EVENT 201 Female 10 Yrs/Over 400m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Josie Johnson | 15 | RichmondDale | 7:30.41 |
| 2 | 3 | Madison BRADLEY | 12 | Derwent&Gate | 7:15.00 |
| 3 | 5 | Sophia Herbert | 11 | Billingham | 6:52.67 |
| 4 | 7 | Evangeline Riley | 13 | RichmondDale | 6:50.00 |
| 5 | 6 | Lucy Davies | 11 | RichmondDale | 6:50.00 |
| 6 | 4 | Natalia Bower | 11 | Saltburn Mar | 7:03.81 |
| 7 | 2 | Indi Chesworth | 10 | Billingham | 7:15.13 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 9 | Maria Byrne-Harris | 11 | RichmondDale | 6:38.00 |
| 2 | 11 | Sophie Carberry | 11 | Middlesboro | 6:35.00 |
| 3 | 13 | Hattie Windell | 12 | Eston | 6:16.63 |
| 4 | 15 | Paige Anderson | 11 | Billingham | 5:52.47 |
| 5 | 14 | Matilda Clarke | 11 | Middlesboro | 5:58.12 |
| 6 | 12 | Amelie Bower | 13 | Saltburn Mar | 6:18.28 |
| 7 | 10 | Niamh GRADY | 11 | Derwent&Gate | 6:36.61 |
| 8 | 8 | Mia DE SOUSA | 12 | Derwent&Gate | 6:45.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 17 | Pippa Nicholson | 12 | Saltburn Mar | 5:48.23 |
| 2 | 19 | Grace Cholmondeley | 14 | Eston | 5:46.50 |
| 3 | 21 | Darcie Crosby | 12 | Guisborough | 5:40.13 |
| 4 | 23 | Tegan Oliver | 15 | Guisborough | 5:33.57 |
| 5 | 22 | Patsy Pallister | 13 | RichmondDale | 5:40.00 |
| 6 | 20 | Jessica Ayre | 12 | Middlesboro | 5:40.36 |
| 7 | 18 | Ananya Prasad | 12 | Middlesboro | 5:47.30 |
| 8 | 16 | Grace Parvin | 15 | Guisborough | 5:50.13 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 25 | Mia Webb | 13 | RichmondDale | 5:28.40 |
| 2 | 27 | Layla Bint | 11 | Guisborough | 5:26.02 |
| 3 | 29 | Gracie Dixon | 17 | Guisborough | 5:14.10 |
| 4 | 31 | Aditi Prasad | 15 | Middlesboro | 5:10.00 |
| 5 | 30 | Johanna Morton | 14 | Middlesboro | 5:11.62 |
| 6 | 28 | Erin Stephenson-Mangan | 18 | Eston | 5:24.43 |
| 7 | 26 | Poppy Ayre | 12 | Middlesboro | 5:28.24 |
| 8 | 24 | Isabelle Brydon | 13 | Eston | 5:32.22 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 33 | Gracie-Mae Blake | 13 | Middlesboro | 5:04.07 |
| 2 | 35 | Daisy Dunning | 13 | Middlesboro | 5:01.88 |
| 3 | 37 | Annabelle Harrison | 14 | Bo Barnsley | 4:51.40 |
| 4 | 39 | Lydia Shipley | 13 | Middlesboro | 4:37.20 |
| 5 | 38 | Katie Pink | 17 | Middlesboro | 4:40.82 |
| 6 | 36 | Macey Dixon | 13 | Loftus Dol | 4:59.07 |
| 7 | 34 | Olivia Green | 15 | Middlesboro | 5:03.26 |
| 8 | 32 | Rosie Bayliss | 13 | Guisborough | 5:09.38 |