Open/Male - Long Course - 400m Individual Medley - Camden Swiss Cottage SC - 08 Years Age Group - At 31st December 2020
| Rank | Name | Ranked Club | YoB | Meet Name | Venue | Level | Date | Time | FINA |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Lucas Vermaat | Camden Swiss | 12 | SE London Region Summer Championships 2024 | London | 1 | 04/05/24 | 6:10.24 | 280 |
| 2 | Alex Nicorici | Camden Swiss | 12 | Winchester City Penguins Summer Scorcher 2023 | Winchester | 3 | 23/07/23 | 6:13.19 | 274 |