| Name | Time | Date | Meet |
|---|---|---|---|
| Juan Diego Leon | 58.02 | March 22, 2024 | FGC SENIOR CHAMPIONSHIPS |
| Juan Diego Leon | 58.13 | Dec. 10, 2023 | FG PST 33rd Speedo Winter Championships |
| Juan Diego Leon | 58.28 | March 10, 2023 | 2023 FG Age Group Championship |
| Aiden Kohanyi | 58.87 | Feb. 9, 2020 | FG CSSC Open Invite |
| Aiden Kohanyi | 59.90 | Dec. 15, 2019 | FG PST Winter Championships |
| Aiden Kohanyi | 1:00.10 | March 16, 2018 | FG CSSC Junior Olympics |
| Francisco Cantu | 1:02.17 | Nov. 19, 2016 | FG Speedo Winter Championships |
