EVENT 603 Men Open 800m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | William Kershaw | 12 | Blackpool Aq | 10:56.03 |
| 2 | 3 | Callum Byrne | 12 | Southport | 10:44.94 |
| 3 | 5 | Matthew Sawers | 13 | Wigan BEST | 10:03.82 |
| 4 | 4 | William Grundy | 13 | Bolton Metro | 10:18.30 |
| 5 | 2 | Samuel Williams | 12 | Bolton Metro | 10:47.31 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 7 | Jack Pritchard | 15 | Wigan BEST | 9:48.46 |
| 2 | 9 | Andrew Clavis | 15 | Prescot | 9:39.53 |
| 3 | 12 | Samuel Grimes | 16 | Wigan BEST | 9:14.30 |
| 4 | 11 | Joshua Keogh | 14 | Bolton Metro | 9:22.10 |
| 5 | 8 | Benjamin Ross | 14 | Co Salford | 9:42.31 |
| 6 | 6 | Cody Bridge | 14 | Blackpool Aq | 9:52.69 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 14 | Finlay Pope | 15 | Ramsbottom | 8:57.25 |
| 2 | 18 | Joseph Stout | 17 | Co Salford | 8:28.04 |
| 3 | 20 | Alexander Volkovoy | 17 | Co Salford | 8:23.63 |
| 4 | 19 | Tyler Melbourne-Smith | 17 | Co Liverpool | 8:25.70 |
| 5 | 17 | Patrick Braddock | 18 | Oldham Aqua | 8:40.70 |
| 6 | 13 | Nathan Lockett | 17 | Co Salford | 8:57.65 |