EVENT 306 Female 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 2 | 2 | Lily Owen | 15 | | Winsford | |
| 3 | 5 | Sophie Dowding | 18 | | Co Liverpool | |
| 4 | 7 | Holly Baker | 15 | | Bury & Elton | 30.21 |
| 5 | 6 | Sophie Grindley | 20 | | Winsford | 30.39 |
| 6 | 4 | Hermione Coakley-Hines | 15 | | Wirral Metro | 30.32 |
| 7 | 1 | Ava Garde | 15 | S7 | Satellite | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 9 | Evie Blackburn | 17 | | Knutsford | |
| 2 | 11 | Chloe Cowsill | 15 | | Ulverston | 30.38 |
| 3 | 13 | Libby Woods | 16 | | Wigan BEST | |
| 4 | 15 | Ellie Schofield | 15 | | Aquabears | |
| 5 | 14 | Anabelle Whereat | 14 | | Stockport Mo | |
| 6 | 12 | Sophia Sugden | 15 | | Co Manch Aq | |
| 7 | 10 | Jamie-Leigh Tyson | 19 | | Ulverston | 29.56 |
| 8 | 8 | Isabella Holmes | 17 | | Stretford | |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 19 | Weronika Rozwarska | 15 | | Co Manch Aq | 30.40 |
| 2 | 25 | Emily Wade | 17 | | Leyland Barr | 30.32 |
| 3 | 31 | Caitlin Maylor | 18 | | Howe Bridge | |
| 4 | 37 | Honor Luckhurst | 16 | | Preston | 30.05 |
| 5 | 34 | Jessica McNiven | 16 | | Blackpool Aq | 29.26 |
| 6 | 28 | Peiqi Wu | 16 | | Stockport Mo | 28.83 |
| 7 | 22 | Scarlett Robinson | 17 | | Ulverston | |
| 8 | 16 | Grace Ebbrell | 18 | | Bebington | |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 20 | Afia Langley | 16 | | Garston | |
| 2 | 26 | Megan Ormiston | 15 | | Stockport Mo | 30.17 |
| 3 | 32 | Ruby Sims | 16 | | Stockport Mo | 29.97 |
| 4 | 38 | Jade Phiri | 19 | | Co Manch Aq | 29.40 |
| 5 | 35 | Zoey Rogers | 15 | | Trafford Met | 30.40 |
| 6 | 29 | Henrietta Chick | 16 | | Winsford | 29.46 |
| 7 | 23 | Lauren Berry | 15 | | Wirral Metro | 29.53 |
| 8 | 17 | Olivia Edgar | 16 | | Chorley Marl | |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 21 | Elsie Kay | 13 | | Leyland Barr | |
| 2 | 27 | Anna Healey | 19 | | Wigan BEST | |
| 3 | 33 | Isabelle Carter | 15 | | Prescot | 29.49 |
| 4 | 39 | Jessica Calderbank | 28 | | Co Manch Aq | 27.32 |
| 5 | 36 | Zahra Davies | 19 | | Co Manch Aq | 28.78 |
| 6 | 30 | Maisy Smith | 20 | | Stockport Mo | 29.79 |
| 7 | 24 | Yarah Ghazal | 14 | | Lancaster | |
| 8 | 18 | Emmie Connors | 13 | | Warrington W | |