EVENT 23 Girl 10 Yrs/Under 25m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Millie Haider | 8 | Northall'ton | |
| 2 | 4 | Jessica Read | 9 | Northall'ton | |
| 3 | 3 | Mollie Hardman | 10 | Northall'ton | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Lara Jones | 9 | Northall'ton | |
| 2 | 8 | Matilda Price | 9 | Thirsk WH | |
| 3 | 7 | Martha Porter | 8 | Thirsk WH | |
| 4 | 5 | Emily Kingdon | 10 | Northall'ton | |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 10 | Amaya McQueen | 8 | Northall'ton | 35.27 |
| 2 | 12 | Abigail Ferguson | 8 | Northall'ton | 29.21 |
| 3 | 11 | Romy Gence | 8 | Stokesley | 32.83 |
| 4 | 9 | Fern Almack | 9 | Thirsk WH | |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 14 | Charis Green | 9 | Stokesley | 25.81 |
| 2 | 16 | Isla Wood-Woolley | 10 | Stokesley | 24.50 |
| 3 | 15 | Hannah Mullenheim | 10 | Northall'ton | 25.20 |
| 4 | 13 | Beatrix Allcock | 9 | Stokesley | 27.11 |