EVENT 309 Men Open 1500m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Toby Latimer | 16 | Winsford | 19:12.96 |
| 2 | 3 | Luke Horton | 15 | Carnforth | 19:07.10 |
| 3 | 5 | Felix Benson | 15 | Stockport Mo | 18:58.15 |
| 4 | 9 | Henry Taylor | 14 | Stockport Mo | 18:38.49 |
| 5 | 6 | Jack Harmer | 14 | Satellite | 18:50.25 |
| 6 | 4 | Adam Stansfield | 17 | Kendal | 19:00.43 |
| 7 | 2 | Thomas Hilton | 15 | Warrington W | 19:08.27 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 11 | Alex Rix | 15 | Warrington W | 18:26.89 |
| 2 | 13 | Reuben Aspinall | 14 | Crewe Flyers | 18:21.56 |
| 3 | 15 | Euan Flannery | 13 | Warrington W | 18:09.90 |
| 4 | 17 | John Kinuthia | 15 | Oldham Aqua | 18:06.53 |
| 5 | 16 | Alexander Hornby | 15 | Wigan BEST | 18:07.99 |
| 6 | 14 | Oliver Ecob | 15 | Stockport Mo | 18:17.85 |
| 7 | 12 | Jamie Lawler | 16 | Warrington W | 18:22.99 |
| 8 | 10 | Daniel Hilton | 16 | Warrington W | 18:27.38 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 20 | Max Henderson | 14 | Cockermouth | 17:57.21 |
| 2 | 22 | Jack White | 16 | Warrington W | 17:49.65 |
| 3 | 24 | Simon Harrison | 14 | Satellite | 17:47.38 |
| 4 | 26 | Andrew Dobbing | 17 | Bebington | 17:42.50 |
| 5 | 25 | Thomas Denham-Everett | 18 | Satellite | 17:43.07 |
| 6 | 23 | Alastair Jeffrey | 17 | Satellite | 17:49.51 |
| 7 | 21 | Matthew Sawers | 13 | Wigan BEST | 17:52.60 |
| 8 | 18 | William Line | 15 | Winsford | 18:02.75 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 28 | Sean Flanagan | 15 | Co Liverpool | 17:35.44 |
| 2 | 30 | Benjamin Ross | 14 | Co Salford | 17:33.40 |
| 3 | 32 | George Young | 17 | Winsford | 17:09.64 |
| 4 | 34 | George Daintith | 14 | Warrington W | 16:46.06 |
| 5 | 33 | Matthew Warburton | 17 | Warrington W | 16:49.33 |
| 6 | 31 | Jack Pritchard | 15 | Wigan BEST | 17:29.04 |
| 7 | 29 | Jordan Ormond | 18 | Bebington | 17:34.45 |
| 8 | 27 | Jackson Dillon | 15 | Warrington W | 17:39.42 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 36 | Lewis Turner | 16 | Winsford | 16:41.33 |
| 2 | 38 | Tom McCabe | 17 | Stockport Mo | 16:35.20 |
| 3 | 40 | Alexander Volkovoy | 17 | Co Salford | 16:09.81 |
| 4 | 42 | Reece Grady | 17 | Stockport Mo | 15:36.40 |
| 5 | 41 | Michael Adeney | 19 | Co Manch Aq | 15:41.50 |
| 6 | 39 | Luke Critchlow | 17 | Stockport Mo | 16:21.02 |
| 7 | 37 | Finlay Pope | 15 | Stockport Mo | 16:41.18 |
| 8 | 35 | Adam Wright | 16 | Winsford | 16:45.04 |