EVENT 102 Boys Open 1500m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 1 | Cohen STEPHENSON | 13 | Donc Dartes | 19:23.90 |
| 3 | 3 | Joseph WARD | 15 | Grimsby AST | 19:11.76 |
| 4 | 5 | Jonathan STONES | 16 | Durham City | 18:55.25 |
| 5 | 4 | Barnaby HOWARTH-OSBORN | 14 | Sheffield C | 19:07.90 |
| 6 | 2 | George KNOWLES | 13 | Co Leeds | 19:16.48 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 7 | Rhys RIDDIFORD | 13 | Co Leeds | 18:46.53 |
| 1 | 9 | Emilio PANIAGUA-GUTIER | 14 | Co Leeds | 18:29.13 |
| 2 | 11 | Harrison LEE | 14 | Co Wakefield | 18:12.07 |
| 3 | 13 | Harry MILNER | 14 | Co Leeds | 17:40.06 |
| 4 | 15 | Ben WRIGHT | 14 | Donc Dartes | 17:23.26 |
| 5 | 14 | Jamie BROOME | 16 | Co Leeds | 17:32.63 |
| 6 | 12 | Ben SHELTON | 14 | Co Leeds | 17:42.61 |
| 7 | 10 | Lewis BAKER | 14 | Co Sheffield | 18:20.90 |
| 8 | 8 | Benjamin ROGERS | 13 | Bo Stockton | 18:42.58 |
| 9 | 6 | Zackary MERRITT | 16 | Donc Dartes | 18:50.92 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 17 | Isaac DODDS | 14 | TigersJersey | 17:16.97 |
| 1 | 19 | David BROADBENT | 20 | Sheffield C | 17:01.84 |
| 2 | 21 | Dalton CLAPHAM | 15 | Co Leeds | 16:54.12 |
| 3 | 23 | Ethan SUTCLIFFE | 15 | Co Leeds | 16:47.33 |
| 4 | 25 | Benjamin FOSTER | 16 | Glossop | 16:40.16 |
| 5 | 24 | Oliver DUCKWORTH | 16 | Grimsby AST | 16:43.13 |
| 6 | 22 | Akal.S. REHAL | 15 | Co Leeds | 16:48.61 |
| 7 | 20 | William EARL | 16 | Co Sheffield | 17:01.43 |
| 8 | 18 | Callum RUSHAN | 16 | Leek | 17:04.50 |
| 9 | 16 | Adam AKRAM | 16 | Donc Dartes | 17:20.19 |