| Name | Time | Date | Meet |
|---|---|---|---|
| Zarek Wilson | 44.76 | Dec. 11, 2021 | 31st Speedo Winter Championships - Plantation |
| Zarek Wilson | 45.75 | March 19, 2021 | FG SOFL FGC Senior Championships |
| Nicholas Dworet | 46.53 | Nov. 10, 2017 | – |
| Diego Machado | 47.79 | March 16, 2017 | NCSA Spring Junior National Championship |
| Nicholas Dworet | 48.21 | Nov. 18, 2016 | FG Speedo Winter Championships |
