Open/Male - Short Course - 100m Butterfly - Camden Swiss Cottage SC - 13 Years Age Group - At 31st December 2021
| Rank | Name | Ranked Club | YoB | Meet Name | Venue | Level | Date | Time | FINA |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Llewellyn Porter | Camden Swiss | 08 | Swim England Winter Championships 2023 | Sheffield | 2 | 14/12/23 | 55.06 | 653 |
| 2 | Sauren Singh | Camden Swiss | 08 | SE London Winter Championships 2023 | Stratford | 2 | 05/11/23 | 1:02.61 | 444 |
| 3 | Amir Jelbaoui | Camden Swiss | 08 | Hillingdon Swimming Club Winter Open Meet 2023 | Hillingdon | 3 | 16/12/23 | 1:02.70 | 442 |
| 4 | Hubert Pytlowany | Ealing | 08 | Swim England National County Team Champs 2023 | Sheffield | 2 | 08/10/23 | 1:02.91 | 438 |
| 5 | Malachy Hitchcock | Camden Swiss | 08 | National Arena Swimming League - London 2023 | Luton | 2 | 11/11/23 | 1:07.97 | 347 |
| 6 | Sapir Pasheli | Camden Swiss | 08 | Ealing SC 2023 XMAS County Qualifier | Northolt | 3 | 02/12/23 | 1:11.53 | 298 |
| 7 | Leonard Stocker | Camden Swiss | 08 | Camden Swiss Cottage SC Club Championships 2023 | Swiss Cottage LC | 4 | 11/06/23 | 1:18.74 | 223 |
| 8 | Pip Jones | Camden Swiss | 08 | Barnet Copthall Winter Invitational Meet 2024 | Hendon | 4 | 07/01/24 | 1:20.27 | 210 |