EVENT 108 Girls Open 800m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 2 | Alice BROADLEY | 13 | Co Wakefield | 13:30.00 |
| 1 | 4 | Hannah SMITH | 11 | Co Leeds | 12:14.40 |
| 2 | 6 | Olivia BEARD | 11 | Bramcote | 12:03.54 |
| 3 | 8 | Scarlett STRATHIE | 14 | Co Wakefield | 12:00.00 |
| 4 | 10 | Millie THRELFALL | 10 | Co Leeds | 12:00.00 |
| 5 | 9 | Chloe MALONEY | 10 | Co Leeds | 12:00.00 |
| 6 | 7 | Matilda ASHCROFT | 11 | Co Leeds | 12:00.00 |
| 7 | 5 | Millie WILLIAMS | 11 | Co Leeds | 12:12.39 |
| 8 | 3 | Caitlyn SMITH | 10 | Co Leeds | 12:46.00 |
| 9 | 1 | Darcey CROSSLEY | 11 | Co Leeds | 13:52.21 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 12 | Ava RANSOME | 11 | Co Leeds | 11:44.78 |
| 1 | 14 | Samantha KNOWLES | 11 | Co Leeds | 11:20.00 |
| 2 | 16 | Valeria PINERA-LEVITA | 10 | Co Leeds | 11:07.06 |
| 3 | 18 | Alex NEWTON | 11 | Co Leeds | 11:00.10 |
| 4 | 20 | Elizabeth DIXON | 10 | Co Leeds | 10:50.00 |
| 5 | 19 | Charlotte MORETON | 11 | Co Leeds | 11:00.00 |
| 6 | 17 | Emily PARKINS | 12 | Grantham | 11:05.01 |
| 7 | 15 | Hazel BLAIN | 10 | Co Leeds | 11:20.00 |
| 8 | 13 | Ella PROCTOR | 13 | Co Leeds | 11:22.43 |
| 9 | 11 | Lexi ENGLAND | 11 | Co Leeds | 11:50.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 22 | Maeve CARROLL | 12 | Co Leeds | 10:41.70 |
| 1 | 24 | Amelia THEOBALD | 14 | Stocksbridge | 10:40.50 |
| 2 | 26 | Kasja RICKELTON | 13 | Co Leeds | 10:36.50 |
| 3 | 28 | Mischa COMRIE | 12 | Co Leeds | 10:30.88 |
| 4 | 30 | Keira HINCHLIFFE | 12 | Co Bradford | 10:20.00 |
| 5 | 29 | Sedona REED | 12 | Co Leeds | 10:30.00 |
| 6 | 27 | Evangeline STACEY | 12 | Co Leeds | 10:35.70 |
| 7 | 25 | Hollie WILSON | 11 | Co Leeds | 10:40.00 |
| 8 | 23 | Lily STRATTON | 13 | Grimsby AST | 10:41.03 |
| 9 | 21 | Lauren LILLEY | 11 | Co Leeds | 10:43.70 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 32 | Amy PICKARD | 14 | Co Leeds | 10:16.72 |
| 1 | 34 | Megan BURNELL | 14 | Co Leeds | 10:06.40 |
| 2 | 36 | Lucy ALLMAN | 13 | Co Leeds | 9:58.09 |
| 3 | 38 | Ella BEARD | 16 | Bramcote | 9:51.90 |
| 4 | 40 | Megan SHARP | 13 | Co Leeds | 9:21.66 |
| 5 | 39 | Jess WIDDOWSON | 13 | Co Leeds | 9:45.64 |
| 6 | 37 | Lauren SMITH | 13 | Co Leeds | 9:57.81 |
| 7 | 35 | Abigail HEALD | 14 | Co Leeds | 10:02.50 |
| 8 | 33 | Faith BLAIN | 15 | Co Leeds | 10:10.90 |
| 9 | 31 | Constance PHILLIPS | 13 | Grantham | 10:18.70 |