EVENT 206 Female 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Abbie Ferguson | 9 | Thirsk WH | |
| 2 | 3 | Poppy Whiteley | 9 | Northall'ton | |
| 3 | 2 | Emma Courts | 9 | Northall'ton | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 22 | Hermione Price | 8 | Thirsk WH | 59:.9.9 |
| 2 | 5 | Francesca Smith | 9 | Northall'ton | |
| 3 | 4 | Ellie-Jayne Gamon | 9 | Northall'ton | |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 7 | Hettie Binks | 11 | Thirsk WH | 50:00.00 |
| 2 | 9 | Sofia Cryer-Anderson | 9 | Loftus Dol | 1:19.45 |
| 3 | 8 | Hepzibah Horness | 10 | Loftus Dol | 1:24.00 |
| 4 | 6 | Georgina Proctor | 10 | Thirsk WH | |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 11 | Matilda Binks | 9 | Thirsk WH | 1:08.00 |
| 2 | 13 | Francesca Barker | 11 | Thirsk WH | 1:05.00 |
| 3 | 12 | Eleanor Mann | 10 | Loftus Dol | 1:07.31 |
| 4 | 10 | Eirinn Flemming | 10 | Loftus Dol | 1:13.16 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 15 | Amaya McQueen | 12 | Northall'ton | 50.31 |
| 2 | 17 | Eleanor Halliday | 12 | Northall'ton | 47.69 |
| 3 | 16 | Betsy Horner | 11 | Thirsk WH | 49.10 |
| 4 | 14 | Darcy Mackinnon | 11 | Northall'ton | 58.19 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 19 | Isabelle Smith | 12 | Northall'ton | 41.14 |
| 2 | 21 | Beatrice Rayfield | 15 | Northall'ton | 39.31 |
| 3 | 20 | Abigail Wilkin | 15 | Northall'ton | 39.98 |
| 4 | 18 | Millie Fletcher | 14 | Thirsk WH | 46.14 |