Boys Open 400m IM - Heats (Declared Winners)
10/11 Yrs Age Group - Full Results
| Place | Name | AaD | Club | | Time | | | FINA Pt | |
| 1. | Arthur Bown-Mazzoni | 11 | Aquae Sulis | | 5:56.80 | | | 319 | |
| 2. | Andrew Smith | 11 | TigersharksW | | 5:57.16 | | | 318 | |
| 3. | Alexander Sargeant | 11 | Millfield | | 5:57.25 | | | 317 | |
| 4. | Jami Schlueter | 11 | Millfield | | 5:59.12 | | | 313 | |
| 5. | Oliver Fairman | 11 | S Bournem'th | | 6:00.37 | | | 309 | |
| 6. | Archie Coulthard | 11 | St Ives Bay | | 6:08.46 | | | 289 | |
| 7. | Dominic Dodds | 11 | Plymouth Lea | | 6:10.66 | | | 284 | |
| 8. | George Langman | 11 | Co Bristol | | 6:12.65 | | | 280 | |
| | Benjamin Walker | 11 | TigersharksW | | DNC | | | | |
| | Matthew Hardick | 11 | Aquae Sulis | | DNC | | | | |
| | Marshall Fitchett | 11 | TigersharksW | | DQ T 5L | | | | |
12 Yrs Age Group - Full Results
| Place | Name | AaD | Club | | Time | | | FINA Pt | |
| 1. | Edward Maddocks | 12 | Gloucester | | 5:15.42 | | | 462 | |
| 2. | Finnian Trehane | 12 | Bourmth Coll | | 5:15.44 | | | 461 | |
| 3. | Joel Williams | 12 | Soundwell | | 5:26.17 | | | 417 | |
| 4. | Adam Davies | 12 | Plymouth Lea | | 5:27.16 | | | 414 | |
| 5. | Fraser Humphrey | 12 | Aquae Sulis | | 5:27.18 | | | 413 | |
| 6. | Samuel Lawton | 12 | Aquae Sulis | | 5:35.49 | | | 383 | |
| 7. | Benjamin Clarke | 12 | Aquae Sulis | | 5:37.59 | | | 376 | |
| 8. | Zachary Broomfield | 12 | St Ives Bay | | 5:39.11 | | | 371 | |
| 9. | Evan Brunsdon | 12 | Weston S M | | 5:46.08 | | | 349 | |
| 10. | Donald Bisset | 12 | Gloucester | | 5:49.23 | | | 340 | |
| 11. | Kaspar Wickens Shaw | 12 | Gloucester | | 5:54.47 | | | 325 | |
| | Luke Morgan | 12 | TigersharksW | | DNC | | | | |
| | Mason Angove | 12 | TauntonDeane | | DNC | | | | |
13 Yrs Age Group - Full Results
| Place | Name | AaD | Club | | Time | | | FINA Pt | |
| 1. | Jordan Ludlam | 13 | Aquae Sulis | | 5:01.63 | | | 528 | |
| 2. | Jacob Peters | 13 | Poole | | 5:13.14 | | | 472 | |
| 3. | Christian Tai | 13 | Bourmth Coll | | 5:16.97 | | | 455 | |
| 4. | Jack Arnell | 13 | Bourmth Coll | | 5:20.98 | | | 438 | |
| 5. | Jacob Bailey | 13 | Yeovil | | 5:22.52 | | | 432 | |
| 6. | Thomas Brew | 13 | Kelly Coll | | 5:22.79 | | | 431 | |
| 7. | Alexander Turner | 13 | Aquae Sulis | | 5:26.90 | | | 415 | |
| 8. | Edward Austin | 13 | Aquae Sulis | | 5:29.76 | | | 404 | |
| 9. | Jacob Gibbons | 13 | Carn Brea | | 5:32.13 | | | 395 | |
| 10. | James King | 13 | Weston S M | | 5:32.19 | | | 395 | |
| 11. | Ben Rawlins | 13 | Southwold | | 5:32.51 | | | 394 | |
| 12. | Henry Bennett | 13 | Southwold | | 5:32.86 | | | 393 | |
| 13. | George Spencer | 13 | Plymouth Lea | | 5:33.15 | | | 392 | |
| 14. | Jacob Newcombe | 13 | Kelly Coll | | 5:33.46 | | | 391 | |
| 15. | Joshua Fox | 13 | Swindon Dolp | | 5:39.08 | | | 371 | |
| 16. | Henry Taswell | 13 | Chard | | 5:41.30 | | | 364 | |
| 17. | Matthew Cochrane | 13 | Poole | | 5:41.55 | | | 363 | |
| 18. | Ethan Rayment | 13 | Plymouth Lea | | 5:47.60 | | | 345 | |
| 19. | Adam Hall | 13 | Gloucester | | 5:48.98 | | | 341 | |
| 20. | Jake Hill | 13 | TauntonDeane | | 5:52.53 | | | 330 | |
| 21. | Zachary Derrick | 13 | Co Bristol | | 5:53.10 | | | 329 | |
| 22. | Steven Lewis | 13 | Carn Brea | | 5:56.48 | | | 320 | |
| | Thomas Harrison | 13 | Kelly Coll | | DNC | | | | |
| | Benjamin Samuel | 13 | S Bournem'th | | DNC | | | | |
| | Connor Sleeman | 13 | Launceston | | DNC | | | | |
| | Sam Dailley | 13 | Plymouth Lea | | DNC | | | | |
14 Yrs Age Group - Full Results
| Place | Name | AaD | Club | | Time | | | FINA Pt | |
| 1. | Charlie Head | 14 | Aquae Sulis | | 4:51.81 | | | 583 | |
| 2. | Jake Bentley | 14 | Kelly Coll | | 4:54.36 | | | 568 | |
| 3. | Alexander Seymour | 14 | Gloucester | | 4:56.80 | | | 554 | |
| 4. | Benjamin Lawton | 14 | Aquae Sulis | | 4:58.01 | | | 547 | |
| 5. | Oliver Manser | 14 | Millfield | | 5:01.61 | | | 528 | |
| 6. | Benjamin Staig | 14 | Kelly Coll | | 5:01.86 | | | 527 | |
| 7. | Harry Middleton | 14 | Plymouth Lea | | 5:02.49 | | | 523 | |
| 8. | Henry Bramwell-Reeks | 14 | Bourmth Coll | | 5:04.09 | | | 515 | |
| 9. | Nathan Linden | 14 | Kelly Coll | | 5:11.16 | | | 481 | |
| 10. | Jack Tucker | 14 | Millfield | | 5:11.73 | | | 478 | |
| 11. | Matthew Munden | 14 | Gloucester | | 5:12.29 | | | 476 | |
| 12. | John Byrne | 14 | Yeovil | | 5:23.93 | | | 426 | |
| 13. | Frederick Webb | 14 | Aquae Sulis | | 5:28.40 | | | 409 | |
| 14. | Connor Keeler | 14 | Penzance | | 5:32.12 | | | 395 | |
| | Nicholas Laws | 14 | Millfield | | DNC | | | | |
| | Mazem Youssef | 14 | Plymouth Lea | | DNC | | | | |
| | Christopher Malone | 14 | Gloucester | | DNC | | | | |
| | Takudzwanashe Chaza | 14 | Kelly Coll | | DNC | | | | |
| | Max McCusker | 14 | Millfield | | DNC | | | | |
| | Joshua Lawson | 14 | Millfield | | DNC | | | | |
| | Kameron Smith | 14 | Frome | | DQ T 3L | | | | |
15 Yrs/Over Age Group - Full Results
| Place | Name | AaD | Club | | Time | | | FINA Pt | |
| 1. | Harry Hathaway | 17 | Kelly Coll | | 4:49.00 | | | 600 | |
| 2. | Craig Munden | 17 | Gloucester | | 4:50.68 | | | 590 | |
| 3. | Jack Pearson | 16 | Exeter City | | 4:53.15 | | | 575 | |
| 4. | Finn Linton | 15 | Kelly Coll | | 4:54.60 | | | 567 | |
| 5. | Alexander Raw | 15 | Plymouth Lea | | 4:56.91 | | | 553 | |
| | Henry Chesterman | 15 | Millfield | | DNC | | | | |
