Female - Short Course - 400m Individual Medley - Camden Swiss Cottage SC - 10 Years Age Group - At 31st December 2021
| Rank | Name | Ranked Club | YoB | Meet Name | Venue | Level | Date | Time | FINA |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Nina Morii | Camden Swiss | 11 | SE London Winter Championships 2023 | Stratford | 2 | 05/11/23 | 5:26.87 | 497 |
| 2 | Eleanor Porter | Camden Swiss | 11 | 2023 Wycombe SC L3 County & Regional Qualifier | High Wycombe | 3 | 24/11/23 | 5:27.24 | 495 |
| 3 | Linnoa Hurcombe | Camden Swiss | 11 | SE London Winter Championships 2023 | Stratford | 2 | 05/11/23 | 5:30.30 | 481 |
| 4 | Eva Chamorro | Camden Swiss | 11 | Hillingdon Swimming Club Winter Open Meet 2023 | Hillingdon | 3 | 16/12/23 | 5:36.48 | 455 |
| 5 | Jemima Da Silva | Camden Swiss | 11 | 2023 Wycombe SC L3 County & Regional Qualifier | High Wycombe | 3 | 24/11/23 | 5:43.20 | 429 |
| 6 | Maya Fitzhardinge | Camden Swiss | 11 | Ealing SC 2024 Regional Qualifier Open Meet | Northolt | 3 | 03/03/24 | 5:44.36 | 425 |
| 7 | Lara Trunkfield | Camden Swiss | 11 | Romford Town Last Chance Regional Qualifier 2024 | Romford | 3 | 13/04/24 | 5:58.31 | 377 |
| 8 | Antonia Nazar | Anaconda | 11 | Ealing SC 2023 XMAS County Qualifier | Northolt | 3 | 02/12/23 | 6:19.63 | 317 |