EVENT 401 Mens Open 400m Freestyle - Heats
Not Competing : 6,13,15,27,40,47,56
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 3 | 1 | Benjamin Foulston | 13 | S10 | Nova Cent'n | 5:12.89 |
| 4 | 2 | Liam Snook | 15 | | Northampton | 4:24.13 |
| 5 | 3 | Joseph Iacovides | 14 | | Daventry | 4:23.90 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 4 | Ewan Ronald | 15 | | Leic Peng | 4:23.70 |
| 2 | 5 | Thomas Smith | 15 | | Northampton | 4:23.65 |
| 3 | 7 | Luke Elliott | 14 | | South Lincs | 4:22.97 |
| 4 | 8 | Oliver Hynd | 19 | S8 | Nova Cent'n | 4:22.40 |
| 5 | 9 | Jacob Henson | 14 | | Braunstone | 4:21.62 |
| 6 | 10 | Jacob Blakemore | 14 | | Wrekin Coll | 4:21.58 |
| 7 | 11 | Rhys Llewellyn | 13 | | Co Derby | 4:21.56 |
| 8 | 12 | Gabriel Butler | 14 | | Chase | 4:21.41 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 14 | Jack Melia | 14 | | Co Leicester | 4:20.59 |
| 2 | 16 | Thomas Hitchin | 17 | | Co Hereford | 4:19.70 |
| 3 | 17 | Tom Ryan | 13 | | Co Leicester | 4:19.47 |
| 4 | 18 | Thomas Westnidge | 18 | | Chesterfield | 4:19.41 |
| 5 | 19 | Matthew Paul | 17 | | Northampton | 4:18.30 |
| 6 | 20 | Matthew Spencer | 15 | | Northampton | 4:17.60 |
| 7 | 21 | Robert Ross | 17 | | Northgate | 4:17.49 |
| 8 | 22 | Ross Hill | 16 | | Chase | 4:16.89 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 23 | Daniel Johnson | 14 | | Derventio | 4:16.34 |
| 2 | 24 | Benjamin Longmore-Well | 18 | | Wolv'hampton | 4:16.21 |
| 3 | 25 | Casey Barrett | 14 | | Royal Wolv | 4:15.52 |
| 4 | 26 | Aleksander Forysiak | 16 | | Team Mercia | 4:15.43 |
| 5 | 28 | Thomas Spink | 17 | | Co Derby | 4:14.00 |
| 6 | 29 | Elliot Clogg | 13 | | Nova Cent'n | 4:13.99 |
| 7 | 30 | Tom Mitchell | 15 | | South Lincs | 4:13.31 |
| 8 | 31 | Edward Martin | 15 | | Derventio | 4:12.62 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 32 | Braiden Hartles | 16 | | Co Birm'ham | 4:12.31 |
| 2 | 33 | William Gayne | 14 | | Nova Cent'n | 4:12.04 |
| 3 | 34 | Matthew Evans | 16 | | Chase | 4:11.30 |
| 4 | 35 | Jamie Ingram | 15 | | Derventio | 4:10.84 |
| 5 | 36 | Benjamin Colclough | 16 | | Chase | 4:10.77 |
| 6 | 37 | William Foster | 13 | | Co Derby | 4:10.60 |
| 7 | 38 | Charlie Humphries | 14 | | Nova Cent'n | 4:10.50 |
| 8 | 39 | Joel Allen | 16 | | Co Leicester | 4:10.00 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 41 | Ryan Reader | 15 | | Co Derby | 4:09.07 |
| 2 | 42 | Patrick Meggitt | 25 | | Co Hereford | 4:09.02 |
| 3 | 43 | Joseph Kinsell | 16 | | Chase | 4:08.61 |
| 4 | 44 | Samuel Pearson | 17 | | Nova Cent'n | 4:07.93 |
| 5 | 45 | Steven Wilson | 16 | | Boldmere | 4:07.60 |
| 6 | 46 | Thomas Atkinson | 15 | | Nova Cent'n | 4:07.17 |
| 7 | 48 | Benjamin Goodall | 17 | | Derventio | 4:06.40 |
| 8 | 49 | Joshua Stephenson-Gann | 17 | | Nova Cent'n | 4:03.59 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 50 | Tom Derbyshire | 15 | | Royal Wolv | 4:02.90 |
| 2 | 51 | Tobias Robinson | 17 | | Royal Wolv | 4:01.41 |
| 3 | 52 | Samuel Richards | 16 | | Co Coventry | 4:01.40 |
| 4 | 53 | Joseph Stanger | 20 | | Boldmere | 4:00.25 |
| 5 | 54 | Alexander Hunter | 17 | | Nova Cent'n | 4:00.10 |
| 6 | 55 | Joseph Sadio | 18 | | Co Coventry | 3:59.20 |
| 7 | 57 | Roberto Pavoni | 22 | | Loughboro Un | 3:44.95 |
| 8 | 58 | Daniel Fogg | 26 | | Loughboro Un | 3:41.40 |