EVENT 202 Mens 11/14 Yrs 400m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 1 | James Towers | 12 | Millfield | 5:21.66 |
| 3 | 2 | Harvey Pike | 11 | Street | 5:21.60 |
| 4 | 3 | Alfie Smithson | 12 | TigersharksW | 5:20.40 |
| 5 | 4 | Tristan Bowen | 12 | N Cornwall | 5:20.28 |
| 6 | 5 | Raul Franco-Overington | 12 | Team Bath AS | 5:20.06 |
| 7 | 6 | Samuel Chamberlain | 11 | S Bournem'th | 5:19.89 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 7 | Oliver Rowe | 12 | Bridgwater | 5:19.20 |
| 2 | 8 | Charlie Meek | 12 | Poole | 5:18.97 |
| 3 | 9 | Oliver Butler | 12 | TauntonDeane | 5:18.90 |
| 4 | 10 | George Gillett | 12 | Seagulls SC | 5:18.80 |
| 5 | 11 | Joshua Eyre | 12 | Newquay | 5:18.70 |
| 6 | 12 | James Henniker | 12 | Bristol Pen | 5:17.94 |
| 7 | 13 | Freddie Carter | 12 | Swindon Dolp | 5:16.85 |
| 8 | 14 | Zac Cooper | 11 | Severnside | 5:16.11 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 15 | Nathan Hughes | 12 | Marlborough | 5:13.58 |
| 2 | 16 | Henry Sheffield | 12 | Cirencester | 5:07.99 |
| 3 | 17 | Ashton Gifford-Groves | 12 | Millfield | 5:07.60 |
| 4 | 18 | Freddie Hodgetts | 11 | S Bournem'th | 5:07.47 |
| 5 | 19 | Jack Willis | 12 | Exeter City | 5:07.42 |
| 6 | 20 | Jonathan Turck | 12 | Plymouth Lea | 5:07.10 |
| 7 | 21 | Louis Nicholls | 13 | Chippenham | 5:06.92 |
| 8 | 22 | Xavier West | 12 | Poole | 5:06.56 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 23 | Zackary Studley | 12 | Poole | 5:06.10 |
| 2 | 24 | Anthony Davies | 13 | Millfield | 5:04.70 |
| 3 | 25 | Finn Broekhoven | 12 | Plymouth Lea | 5:02.93 |
| 4 | 26 | Joseph Martindale | 12 | Team Bath AS | 5:02.12 |
| 5 | 27 | Zak Clemens | 13 | Truro City | 5:02.00 |
| 6 | 28 | Jake Garett | 11 | Severnside | 5:01.91 |
| 7 | 29 | Lorenzo Robertson-Moro | 13 | Exeter City | 5:01.80 |
| 8 | 30 | Berk Emre Paker | 13 | Plymouth Lea | 5:01.41 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 31 | James Wheatley | 12 | Mt Kelly | 5:01.38 |
| 2 | 32 | Lawrence Elliott | 13 | Seagulls SC | 5:01.30 |
| 3 | 33 | Alex Bridges | 13 | Soundwell | 4:57.00 |
| 4 | 34 | Ethan Hiles | 13 | Poole | 4:56.50 |
| 5 | 35 | Jack Butler | 12 | TauntonDeane | 4:56.30 |
| 6 | 36 | Max Looker | 12 | Poole | 4:55.11 |
| 7 | 37 | Verner Krynauw | 13 | Millfield | 4:54.60 |
| 8 | 38 | Stephen Quine | 13 | Blandford | 4:53.06 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 39 | Charlie Rowe | 13 | South Dorset | 4:52.32 |
| 2 | 40 | Ryan Openshaw | 13 | Poole | 4:47.90 |
| 3 | 41 | Finley Chandler | 13 | Poole | 4:47.46 |
| 4 | 42 | Magnus Kelly | 13 | Millfield | 4:46.46 |
| 5 | 43 | Amos Starkey | 13 | Gloucester | 4:43.09 |
| 6 | 44 | Oliver Watts | 13 | Team Bath AS | 4:41.43 |
| 7 | 45 | Carter Stuhlmacher | 14 | Poole | 4:40.90 |
| 8 | 46 | Ryan Harper | 14 | S Bournem'th | 4:39.50 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 47 | Connor Talbot | 14 | Co Bristol | 4:39.04 |
| 2 | 48 | Archie Tyers | 14 | Exeter City | 4:39.00 |
| 3 | 49 | Maxwell Adams | 13 | Team Bath AS | 4:38.60 |
| 4 | 50 | Hubert Gdaniec | 14 | Plymouth Lea | 4:38.36 |
| 5 | 51 | Tyler Hillier | 14 | Swindon Dolp | 4:38.07 |
| 6 | 52 | Adam Graham | 13 | Millfield | 4:37.70 |
| 7 | 53 | Milo Treloar | 14 | S Bournem'th | 4:36.60 |
| 8 | 54 | Henry Osborne | 14 | Truro City | 4:36.47 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 56 | James Andrew | 14 | TigersharksW | 4:34.10 |
| 2 | 58 | Harry Polkinghorne | 13 | Truro City | 4:32.52 |
| 3 | 60 | Evan Jones | 14 | Millfield | 4:24.50 |
| 4 | 62 | James Hart | 14 | Plymouth Lea | 4:17.99 |
| 5 | 61 | Calvin Fry | 14 | Millfield | 4:23.30 |
| 6 | 59 | Robbie Hemmings | 14 | Poole | 4:31.82 |
| 7 | 57 | Jack Everett | 14 | Team Bath AS | 4:32.53 |
| 8 | 55 | Oliver Heard | 14 | TauntonDeane | 4:35.00 |