EVENT 403 Mixed 11 Yrs/Over 800m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Hattie Smith | 11 | Co Coventry | 12:39.22 |
| 4 | 2 | Amelie Tanner | 13 | Corby | 12:13.11 |
| 5 | 3 | Barnaby West | 11 | Ledbury | 12:11.78 |
| 6 | 4 | Beatrise Kulika | 13 | Co Coventry | 12:09.02 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 5 | Poppy Walker | 12 | Evesham | 11:43.13 |
| 2 | 6 | Eva Simpkins | 14 | Co Coventry | 11:42.28 |
| 3 | 7 | Edith Kaberry | 13 | Corby | 11:41.20 |
| 4 | 8 | Eleri Tombs | 14 | Evesham | 11:37.60 |
| 5 | 9 | Lexie Shewan | 14 | Grantham | 11:26.68 |
| 6 | 10 | Nika Buhharova | 14 | Corby | 11:23.59 |
| 7 | 11 | Sophie Scott | 12 | Co Coventry | 11:20.53 |
| 8 | 12 | Isabelle Tanner | 15 | Corby | 11:19.12 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 13 | Marcie Blackford | 14 | Corby | 11:17.17 |
| 2 | 14 | Calleigh Welham-Smith | 14 | West Norfolk | 11:14.31 |
| 3 | 15 | Lily Ferguson | 12 | Ledbury | 11:10.31 |
| 4 | 16 | Ellena Howitt | 13 | Grantham | 11:04.02 |
| 5 | 17 | Ruby Keetley | 12 | Evesham | 11:01.46 |
| 6 | 18 | Nellie Chadderton | 12 | West Norfolk | 10:54.72 |
| 7 | 19 | Rina Ombudo | 15 | Co Coventry | 10:47.32 |
| 8 | 20 | Enzo Piatkowski | 12 | Co Coventry | 10:41.80 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 22 | Freya Smith | 15 | Co Coventry | 10:39.19 |
| 2 | 24 | Alice Buckingham | 11 | Team Luton | 10:38.00 |
| 3 | 26 | Milly Johnson | 14 | West Norfolk | 10:17.12 |
| 4 | 28 | Lauren Morley | 15 | Kettering | 10:08.80 |
| 5 | 27 | Eva Gallagher | 15 | Corby | 10:13.30 |
| 6 | 25 | Bridie Regan-Morris | 17 | Co Coventry | 10:21.79 |
| 7 | 23 | Katy Smith | 14 | Evesham | 10:38.97 |
| 8 | 21 | Ava Sinclair | 13 | Corby | 10:40.88 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 30 | Ethan Wallis | 13 | Norwich Swan | 10:00.50 |
| 2 | 32 | Esmie Kidman | 18 | West Norfolk | 9:52.59 |
| 3 | 34 | Ella Mae Prior | 16 | Corby | 9:30.80 |
| 4 | 36 | Eve Smith | 15 | Co Coventry | 9:27.26 |
| 5 | 35 | Laurenzio Ciolan | 14 | Corby | 9:30.60 |
| 6 | 33 | Amelia Saunders | 16 | Norwich Swan | 9:36.50 |
| 7 | 31 | Ewan Troup | 14 | Leamington | 9:53.49 |
| 8 | 29 | Alexander Pattison | 14 | West Norfolk | 10:04.21 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 38 | Macy Barker | 17 | Co Liverpool | 9:22.80 |
| 2 | 40 | Max Mahony | 15 | Co Coventry | 9:20.10 |
| 3 | 42 | Jamie Wilson | 15 | West Norfolk | 9:02.03 |
| 4 | 44 | James Raw | 17 | EllesmereCSA | 8:11.30 |
| 5 | 43 | Finley Dare | 15 | Corby | 8:55.78 |
| 6 | 41 | Joseph Waring | 14 | Leamington | 9:07.63 |
| 7 | 39 | Erika Sheppard | 15 | Leamington | 9:20.36 |
| 8 | 37 | Grace Turner | 17 | Grantham | 9:24.40 |