EVENT 352 Mens 1500m Freestyle - Heats
Not Competing : 6,8,11,18,32,34,37,40
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Jake MOWBRAY | 15 | Yeovil | 19:42.40 |
| 2 | 2 | Codie FOSTER | 15 | Soundwell | 19:03.00 |
| 3 | 3 | Maxim HAMLEY | 15 | St Austell A | 19:02.50 |
| 4 | 4 | Ben RAWLINS | 16 | Southwold | 18:59.50 |
| 5 | 5 | George WILLIAMS | 15 | Soundwell | 18:50.07 |
| 6 | 7 | Benjamin NORTON | 15 | Truro City | 18:42.20 |
| 7 | 9 | Eddie GLOVER | 16 | St Austell A | 18:33.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 10 | Samuel LAWTON | 15 | Keynsham | 18:29.14 |
| 1 | 12 | Reef SLACK | 15 | St Ives Bay | 18:27.30 |
| 2 | 13 | James GREENWOOD | 16 | N Cornwall | 18:26.30 |
| 3 | 14 | Jack SIDGWICK | 16 | Exeter City | 18:26.29 |
| 4 | 15 | Benjamin HALL | 15 | Gloucester | 18:26.00 |
| 5 | 16 | Charlie KENDALL | 16 | Exeter City | 18:24.08 |
| 6 | 17 | Joseph DAY | 15 | Exeter City | 18:21.75 |
| 7 | 19 | Henry TASWELL | 15 | Chard | 18:15.26 |
| 8 | 20 | Travis BRAMLEY | 17 | Dinnaton | 18:12.20 |
| 9 | 21 | Robert WHITTAKER | 15 | Barnstaple | 18:03.73 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 22 | Ethan RAYMENT | 15 | Plymouth Lea | 18:03.01 |
| 1 | 23 | Donald BISSET | 15 | Gloucester | 18:00.50 |
| 2 | 24 | Euan DUNGAVEL | 16 | Truro City | 17:58.70 |
| 3 | 25 | Chandler SAER | 16 | Aquae Sulis | 17:58.06 |
| 4 | 26 | Steven LEWIS | 16 | Carn Brea | 17:56.80 |
| 5 | 27 | Theo CANNON | 17 | Cheltenham | 17:52.87 |
| 6 | 28 | Jack WHITE | 16 | Co Bristol | 17:49.31 |
| 7 | 29 | George FARR | 15 | Co Bristol | 17:47.30 |
| 8 | 30 | James ANDERSON | 19 | Tavistock | 17:40.00 |
| 9 | 31 | Adam HALL | 15 | Gloucester | 17:39.44 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 35 | Jay SNOWDEN | 16 | Plymouth Lea | 17:16.95 |
| 1 | 38 | Nicholas LAWS | 16 | Millfield | 16:54.60 |
| 2 | 41 | Adam DAVIES | 15 | Plymouth Lea | 16:29.94 |
| 3 | 43 | James WATSON | 16 | Swindon Dolp | 16:24.20 |
| 4 | 45 | Max MCCUSKER | 17 | Millfield | 16:08.80 |
| 5 | 44 | Jakob GOODMAN | 16 | Millfield | 16:22.00 |
| 6 | 42 | Oliver JARVIS | 19 | N Cornwall | 16:24.80 |
| 7 | 39 | William DAVIES | 16 | Swindon Dolp | 16:54.53 |
| 8 | 36 | Matthew COLLINS | 16 | Poole | 17:09.70 |
| 9 | 33 | Angus JARVIS | 17 | N Cornwall | 17:32.73 |