| Name | Time | Date | Meet |
|---|---|---|---|
| Belen Morales | 5:00.63 | March 23, 2024 | FGC SENIOR CHAMPIONSHIPS |
| Belen Morales | 5:07.14 | March 18, 2023 | FGC Senior Championships |
| Delaney Biro | 5:08.36 | March 22, 2019 | Florida Gold Coast Senior Championships |
| Delaney Biro | 5:10.53 | Dec. 14, 2018 | FG PST 28th Annual Speedo Winter Championships |
| Delaney Biro | 5:12.45 | Jan. 12, 2018 | FL T2 Aquatics Naples Open |
| Samantha Litman | 5:26.90 | Nov. 19, 2017 | FG PST 27th Speedo Winter Championships |
| Andrea Bucaro | 5:31.10 | March 24, 2017 | FGC Senior Championships |
| Sofia Marquis | 5:54.81 | Nov. 20, 2016 | FG Speedo Winter Championships |
