EVENT 306 Female 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 1 | Ava Garde | 14 | S6 | Satellite | |
| 2 | 3 | Ruby Sims | 15 | | Stockport Mo | |
| 3 | 5 | Jessica McNiven | 15 | | Blackpool Aq | |
| 4 | 8 | Viyana Seifi | 13 | | Co Salford | |
| 5 | 6 | Henrietta Chick | 15 | | Crewe Flyers | |
| 6 | 4 | Olivia Edgar | 15 | | Chorley Marl | 30.00 |
| 7 | 2 | Zara Comb | 16 | | Satellite | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 12 | Peiqi Wu | 15 | | Stockport Mo | 29.42 |
| 2 | 19 | Caitlin Maylor | 17 | | Howe Bridge | |
| 3 | 26 | Mia Burslem | 18 | | Co Liverpool | |
| 4 | 32 | Jade Phiri | 18 | | Co Manch Aq | 28.52 |
| 5 | 29 | Aleksandra Moskwa | 16 | | Stockport Mo | 29.23 |
| 6 | 23 | Lucia Lesti | 15 | | Co Salford | 29.52 |
| 7 | 15 | Grace Jackson | 16 | | Co Salford | 29.45 |
| 8 | 9 | Lucy Vaughan | 16 | | Ather & Leig | |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 13 | Emily Wade | 16 | | Leyland Barr | 29.76 |
| 2 | 20 | Hannah O'Mahony | 18 | | Co Manch Aq | 29.57 |
| 3 | 27 | Honor Luckhurst | 15 | | Preston | 28.91 |
| 4 | 33 | Eliza Pinkstone | 19 | | Stockport Mo | 28.85 |
| 5 | 30 | Naomi Parker | 18 | | Co Manch Aq | 28.97 |
| 6 | 24 | Zahra Davies | 18 | | Co Manch Aq | 29.39 |
| 7 | 16 | Ella Faulkner | 15 | | Stockport Mo | 29.53 |
| 8 | 10 | Gabriella Hunt | 16 | | Co Liverpool | |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 14 | Eve Horton | 18 | | Wigan BEST | |
| 2 | 22 | Eloise Rathbone-Jones | 20 | | Co Manch Aq | 29.37 |
| 3 | 28 | Lisa Barzaghi | 17 | | Bolton Metro | 29.44 |
| 4 | 34 | Jessica Calderbank | 27 | | Co Manch Aq | 28.26 |
| 5 | 31 | Ella Williams | 20 | | Preston | 29.01 |
| 6 | 25 | Sophie Traill | 17 | | Stockport Mo | 29.04 |
| 7 | 18 | Lily O'Neill | 16 | | Stockport Mo | 29.19 |
| 8 | 11 | Isabelle Carter | 14 | | Prescot | |