EVENT 501 Open/Male 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 2 | Barnaby West | 12 | Ledbury | 6:15.50 |
| 3 | 4 | Nathan Cooper | 13 | Boldmere | 6:05.21 |
| 4 | 6 | Max Robins | 13 | Co Birm'ham | 6:03.20 |
| 5 | 5 | Bobby Thomas | 12 | Redditch | 6:03.40 |
| 6 | 3 | Oliver Burrows | 12 | Dove Valley | 6:08.52 |
| 7 | 1 | Lawson Garbett | 12 | Walsall | 6:28.60 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 8 | Maxwell Swann | 13 | Cosacss | 6:01.17 |
| 1 | 10 | Adam Rahati | 13 | Wrekin SC | 5:59.00 |
| 2 | 12 | Christopher Hung | 13 | Co Birm'ham | 5:41.00 |
| 3 | 14 | Enzo Piatkowski | 13 | Co Coventry | 5:39.70 |
| 4 | 16 | Sam Huckfield | 14 | Sandwell | 5:38.29 |
| 5 | 15 | Jacob Smith | 13 | Strat Sharks | 5:39.40 |
| 6 | 13 | Rory Yarnley | 13 | Northgate | 5:39.96 |
| 7 | 11 | Hugo Bouras | 13 | Newcastle St | 5:54.75 |
| 8 | 9 | Nicholas Lawrence | 13 | Nuneaton | 6:00.63 |
| 9 | 7 | Denis Neimanis-Kosarev | 13 | Nuneaton | 6:03.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 18 | James Masterson | 14 | Cheadle | 5:37.70 |
| 1 | 20 | Zechariah Yuen | 14 | Co Birm'ham | 5:36.81 |
| 2 | 22 | Evan Lau | 12 | Co Birm'ham | 5:32.50 |
| 3 | 24 | Harry Hayward | 14 | Nuneaton | 5:31.20 |
| 4 | 26 | Milton Xavier Yau | 13 | Co Coventry | 5:28.82 |
| 5 | 25 | James Guest | 14 | Royal Wolv | 5:30.40 |
| 6 | 23 | James Ward | 14 | Sandwell | 5:31.73 |
| 7 | 21 | Thomas Adamson | 14 | Boldmere | 5:33.77 |
| 8 | 19 | Cade Goucher | 14 | Co Coventry | 5:37.50 |
| 9 | 17 | Leo Shih | 13 | Redditch | 5:37.82 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 28 | Sebastian Payne | 14 | Droitwich | 5:26.20 |
| 1 | 30 | Heath Murphy | 14 | Nuneaton | 5:20.57 |
| 2 | 33 | Henli Davidson | 15 | Boldmere | 5:16.05 |
| 3 | 35 | Jude Newey-Keane | 14 | Co Birm'ham | 5:15.52 |
| 4 | 37 | Archie Drury-Tew | 15 | Co Birm'ham | 5:10.20 |
| 5 | 36 | Lincoln Lewitzkyi | 15 | Worcester | 5:12.70 |
| 6 | 34 | Reece Linge | 14 | EllesmereCSA | 5:15.60 |
| 7 | 32 | Finley Spooner | 15 | Cheadle | 5:17.10 |
| 8 | 29 | Daniel Tomlinson | 14 | Cosacss | 5:23.98 |
| 9 | 27 | Jayden Lal | 14 | Walsall | 5:27.86 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 39 | Rocco Murphy | 15 | Nuneaton | 5:09.20 |
| 1 | 41 | Lucas Tavares | 16 | Sandwell | 5:08.25 |
| 2 | 43 | George Custer | 15 | Royal Wolv | 5:05.69 |
| 3 | 45 | Joseph Agoston | 15 | Worcester | 5:05.39 |
| 4 | 47 | Noah Gambroudes | 16 | Co Birm'ham | 5:01.69 |
| 5 | 46 | Ryan Lau | 15 | Co Birm'ham | 5:03.70 |
| 6 | 44 | Jason Li | 13 | Co Birm'ham | 5:05.50 |
| 7 | 42 | Finley Ferguson | 16 | Ledbury | 5:07.55 |
| 8 | 40 | Sam Good | 15 | Wrekin SC | 5:08.50 |
| 9 | 38 | Benjamin Hung | 15 | Co Birm'ham | 5:09.60 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 50 | Ashley Keay | 17 | StaffordApex | 4:57.50 |
| 1 | 54 | Josh Drury-Tew | 16 | Co Birm'ham | 4:54.50 |
| 2 | 58 | Elliot Lawton | 17 | Co Coventry | 4:46.50 |
| 3 | 62 | Oscar Devaal | 16 | Biddulph | 4:44.00 |
| 4 | 66 | Dominic Simpson | 19 | Nuneaton | 4:37.70 |
| 5 | 64 | Matthew Evans | 28 | Walsall | 4:42.00 |
| 6 | 60 | Theo Bruntlett | 16 | Nuneaton | 4:44.20 |
| 7 | 56 | Leroy Shih | 15 | Co Birm'ham | 4:52.40 |
| 8 | 52 | Harry Langford | 16 | Royal Wolv | 4:55.62 |
| 9 | 48 | Jack Smith | 15 | Co Birm'ham | 4:59.20 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 51 | Aled Lee | 17 | Redditch | 4:56.30 |
| 1 | 55 | Jenson Pickett | 16 | Co Birm'ham | 4:54.28 |
| 2 | 59 | Cameron McQuade | 18 | Cosacss | 4:44.50 |
| 3 | 63 | Kaiden Hitchins | 15 | Co Birm'ham | 4:43.70 |
| 4 | 67 | Archie Dandy | 17 | EllesmereCSA | 4:34.30 |
| 5 | 65 | William Viney | 18 | Co Birm'ham | 4:39.10 |
| 6 | 61 | Alberto Rescigno | 18 | EllesmereCSA | 4:44.10 |
| 7 | 57 | Iwan Ward | 17 | Droitwich | 4:49.60 |
| 8 | 53 | Lewis Dickinson | 17 | Nuneaton | 4:54.80 |
| 9 | 49 | Joseph Waring | 16 | Leamington | 4:58.90 |