| Name | Time | Date | Meet |
|---|---|---|---|
| Colin Richter | 52.37 | Feb. 12, 2016 | 2016 Landmark Conference Championships |
| Colin Richter | 52.48 | Feb. 13, 2015 | 2015 Landmark Conference Championships |
| Colin Richter | 53.18 | Feb. 7, 2014 | 2014 Landmark Conference Championships |
| Kyle Williams | 53.71 | Feb. 11, 2011 | Landmark Conference Championships |
| Kyle Williams | 55.07 | Feb. 12, 2010 | Landmark Conference Championships |
| Kyle Williams | 55.36 | Feb. 14, 2009 | 2009 Landmark Conference Championships - Day Two - Prelims |
