Open/Male - Long Course - 400m Individual Medley - 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 | Leonardo Diallo | Camden Swiss | 09 | SE London Region Summer Championships 2024 | London | 1 | 04/05/24 | 5:08.97 | 483 |
| 2 | Victor Gould | Camden Swiss | 09 | Derby Excel New Year Meet 2024 | Sheffield | 1 | 21/01/24 | 5:11.31 | 472 |
| 3 | Jason Gholami | Camden Swiss | 09 | 2024 Middlesex County Championships | Hillingdon | 1 | 04/02/24 | 5:45.94 | 344 |