EVENT 511 Mens Open 1500m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Ross Philp | 13 | Staines | 18:26.85 |
| 1 | 3 | Henry Oliver | 13 | Winsford | 18:24.16 |
| 2 | 5 | Daniel Hulme | 13 | Winsford | 18:20.65 |
| 3 | 7 | Matthew Fallon | 13 | Nova Cent'n | 18:18.50 |
| 4 | 9 | Nathaniel Rodrigues | 13 | Sevenoaks | 18:07.32 |
| 5 | 8 | Ryan Wilcox | 13 | Nova Cent'n | 18:18.33 |
| 6 | 6 | Benjamin Holland | 12 | Ellesmere Co | 18:20.64 |
| 7 | 4 | Daniel Butler | 13 | Chester Le S | 18:22.07 |
| 8 | 2 | Tom Adams | 13 | Deepings | 18:25.36 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 11 | Ben Smith | 14 | Co Liverpool | 17:57.70 |
| 1 | 13 | Thomas Watkin | 13 | Royal Wolv | 17:52.72 |
| 2 | 15 | Thomas Jackson | 14 | Co Leeds | 17:49.08 |
| 3 | 17 | Billy Pettit | 14 | Northampton | 17:41.94 |
| 4 | 19 | Brett Davies | 14 | Northampton | 17:36.46 |
| 5 | 18 | Timothy Leberl | 13 | Beckenham | 17:38.28 |
| 6 | 16 | Thomas Wilton | 14 | Co Cant'bury | 17:47.11 |
| 7 | 14 | Lee Shepherd | 14 | Dover Life | 17:52.66 |
| 8 | 12 | Daniel Johnson | 13 | Royal Wolv | 17:53.08 |
| 9 | 10 | Joshua Fox | 14 | Swindon Dolp | 17:58.51 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 21 | Joel Lange | 14 | Maidenhead | 17:35.99 |
| 1 | 23 | William Martin | 15 | Maxwell | 17:19.80 |
| 2 | 25 | Dominic Johnson | 15 | Portsmouth N | 17:18.91 |
| 3 | 27 | Tom Ryan | 15 | Co Leicester | 17:18.63 |
| 4 | 29 | William Davies | 15 | Swindon Dolp | 17:15.84 |
| 5 | 28 | Matthew Collins | 15 | S Bournem'th | 17:16.49 |
| 6 | 26 | Jay Snowden | 15 | Plymouth Lea | 17:18.66 |
| 7 | 24 | Ryan Andrews | 15 | Co Birm'ham | 17:19.59 |
| 8 | 22 | Louis Illingworth | 14 | Guildford Ct | 17:34.37 |
| 9 | 20 | James Cooper | 13 | Romford Town | 17:35.99 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 31 | Joseph Dobb | 15 | Bromley | 17:14.56 |
| 1 | 33 | James Watson | 15 | Swindon Dolp | 17:14.01 |
| 2 | 35 | Alexander Axford | 15 | Co Manch Aq | 17:13.60 |
| 3 | 37 | Lukas Antanavicius | 17 | Beckenham | 17:12.65 |
| 4 | 39 | George Smith | 16 | Guildford Ct | 17:11.69 |
| 5 | 38 | David Broadbent | 17 | Team Mercia | 17:12.47 |
| 6 | 36 | Bayley Finbow | 15 | teamipswich | 17:13.01 |
| 7 | 34 | Marcus Johnson | 16 | Co Milton K | 17:13.64 |
| 8 | 32 | Matthew Cross | 15 | Derventio | 17:14.10 |
| 9 | 30 | Joshua Lewis | 15 | Thanet Swim | 17:15.52 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 41 | Solomon Mhar | 16 | SwimTrafford | 17:11.26 |
| 1 | 43 | Nathan Bentley | 17 | Hatfield | 17:07.39 |
| 2 | 45 | Michael Foster | 16 | Saxon Crown | 17:06.33 |
| 3 | 47 | Conor Bennett | 17 | SwimTrafford | 17:00.67 |
| 4 | 49 | Patrick Meggitt | 27 | Co Hereford | 16:56.00 |
| 5 | 48 | George Russell | 18 | Rotherham Mo | 16:58.21 |
| 6 | 46 | Kieran Fryer | 18 | RichmondDale | 17:01.55 |
| 7 | 44 | Oscar Macartney | 16 | Thanet Swim | 17:06.53 |
| 8 | 42 | Thomas Roberts | 17 | Halton | 17:09.66 |
| 9 | 40 | Ewan Springett | 15 | Co Oxford | 17:11.60 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 51 | Thomas Smith | 17 | Northampton | 16:55.03 |
| 1 | 53 | Simon McCormick | 20 | Derwentside | 16:52.39 |
| 2 | 55 | Albert Karavis | 18 | Windsor | 16:51.02 |
| 3 | 57 | Jamie Garbutt | 18 | Middlesboro | 16:45.17 |
| 4 | 59 | Matt Edwards | 21 | Tavistock | 16:34.70 |
| 5 | 58 | Oliver Jarvis | 18 | N Cornwall | 16:44.90 |
| 6 | 56 | Harry Hathaway | 18 | Mt Kelly | 16:47.49 |
| 7 | 54 | Timothy Robinson | 19 | Bath Univ | 16:52.26 |
| 8 | 52 | Elliot Bertram | 18 | Enfield Sq | 16:52.81 |
| 9 | 50 | Liam Snook | 17 | Northampton | 16:55.11 |