EVENT 504 Female 15 Yrs/Over 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 3 | 2 | Lucy Shore | 19 | S14 | Crewe Flyers | |
| 4 | 6 | Freya Karaski | 15 | | Halton | |
| 5 | 4 | Lina Khider | 15 | | Trafford Met | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 2 | 9 | Alexis Aspin | 15 | | Preston | |
| 3 | 11 | Erin Ross | 15 | | Winsford | 1:11.07 |
| 4 | 13 | Chloe Cowsill | 16 | | Ulverston | |
| 5 | 12 | Charlotte Ainscough | 15 | | Winsford | |
| 6 | 10 | Charlotte Hughes | 15 | | Wigan BEST | |
| 7 | 8 | Isabella Grimbaldeston | 16 | | Leyland Barr | |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 16 | Holly Baker | 16 | | Bury & Elton | |
| 2 | 20 | Lilly Broadfoot | 16 | | Ulverston | 1:10.07 |
| 3 | 22 | Ava Halliwell | 15 | | Wirral Metro | 1:11.28 |
| 4 | 24 | Bethan James | 16 | | Wirral Metro | 1:10.18 |
| 5 | 23 | Ellie Jackson | 15 | | Wirral Metro | 1:10.86 |
| 6 | 21 | Phoebe Carroll | 16 | | Trafford Met | 1:09.11 |
| 7 | 18 | Lottie Abbott Beck | 15 | | Wirral Metro | 1:10.63 |
| 8 | 14 | Sofia Davies | 15 | | Co Liverpool | 1:09.78 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 26 | Martha Sumnall | 16 | | Co Liverpool | |
| 2 | 28 | Isabelle Carter | 16 | | Prescot | |
| 3 | 31 | Libby Woods | 17 | | Wigan BEST | |
| 4 | 33 | Hermione Coakley-Hines | 16 | | Wirral Metro | 1:08.69 |
| 5 | 32 | Sophie Dowding | 19 | | Co Liverpool | 1:08.36 |
| 6 | 30 | Ellie Woodcock | 15 | | Cockermouth | 1:10.49 |
| 7 | 27 | Weronika Rozwarska | 16 | | Co Manch Aq | |
| 8 | 25 | Vivien Wilkinson | 15 | | Wirral Metro | |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 38 | Allanah Donlan | 15 | | Warrington W | 1:09.24 |
| 2 | 44 | Ruby Sims | 17 | | Stockport Mo | |
| 3 | 50 | Lauren Berry | 16 | | Wirral Metro | 1:06.54 |
| 4 | 56 | Mia Burslem | 20 | | Co Liverpool | 1:06.00 |
| 5 | 53 | Iris Hurst | 16 | | Warrington W | 1:09.04 |
| 6 | 47 | Zoey Rogers | 16 | | Trafford Met | 1:05.46 |
| 7 | 41 | Yarah Ghazal | 15 | | Leyland Barr | |
| 8 | 34 | Grace Ebbrell | 19 | | Co Liverpool | |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 39 | Imogen Clarkson | 15 | | Clitheroe | 1:09.96 |
| 2 | 45 | Sophia Sugden | 16 | | Co Manch Aq | 1:06.81 |
| 3 | 51 | Letian Wu | 17 | | Trafford Met | 1:07.82 |
| 4 | 57 | Honor Luckhurst | 17 | | Preston | 1:06.79 |
| 5 | 54 | Viyana Seifi | 15 | | Co Salford | 1:07.87 |
| 6 | 48 | Camilla Holland | 15 | | Wigan BEST | 1:07.07 |
| 7 | 42 | Sophie Grindley | 21 | | Winsford | 1:07.96 |
| 8 | 35 | Emily Hall | 16 | | Warrington W | 1:08.98 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 40 | Ruby Sheehan | 19 | | Wigan BEST | |
| 2 | 46 | Dior Beavan | 17 | | Hoylake | 1:06.90 |
| 3 | 52 | Jessica McNiven | 17 | | Blackpool Aq | 1:08.69 |
| 4 | 58 | Zahra Davies | 20 | | Manc Met Uni | 1:05.13 |
| 5 | 55 | Evie Cutter | 17 | | Wigan BEST | 1:06.52 |
| 6 | 49 | Eve Horton | 20 | | Wigan BEST | 1:06.19 |
| 7 | 43 | Elizabeth Adam | 16 | | Leyland Barr | 1:10.56 |
| 8 | 37 | Jamie-Leigh Tyson | 20 | | Ulverston | |