Female - Long Course - 50m Butterfly - Camden Swiss Cottage SC - 11 Years Age Group - At 31st December 2020
| Rank | Name | Ranked Club | YoB | Meet Name | Venue | Level | Date | Time | FINA |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Daisy Maclean | Camden Swiss | 09 | City of Sheffield SS Premier Open Meet 2024 | Sheffield | 1 | 09/03/24 | 31.38 | 471 |
| 2 | Maya Al Faisal | Camden Swiss | 09 | Winchester City Penguins Summer Scorcher 2023 | Winchester | 3 | 22/07/23 | 32.62 | 420 |
| 3 | Tess Jackson | Camden Swiss | 09 | 2024 Middlesex County Championships | London | 1 | 28/01/24 | 33.30 | 394 |
| 4 | Molly Byass | Camden Swiss | 09 | 2024 Middlesex County Championships | London | 1 | 28/01/24 | 33.77 | 378 |
| 5 | Charlotte Veilex | Camden Swiss | 09 | Cardiff International Open Meet 2023 | Cardiff | 1 | 20/05/23 | 36.88 | 290 |