EVENT 105 Female 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Rose Bayle | 10 | Wrekin SC | 2:15.50 |
| 2 | 4 | Phoebe Ellis | 10 | Wrekin SC | 2:03.50 |
| 3 | 6 | Eliza Rozenberszki | 11 | Wrekin SC | 1:40.40 |
| 4 | 8 | Molly Franklin-Hughes | 11 | Newport | 1:32.70 |
| 5 | 7 | Jessica Brown | 12 | Wrekin SC | 1:35.80 |
| 6 | 5 | Matilda Grantham | 13 | Shrewsbury | 1:48.75 |
| 7 | 3 | Emily Barber | 12 | Wellington M | 2:06.80 |
| 8 | 1 | Chloe Thompson | 11 | Wellington M | 2:40.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 10 | Millie Bishton | 16 | Newport | 1:26.70 |
| 2 | 12 | Chloe Wells | 15 | TelfordAqua | 1:23.40 |
| 3 | 14 | Isabel Fox | 17 | Shrewsbury | 1:16.20 |
| 4 | 16 | Francesca Davies | 18 | Wrekin SC | 1:10.20 |
| 5 | 15 | Ella Gregory | 17 | Newport | 1:16.10 |
| 6 | 13 | Mia Dunn | 14 | Wrekin SC | 1:22.30 |
| 7 | 11 | Ffion Williams | 14 | TelfordAqua | 1:23.50 |
| 8 | 9 | Evie Littlefield | 12 | Shrewsbury | 1:29.50 |