| Name | Time | Date | Meet |
|---|---|---|---|
| Zarek Wilson | 51.61 | Dec. 12, 2021 | 31st Speedo Winter Championships - Plantation |
| Eddy Marin | 52.30 | March 18, 2021 | FG SOFL FGC Senior Championships |
| Eddy Marin | 53.34 | Dec. 16, 2018 | FG PST 28th Annual Speedo Winter Championships |
| Carlos Vasquez | 54.07 | Feb. 11, 2018 | FG CSSC Open Invitational |
| Nicholas Dworet | 54.57 | Nov. 17, 2017 | FG PST 27th Speedo Winter Championships |
| Nicholas Dworet | 56.52 | Nov. 18, 2016 | FG Speedo Winter Championships |
