EVENT 105 Female 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Margot ATKINSON | 9 | Co Leeds | 1:20.98 |
| 2 | 3 | Talitha SUTCLIFFE | 8 | Co Leeds | 1:16.50 |
| 3 | 5 | Evelyn HASKINS | 10 | Co Leeds | 1:05.73 |
| 4 | 7 | Rosanna LUNN | 9 | Co Leeds | 1:02.08 |
| 5 | 6 | Iona KHAN | 8 | Co Leeds | 1:04.10 |
| 6 | 4 | Isla BLACKBURN | 10 | Co Leeds | 1:06.20 |
| 7 | 2 | Megan FEATHER | 9 | Co Leeds | 1:20.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 9 | Ruby WHITEHEAD | 9 | Co Leeds | 59.99 |
| 1 | 11 | Elissia JAMIESON | 10 | Co Leeds | 58.82 |
| 2 | 13 | Ivy TOFT | 10 | Co Leeds | 56.20 |
| 3 | 15 | Neive EASINGWOOD | 10 | Co Leeds | 54.94 |
| 4 | 17 | Emilia BEARDSMORE | 10 | Co Leeds | 53.21 |
| 5 | 16 | Phoebe WHARTON | 10 | Co Leeds | 54.40 |
| 6 | 14 | Maddison BURNS | 9 | Co Leeds | 55.19 |
| 7 | 12 | Ava MUSTHER | 9 | Co Leeds | 57.77 |
| 8 | 10 | Mollie BEATON | 11 | Co Leeds | 59.36 |
| 9 | 8 | Sinchana NAVEEN | 9 | Co Leeds | 1:02.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 19 | Chin Nam Olivia CHAN | 11 | Co Leeds | 52.80 |
| 1 | 21 | Nora CULLUM | 10 | Co Leeds | 50.86 |
| 2 | 23 | Kitty KIRKLEY | 9 | Co Leeds | 48.01 |
| 3 | 25 | Phoebe JACKSON | 10 | Co Leeds | 46.86 |
| 4 | 27 | Sorcha LEATHER | 12 | Co Leeds | 38.60 |
| 5 | 26 | Alanna JAMIESON | 12 | Co Leeds | 40.27 |
| 6 | 24 | Edie BARKER | 10 | Co Leeds | 47.60 |
| 7 | 22 | Tilly OSBORN | 10 | Co Leeds | 49.78 |
| 8 | 20 | Florence OLDHAM | 10 | Co Leeds | 51.27 |
| 9 | 18 | Suraya KAYA | 10 | Co Leeds | 52.80 |