Open/Male - Short Course - 50m Butterfly - Camden Swiss Cottage SC - 10 Years Age Group - At 31st December 2020
| Rank | Name | Ranked Club | YoB | Meet Name | Venue | Level | Date | Time | FINA |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Martin Vermaat | Camden Swiss | 10 | Winchester City Penguins Winter Autumn Qualifier | Winchester | 2 | 08/10/23 | 29.47 | 402 |
| 2 | Philip Borisov | Camden Swiss | 10 | Ealing SC 2024 Regional Qualifier Open Meet | Northolt | 3 | 02/03/24 | 31.46 | 330 |
| 3 | Jack Redford | Camden Swiss | 10 | Hillingdon Swimming Club Winter Open Meet 2023 | Hillingdon | 3 | 17/12/23 | 31.53 | 328 |
| 4 | Henry Gillam | Camden Swiss | 10 | Winchester City Penguins Winter Autumn Qualifier | Winchester | 2 | 08/10/23 | 32.59 | 297 |
| 5 | Vincent Wun | Camden Swiss | 10 | Camden Swiss Cottage SC Club Championships 2023 | Swiss Cottage LC | 4 | 11/06/23 | 33.95 | 262 |
| 6 | Harry Hobbs | Camden Swiss | 10 | 2023 Wycombe SC L3 County & Regional Qualifier | High Wycombe | 3 | 25/11/23 | 41.24 | 146 |
| 7 | Drew Richardson | Camden Swiss | 10 | Ealing SC 2023 XMAS County Qualifier | Northolt | 3 | 02/12/23 | 41.45 | 144 |
| 8 | Alexander Niotakis | Camden Swiss | 10 | Barnet Copthall Winter Invitational Meet 2024 | Hendon | 4 | 07/01/24 | 45.14 | 111 |