Female - Long Course - 50m Backstroke - Camden Swiss Cottage SC - 11 Years Age Group - At 31st December 2018
| Rank | Name | Ranked Club | YoB | Meet Name | Venue | Level | Date | Time | FINA |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Lila Byass | Camden Swiss | 07 | Derby Excel New Year Meet 2024 | Sheffield | 1 | 20/01/24 | 33.22 | 528 |
| 2 | Matilda Gillam | Camden Swiss | 07 | Cardiff International Open Meet 2023 | Cardiff | 1 | 21/05/23 | 37.22 | 375 |