EVENT 201 Open/Male 09 /Over 400m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Andrew Roscan | 11 | Derby Excel | 7:15.00 |
| 3 | 3 | Nathaniel Bradley | 10 | Pershore | 6:28.62 |
| 4 | 5 | Alexander Georgiev | 11 | Co Milton K | 5:59.13 |
| 5 | 4 | Gabriel Sutton | 11 | Derby Excel | 6:07.62 |
| 6 | 2 | Nico Piatkowski | 11 | Co Coventry | 6:30.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 7 | Dylan Lewis | 13 | Co Coventry | 5:38.51 |
| 2 | 9 | Tom Morton | 12 | Kidlington | 5:30.70 |
| 3 | 11 | Oscar PAWLOWSKI | 11 | Corby | 5:25.60 |
| 4 | 13 | Thomas Hogben | 12 | Co Milton K | 5:17.43 |
| 5 | 12 | Frankie Lane | 13 | Banbury | 5:18.92 |
| 6 | 10 | Freddie Gates | 12 | Co Coventry | 5:29.91 |
| 7 | 8 | Maddox Bidgood | 13 | Derby Excel | 5:31.22 |
| 8 | 6 | Jarrad Staniforth | 12 | Co Coventry | 5:44.09 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 15 | Noah PATTERSON | 13 | Corby | 5:14.70 |
| 2 | 17 | William Smith | 12 | Derby Excel | 5:09.43 |
| 3 | 19 | Harvey Pearson | 14 | Co Coventry | 4:55.31 |
| 4 | 21 | Connor Furnish | 13 | Derby Excel | 4:48.24 |
| 5 | 20 | Matthew Vega-Flores | 14 | Nuneaton | 4:48.42 |
| 6 | 18 | Elliott Thomson | 13 | Daventry | 5:04.43 |
| 7 | 16 | Aiden Kill | 15 | Co Coventry | 5:13.67 |
| 8 | 14 | Oliver TRENWITH | 12 | Corby | 5:15.90 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 23 | Liam Matthews | 15 | Rugby | 4:43.06 |
| 2 | 25 | William Upton | 16 | Co Coventry | 4:41.45 |
| 3 | 27 | Thomas Roberts | 17 | Co Milton K | 4:34.18 |
| 4 | 29 | Finlay Bird | 15 | Derby Excel | 4:18.90 |
| 5 | 28 | Aidan Ryder | 15 | Rugby | 4:28.02 |
| 6 | 26 | Daniel MUSTATA | 14 | Corby | 4:38.11 |
| 7 | 24 | Porter Tinning | 14 | Co Coventry | 4:41.52 |
| 8 | 22 | Leo Monaghan | 14 | Bromsgrove | 4:43.25 |