Open/Male - Short Course - 400m Freestyle - Camden Swiss Cottage SC - 11 Years Age Group - At 31st December 2021
| Rank | Name | Ranked Club | YoB | Meet Name | Venue | Level | Date | Time | FINA |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Martin Vermaat | Camden Swiss | 10 | 2023 Wycombe SC L3 County & Regional Qualifier | High Wycombe | 3 | 26/11/23 | 4:25.84 | 508 |
| 2 | Henry Gillam | Camden Swiss | 10 | Hillingdon Swimming Club Winter Open Meet 2023 | Hillingdon | 3 | 16/12/23 | 4:28.29 | 495 |
| 3 | Atai Parnes Molcho | Camden Swiss | 10 | Ealing SC 2024 Regional Qualifier Open Meet | Northolt | 3 | 03/03/24 | 4:31.22 | 479 |
| 4 | Vincent Wun | Camden Swiss | 10 | Winchester City Penguins Winter Autumn Qualifier | Winchester | 2 | 07/10/23 | 4:44.52 | 415 |
| 5 | Jack Redford | Camden Swiss | 10 | 2023 Wycombe SC L3 County & Regional Qualifier | High Wycombe | 3 | 26/11/23 | 4:57.91 | 361 |
| 6 | Philip Borisov | Camden Swiss | 10 | Ealing SC 2024 Regional Qualifier Open Meet | Northolt | 3 | 03/03/24 | 5:06.44 | 332 |
| 7 | Harry Hobbs | Camden Swiss | 10 | Ealing SC 2024 Regional Qualifier Open Meet | Northolt | 3 | 03/03/24 | 5:52.06 | 219 |
| 8 | Alexander Niotakis | Camden Swiss | 10 | Camden Swiss Cottage SC Club Championships 2023 | Swiss Cottage LC | 4 | 09/06/23 | 6:46.66 | 142 |