Open/Male - 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 | Finn Mathers | Camden Swiss | 11 | Ealing SC 2023 XMAS County Qualifier | Northolt | 3 | 03/12/23 | 5:39.13 | 331 |
| 2 | Alexander Thanassoulas | Camden Swiss | 11 | Ealing SC 2024 Regional Qualifier Open Meet | Northolt | 3 | 02/03/24 | 5:54.02 | 291 |
| 3 | Luc Bonfiglio | Camden Swiss | 11 | 2023 Wycombe SC L3 County & Regional Qualifier | High Wycombe | 3 | 24/11/23 | 5:56.35 | 286 |
| 4 | Zoran Butorac | Camden Swiss | 11 | Romford Town Last Chance Regional Qualifier 2024 | Romford | 3 | 13/04/24 | 5:59.23 | 279 |