2017 | Ian Marshall | Tennessee State Championships |
| 4:42.98 | Jan. 27, 2017 | Ian Marshall | MTHSSA Regional Championship |
| 4:57.10 | Feb. 13, 2016 | Ian Marshall | Tennessee State Championships |
| 4:58.10 | Feb. 11, 2012 | Cole Schott | 12 Tennessee Interscholastic Swim Coaches Association Championships |
| 5:07.86 | Feb. 12, 2011 | Cole Schott | Tennessee Interscholastic Swimming Coaches Assocation State Meet |
| 5:22.30 | Feb. 13, 2010 | Cole Schott | Tennessee State Championships |
| 5:29.57 | Feb. 14, 2009 | Kenneth Gordon | Tennessee Interscholastic Swimming Coaches Assocation State Meet |
