EVENT 308 Boys Open 1500m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 2 | Solomon HODGSON | 10 | Co Leeds | 25:06.44 |
| 1 | 4 | Dominic MATHIAS | 11 | Co Leeds | 24:47.00 |
| 2 | 6 | Simon ROBSON | 12 | York City | 23:13.01 |
| 3 | 8 | Ben SHELTON | 12 | Co Leeds | 21:35.78 |
| 4 | 10 | Safwan SHAIKH | 13 | Co Leeds | 21:00.00 |
| 5 | 9 | Adam MILNER | 15 | Stocksbridge | 21:00.00 |
| 6 | 7 | Harry MILNER | 12 | Co Leeds | 22:48.18 |
| 7 | 5 | James ROBINSON | 11 | Co Leeds | 23:34.57 |
| 8 | 3 | Rhys RIDDIFORD | 11 | Co Leeds | 24:56.78 |
| 9 | 1 | Isaac FAWCETT | 11 | Co Leeds | 26:00.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 12 | Jamie BROOME | 14 | Co Leeds | 20:30.98 |
| 1 | 14 | Jake LAMBERT | 15 | Co Leeds | 19:59.20 |
| 2 | 16 | Akal REHAL | 13 | Co Leeds | 19:04.00 |
| 3 | 18 | Thomas MCCARTHY | 13 | Co Salford | 18:58.01 |
| 4 | 20 | Harvey MCGREAVY-GILL | 16 | Co Leeds | 18:12.06 |
| 5 | 19 | Jake SYKES | 17 | Co Leeds | 18:42.73 |
| 6 | 17 | Max ADAMS | 12 | Co Salford | 19:00.00 |
| 7 | 15 | Matthew YEOMANS | 14 | Co Leeds | 19:38.28 |
| 8 | 13 | Joshua RIDING | 12 | Co Leeds | 20:05.00 |
| 9 | 11 | Finnian HUTCHINSON | 14 | Scarborough | 20:38.85 |