Female - Long Course - 400m Freestyle - Camden Swiss Cottage SC - 09 Years Age Group - At 31st December 2022
| Rank | Name | Ranked Club | YoB | Meet Name | Venue | Level | Date | Time | FINA |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Olivia Mason | Camden Swiss | 13 | 2024 Middlesex County Championships | London | 1 | 28/01/24 | 5:42.51 | 324 |