| Name | Time | Date | Meet |
|---|---|---|---|
| Kanoa Kaleoaloha | 44.27 | Dec. 21, 2014 | Hawaii Age Group Championships |
| Kevin Frifeldt | 45.08 | March 13, 2014 | Speedo Champions Series - Federal Way |
| Kevin Frifeldt | 45.20 | March 14, 2013 | Speedo Champions Series - Federal Way |
| Kevin Frifeldt | 46.25 | Nov. 17, 2012 | 2012 HI Swimming Senior SCY Championships |
| Kacy Johnson | 46.46 | March 10, 2011 | 2011 Speedo Sectionals - Federal Way, WA |
| Kacy Johnson | 46.59 | March 10, 2010 | Speedo Champions Series - Federal Way |
