EVENT 302 Mens Open 400m Freestyle - Heats
Not Competing : 11,30,41
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 3 | 1 | Benjamin Campbell | 14 | Boldmere | 4:32.20 |
| 4 | 2 | Lewis Kerrod | 13 | Co Leicester | 4:36.73 |
| 5 | 3 | Jacob Henson | 14 | Braunstone | 4:34.01 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 4 | Rhys Llewellyn | 13 | Co Derby | 4:29.28 |
| 3 | 5 | Lee Clarke | 15 | Co Peterboro | 4:27.71 |
| 4 | 6 | Keefe Downes | 15 | Northampton | 4:30.87 |
| 5 | 7 | Jack Harmer | 15 | Nova Cent'n | 4:29.91 |
| 6 | 8 | Jack Melia | 15 | Co Leicester | 4:34.13 |
| 7 | 9 | Daniel Challis | 15 | Louth | 4:40.62 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 10 | Tom Ryan | 13 | Co Leicester | 4:28.95 |
| 2 | 12 | Luke Elliott | 14 | South Lincs | 4:28.98 |
| 3 | 13 | Ethan Harrington | 15 | Chelmsford | 4:36.82 |
| 4 | 14 | James Day | 16 | Basildon Ph | 4:23.37 |
| 5 | 15 | Matthew Spencer | 15 | Northampton | 4:22.67 |
| 6 | 16 | Tom Mitchell | 16 | South Lincs | 4:25.06 |
| 7 | 17 | Isaac Peace | 15 | Co Leicester | 4:23.27 |
| 8 | 18 | Nathan Wells | 16 | West Norfolk | 4:22.48 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 19 | Braiden Hartles | 16 | Co Birm'ham | 4:20.66 |
| 2 | 20 | William Gayne | 14 | Nova Cent'n | 4:17.72 |
| 3 | 21 | Nathan Bentley | 15 | Hatfield | 4:20.29 |
| 4 | 22 | Matthew Evans | 16 | Chase | 4:26.63 |
| 5 | 23 | William Foster | 13 | Co Derby | 4:21.89 |
| 6 | 24 | Joel Allen | 16 | Co Leicester | 4:14.33 |
| 7 | 25 | Benjamin Colclough | 17 | Chase | 4:17.81 |
| 8 | 26 | Benjamin Stanford | 14 | Co Birm'ham | 4:22.48 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 27 | Timothy Shuttleworth | 16 | Hatfield | 4:14.27 |
| 2 | 28 | Charlie Humphries | 14 | Nova Cent'n | 4:14.73 |
| 3 | 29 | Nathan Hughes | 13 | Hatfield | 4:17.01 |
| 4 | 31 | Steven Wilson | 16 | Boldmere | 4:26.54 |
| 5 | 32 | Joshua Duggan | 17 | Hatfield | 4:13.83 |
| 6 | 33 | Thomas Atkinson | 15 | Nova Cent'n | 4:11.18 |
| 7 | 34 | Ryan Reader | 15 | Co Derby | 4:14.25 |
| 8 | 35 | Joshua Stephenson-Gann | 17 | Nova Cent'n | 4:10.19 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 36 | Regan Lloyd | 16 | teamipswich | 4:14.27 |
| 2 | 37 | Joseph Stanger | 20 | Boldmere | 4:11.00 |
| 3 | 38 | Alexander Hunter | 17 | Nova Cent'n | 4:19.95 |
| 4 | 39 | Matthew Ryall | 18 | Loughboro Un | DN:C . |
| 5 | 40 | Louis Seller | 17 | teamipswich | 4:16.44 |
| 6 | 42 | Danny Proffitt | 19 | West Suffolk | 4:06.28 |
| 7 | 43 | Bradley Lynch | 17 | Co Birm'ham | 4:08.51 |
| 8 | 44 | Martyn Walton | 16 | Hatfield | 4:07.69 |