Open/Male - Long Course - 50m Butterfly - Camden Swiss Cottage SC - Open Age Group
| Rank | Name | Ranked Club | YoB | Meet Name | Venue | Level | Date | Time | FINA |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Mehmet Zeren | Camden Swiss | 06 | SE London Summer Championships 2023 | Stratford | 1 | 29/04/23 | 25.51 | 665 |
| 2 | Llewellyn Porter | Camden Swiss | 08 | Derby Excel New Year Meet 2024 | Sheffield | 1 | 21/01/24 | 26.21 | 613 |
| 3 | Amir Jelbaoui | Camden Swiss | 08 | City of Sheffield SS Premier Open Meet 2024 | Sheffield | 1 | 10/03/24 | 27.52 | 529 |
| 4 | Hubert Pytlowany | Ealing | 08 | Swim England National Summer Meet 2023 | Sheffield | 1 | 06/08/23 | 27.91 | 508 |
| 5 | Cillian Bramham | Camden Swiss | 08 | Newham & UEL SC National Qualifier Open Meet 2024 | Stratford | 1 | 23/03/24 | 28.31 | 486 |
| 6 | Sauren Singh | Camden Swiss | 08 | Newham & UEL SC National Qualifier Open Meet 2024 | Stratford | 1 | 23/03/24 | 28.42 | 481 |
| 7 | Lucas Bohm | Camden Swiss | 07 | SE London Summer Championships 2023 | Stratford | 1 | 29/04/23 | 28.53 | 475 |
| 8 | Martin Vermaat | Camden Swiss | 10 | Derby Excel New Year Meet 2024 | Sheffield | 1 | 21/01/24 | 28.79 | 462 |
| 9 | Arthur Cory-Wright | Camden Swiss | 07 | Newham & UEL SC National Qualifier Open Meet 2024 | Stratford | 1 | 23/03/24 | 29.34 | 437 |
| 10 | Nikita Markov | Camden Swiss | 06 | London Youth Games 2023 | London | 1 | 01/07/23 | 29.36 | 436 |
| 11 | Sapir Pasheli | Camden Swiss | 08 | 2024 Middlesex County Championships | London | 1 | 27/01/24 | 29.90 | 413 |
| 12 | Lev Gorelik | Camden Swiss | 07 | Cardiff International Open Meet 2023 | Cardiff | 1 | 20/05/23 | 30.00 | 409 |
| 13 | Jack Redford | Camden Swiss | 10 | Newham & UEL SC National Qualifier Open Meet 2024 | Stratford | 1 | 23/03/24 | 30.81 | 377 |
| 14 | Daniel Daly | Camden Swiss | 11 | Newham & UEL SC National Qualifier Open Meet 2024 | Stratford | 1 | 23/03/24 | 31.48 | 354 |
| 15 | Sander Taboada | Camden Swiss | 09 | 2024 Middlesex County Championships | London | 1 | 27/01/24 | 31.72 | 346 |
| 16 | Alex Nicorici | Camden Swiss | 12 | 2024 Middlesex County Championships | London | 1 | 27/01/24 | 31.74 | 345 |
| 17 | Philip Borisov | Camden Swiss | 10 | Newham & UEL SC National Qualifier Open Meet 2024 | Stratford | 1 | 23/03/24 | 32.20 | 330 |
| 18 | Henry Gillam | Camden Swiss | 10 | Portsmouth Northsea End of Season 2023 LC L3 Meet | Mountbatten Centre | 3 | 15/07/23 | 32.35 | 326 |
| 19 | Oliver Finch | Camden Swiss | 10 | SE London Summer Championships 2023 | Stratford | 1 | 29/04/23 | 32.66 | 317 |
| 20 | Finn Mathers | Camden Swiss | 11 | 2024 Middlesex County Championships | London | 1 | 27/01/24 | 32.75 | 314 |
| 21 | Malachy Hitchcock | Camden Swiss | 08 | Cardiff International Open Meet 2023 | Cardiff | 1 | 20/05/23 | 32.96 | 308 |
| 22 | Murray Sugasa | Camden Swiss | 11 | Newham & UEL SC National Qualifier Open Meet 2024 | Stratford | 1 | 23/03/24 | 33.33 | 298 |
| 23 | Luc Bonfiglio | Camden Swiss | 11 | 2024 Middlesex County Championships | London | 1 | 27/01/24 | 34.42 | 270 |
| 24 | Martin Perez | Camden Swiss | 12 | Newham & UEL SC National Qualifier Open Meet 2024 | Stratford | 1 | 23/03/24 | 34.57 | 267 |
| 25 | Zoran Butorac | Camden Swiss | 11 | Newham & UEL SC National Qualifier Open Meet 2024 | Stratford | 1 | 23/03/24 | 36.97 | 218 |
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