EVENT 501 Girls 11 Yrs/Over 400m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Olivia Green | 14 | Middlesboro | 6:57.00 |
| 2 | 4 | Lily Morley | 12 | Morpeth | 6:40.00 |
| 3 | 6 | Charlotte Bailey | 11 | Middlesboro | 6:28.97 |
| 4 | 5 | Emily Austin | 13 | Morpeth | 6:30.00 |
| 5 | 3 | Cecily Findlay | 12 | Morpeth | 6:45.00 |
| 6 | 1 | Isabelle Watson | 11 | Tynemouth | 7:17.44 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 8 | Gracie Graham | 13 | Morpeth | 5:47.56 |
| 2 | 10 | Johanna Morton | 13 | Middlesboro | 5:43.30 |
| 3 | 12 | Kitty Graham | 12 | Wear Valley | 5:35.00 |
| 4 | 11 | Annabel Cowens | 12 | Tynemouth | 5:36.59 |
| 5 | 9 | Maisie Bone | 14 | Morpeth | 5:47.42 |
| 6 | 7 | Mary-Anne Owen | 11 | Alnwick Dol | 6:01.60 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 14 | Natasha Rice | 15 | Middlesboro | 5:34.41 |
| 2 | 16 | Ava Joyce | 12 | South Tyne | 5:27.98 |
| 3 | 18 | Olivia Northey | 13 | Tynemouth | 5:23.59 |
| 4 | 17 | Charlotte Henderson | 12 | Morpeth | 5:24.37 |
| 5 | 15 | Lola Copeland | 13 | Wear Valley | 5:32.14 |
| 6 | 13 | Gabrielle Penfold | 13 | Morpeth | 5:34.73 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 20 | Daisy Dunning | 12 | Middlesboro | 5:19.44 |
| 2 | 22 | Chloe Cadge | 14 | Tynedale | 5:14.41 |
| 3 | 24 | Halle Seymour | 16 | Tynedale | 4:48.81 |
| 4 | 23 | Maeve Taggart | 13 | South Tyne | 5:11.74 |
| 5 | 21 | Sophie Robson | 12 | Tynemouth | 5:15.28 |
| 6 | 19 | Roberta Antonescu | 15 | Wear Valley | 5:20.63 |