EVENT 101 Girls 10 Yrs/Over 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 2 | Amelia Thorpe | 11 | Tynemouth | 7:26.73 |
| 3 | 4 | Ava Parry | 11 | Harrogate | 7:00.02 |
| 4 | 6 | Jessica Ayre | 11 | Middlesboro | 7:00.00 |
| 5 | 5 | Daisy Ingle | 10 | Harrogate | 7:00.00 |
| 6 | 3 | Poppy Ayre | 11 | Middlesboro | 7:07.00 |
| 7 | 1 | Chloe Taylor | 10 | Middlesboro | 8:20.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 8 | Matilda Clarke | 11 | Middlesboro | 6:57.38 |
| 2 | 10 | Charlotte Wilson | 11 | Wear Valley | 6:52.86 |
| 3 | 12 | Emily Smith | 13 | Harrogate | 6:13.25 |
| 4 | 14 | Caitlyn McLean | 11 | Wear Valley | 6:05.06 |
| 5 | 13 | Kitty Graham | 13 | Wear Valley | 6:12.75 |
| 6 | 11 | Olivia Green | 14 | Middlesboro | 6:18.16 |
| 7 | 9 | Robyn Pollock | 10 | Middlesboro | 6:57.31 |
| 8 | 7 | Hannah Mather | 12 | Tynemouth | 6:58.83 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 16 | Elyza Hylands | 14 | Harrogate | 6:01.90 |
| 2 | 18 | Sophia Brown | 11 | Bo Stockton | 5:59.00 |
| 3 | 20 | Eve Smith | 17 | Middlesboro | 5:50.31 |
| 4 | 22 | Megan Hull | 15 | Middlesboro | 5:40.00 |
| 5 | 21 | Amaja Waters | 12 | Harrogate | 5:48.40 |
| 6 | 19 | Daisy Dunning | 13 | Middlesboro | 5:56.25 |
| 7 | 17 | Charlotte Soulsby | 13 | Newcastle | 5:59.83 |
| 8 | 15 | Lola Copeland | 14 | Wear Valley | 6:03.49 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 24 | Grace Brown | 15 | Newcastle | 5:40.00 |
| 2 | 26 | Ella Proud | 16 | Middlesboro | 5:37.43 |
| 3 | 28 | Lydia Shipley | 12 | Middlesboro | 5:25.05 |
| 4 | 30 | Charlotte Bashford | 15 | Middlesboro | 5:19.60 |
| 5 | 29 | Katie Pink | 16 | Middlesboro | 5:24.20 |
| 6 | 27 | Macy Walton | 16 | Bo Stockton | 5:29.00 |
| 7 | 25 | Scarlett Dean | 12 | Harrogate | 5:38.23 |
| 8 | 23 | Myla Pike | 17 | Newcastle | 5:40.00 |