| Name | Time | Date | Meet |
|---|---|---|---|
| Carlos Vasquez | 4:32.70 | March 23, 2018 | Florida Gold Coast Senior Championships |
| Carlos Vasquez | 4:35.38 | Jan. 12, 2018 | FL T2 Aquatics Naples Open |
| Luis Bucaro | 4:40.46 | Nov. 19, 2017 | FG PST 27th Speedo Winter Championships |
| Padraic Cassidy | 4:42.82 | Nov. 20, 2016 | FG Speedo Winter Championships |
