Open/Male - Long Course - 400m Freestyle - Camden Swiss Cottage SC - Open Age Group
| Rank | Name | Ranked Club | YoB | Meet Name | Venue | Level | Date | Time | FINA |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Llewellyn Porter | Camden Swiss | 08 | Speedo Aquatics GB Swimming Championships 2024 | London | 1 | 02/04/24 | 4:01.28 | 758 |
| 2 | Cillian Bramham | Camden Swiss | 08 | City of Sheffield SS Premier Open Meet 2024 | Sheffield | 1 | 10/03/24 | 4:25.05 | 572 |
| 3 | Martin Vermaat | Camden Swiss | 10 | City of Sheffield SS Premier Open Meet 2024 | Sheffield | 1 | 10/03/24 | 4:25.88 | 567 |
| 4 | Henry Gillam | Camden Swiss | 10 | City of Sheffield SS Premier Open Meet 2024 | Sheffield | 1 | 10/03/24 | 4:32.77 | 525 |
| 5 | Hubert Pytlowany | Ealing | 08 | 2024 Middlesex County Championships | London | 1 | 27/01/24 | 4:34.24 | 516 |
| 6 | Sauren Singh | Camden Swiss | 08 | 2024 Middlesex County Championships | London | 1 | 27/01/24 | 4:35.20 | 511 |
| 7 | Leonardo Diallo | Camden Swiss | 09 | Leinster LC Open January 2024 | Dublin | 1 | 27/01/24 | 4:38.34 | 494 |
| 8 | Vincent Wun | Camden Swiss | 10 | Newham & UEL SC National Qualifier Open Meet 2024 | Stratford | 1 | 24/03/24 | 4:48.65 | 443 |
| 9 | Finn Mathers | Camden Swiss | 11 | 2024 Middlesex County Championships | London | 1 | 27/01/24 | 4:55.37 | 413 |
| 10 | Jason Gholami | Camden Swiss | 09 | 2024 Middlesex County Championships | London | 1 | 27/01/24 | 4:57.30 | 405 |
| 11 | Malachy Hitchcock | Camden Swiss | 08 | Cardiff International Open Meet 2023 | Cardiff | 1 | 20/05/23 | 5:01.68 | 388 |
| 12 | Murray Sugasa | Camden Swiss | 11 | Newham & UEL SC National Qualifier Open Meet 2024 | Stratford | 1 | 24/03/24 | 5:06.64 | 369 |
| 13 | Luc Bonfiglio | Camden Swiss | 11 | Newham & UEL SC National Qualifier Open Meet 2024 | Stratford | 1 | 24/03/24 | 5:08.79 | 361 |
| 14 | Daniel Daly | Camden Swiss | 11 | 2024 Middlesex County Championships | London | 1 | 27/01/24 | 5:12.45 | 349 |
| 15 | Alexander Thanassoulas | Camden Swiss | 11 | Newham & UEL SC National Qualifier Open Meet 2024 | Stratford | 1 | 24/03/24 | 5:14.03 | 344 |
| 16 | Sander Taboada | Camden Swiss | 09 | Cardiff International Open Meet 2023 | Cardiff | 1 | 20/05/23 | 5:20.95 | 322 |
| 17 | Zoran Butorac | Camden Swiss | 11 | 2024 Middlesex County Championships | London | 1 | 27/01/24 | 5:29.71 | 297 |
| 18 | Lucas Vermaat | Camden Swiss | 12 | Newham & UEL SC National Qualifier Open Meet 2024 | Stratford | 1 | 24/03/24 | 5:38.35 | 275 |
| 19 | Liam Ardill | Camden Swiss | 13 | 2024 Middlesex County Championships | London | 1 | 27/01/24 | 5:55.30 | 237 |
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