| Name | Time | Date | Meet |
|---|---|---|---|
| Aaron Shackell | 53.13 | June 29, 2023 | Phillips 66 USA National Championships |
| Drew Kibler | 53.60 | June 29, 2017 | Phillips 66 Summer National Championships |
| Drew Kibler | 54.91 | March 31, 2017 | Speedo Champions Series - Indianapolis |
| Brendan Joyce | 55.22 | July 21, 2009 | Speedo Champions Series - Oxford |
| Chris Belcher | 58.63 | Dec. 4, 2003 | 2003 U.S. Open Swimming Championship |
| Grant Wieczorek | 59.60 | July 18, 2003 | Indiana Senior State Championships |
