EVENT 108 Female 15 Yrs/Over 800m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Isabelle Dusterloh | 15 | Altrincham | 10:03.90 |
| 4 | 3 | Isabelle Taylor | 16 | Wirral Metro | 9:58.70 |
| 5 | 2 | Alice Cumberlidge | 15 | Satellite | 10:03.60 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 5 | Ennea Chisnall | 15 | Wigan BEST | 9:56.51 |
| 3 | 7 | Elizabeth Lyons | 16 | Co Liverpool | 9:49.68 |
| 4 | 10 | Olivia Watts | 15 | Warrington W | 9:45.69 |
| 5 | 9 | Emily French | 16 | Wirral Metro | 9:47.70 |
| 6 | 6 | Erin McCurrie | 15 | Warrington W | 9:50.50 |
| 7 | 4 | Olivia Ryan | 15 | Co Manch Aq | 9:57.80 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 12 | Cara Tohill | 17 | Co Salford | 9:40.48 |
| 2 | 14 | Macy Barker | 17 | Co Liverpool | 9:37.20 |
| 3 | 16 | Amelia Gerrard | 15 | Co Liverpool | 9:30.90 |
| 4 | 18 | Isobel Hitchmough | 15 | Co Liverpool | 9:29.10 |
| 5 | 17 | G Rowbotham-Keating | 16 | Co Manch Aq | 9:29.22 |
| 6 | 15 | Jessica Corder | 15 | Co Salford | 9:35.40 |
| 7 | 13 | Emily Inns | 19 | Altrincham | 9:38.80 |
| 8 | 11 | Chloe Hopkinson | 19 | Co Manch Aq | 9:44.90 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 20 | Mollie Fisher | 19 | Co Manch Aq | 9:17.40 |
| 2 | 22 | Amy Kenworthy | 18 | Winsford | 9:15.75 |
| 3 | 24 | Madison Rens | 17 | Co Liverpool | 9:06.10 |
| 4 | 27 | Amelie Blocksidge | 15 | Co Salford | 8:31.20 |
| 5 | 25 | Abbie Roscoe | 15 | Wirral Metro | 8:56.23 |
| 6 | 23 | Eleanor Kay | 18 | Bolton Metro | 9:10.90 |
| 7 | 21 | Payton Chesters | 16 | Co Liverpool | 9:16.50 |
| 8 | 19 | Ella Blocksidge | 18 | Co Salford | 9:19.85 |