EVENT 613 Female 15 Yrs/Over 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 3 | 2 | Chiara Fellone | 18 | S14 | Ramsbottom | 1:18.00 |
| 4 | 4 | Astrid Carroll | 16 | S12 | Stockport Mo | 1:15.55 |
| 5 | 3 | Siena Oxby | 18 | S14 | Stockport Mo | 1:16.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 2 | 6 | Bethan James | 15 | | Wirral Metro | 1:12.30 |
| 3 | 8 | Isabella Grimbaldeston | 15 | | Leyland Barr | 1:12.00 |
| 4 | 10 | Ava Grimshaw | 15 | | Clitheroe | 1:11.90 |
| 5 | 9 | Francesca Teasdale | 16 | | Co Salford | 1:12.00 |
| 6 | 7 | Jasmine Cadman | 16 | | Carnforth | 1:12.10 |
| 7 | 5 | Megan Hacking | 15 | | Clitheroe | 1:12.30 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 12 | Megan Templeton | 15 | | Co Liverpool | 1:11.57 |
| 2 | 16 | Daisy Barlow | 15 | | Co Salford | 1:11.10 |
| 3 | 19 | Phoebe Carroll | 15 | | Trafford Met | 1:10.90 |
| 4 | 21 | Sophia Sugden | 15 | | Co Manch Aq | 1:10.60 |
| 5 | 20 | Hannah Burns | 15 | | Altrincham | 1:10.80 |
| 6 | 18 | Olivia Wilson | 15 | | Co Salford | 1:11.00 |
| 7 | 13 | Holly Baker | 15 | | Bury & Elton | 1:11.41 |
| 8 | 11 | Isobel Wright | 16 | | Ramsbottom | 1:11.80 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 23 | Maisie Lloyd | 15 | | Wigan BEST | 1:10.50 |
| 2 | 25 | Freya Pilbury | 15 | | Alsager | 1:10.30 |
| 3 | 29 | Isabelle Carter | 15 | | Prescot | 1:09.90 |
| 4 | 31 | Megan Doherty | 18 | | Leyland Barr | 1:09.74 |
| 5 | 30 | Lucy Beesley | 17 | | Preston | 1:09.80 |
| 6 | 27 | S Hutchinson Thompson | 17 | | Bolton Metro | 1:10.00 |
| 7 | 24 | Sophie Mitchell | 16 | | Preston | 1:10.40 |
| 8 | 22 | Jessica McNiven | 16 | | Blackpool Aq | 1:10.50 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 38 | Wendy Du | 17 | | Altrincham | 1:08.30 |
| 2 | 45 | Jessica Jones | 16 | | Warrington W | 1:07.70 |
| 3 | 51 | Clara Spence | 17 | | Carnforth | 1:06.80 |
| 4 | 58 | Olivia Edgar | 16 | | Chorley Marl | 1:05.20 |
| 5 | 54 | Kate Roberts | 16 | | Co Liverpool | 1:06.30 |
| 6 | 48 | Megan Ormiston | 15 | | Stockport Mo | 1:07.00 |
| 7 | 42 | Aleksandra Moskwa | 17 | | Stockport Mo | 1:08.00 |
| 8 | 32 | Eboni Thoburn | 17 | | Southport | 1:09.30 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 40 | Molly Brennan | 18 | | Winsford | 1:08.14 |
| 2 | 46 | Petra Varga | 17 | | Wirral Metro | 1:07.40 |
| 3 | 52 | Peiqi Wu | 16 | | Stockport Mo | 1:06.60 |
| 4 | 59 | Kate Schillinger | 15 | | Winsford | 1:04.20 |
| 5 | 56 | Emily Hall | 15 | | Warrington W | 1:05.90 |
| 6 | 49 | Elizabeth Curphey | 16 | | Io Man | 1:07.00 |
| 7 | 43 | Anna Fenwick | 17 | | Satellite | 1:08.00 |
| 8 | 33 | Jamie-Leigh Tyson | 19 | | Ulverston | 1:08.90 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 41 | Jorja Howard | 15 | | Wigan BEST | 1:08.08 |
| 2 | 47 | Lily Smith | 20 | | Ulverston | 1:07.20 |
| 3 | 53 | Lily Horton | 17 | | Wirral Metro | 1:06.50 |
| 4 | 60 | Isobel Liptrot | 17 | | Wigan BEST | 1:02.00 |
| 5 | 57 | Lily O'Neill | 17 | | Stockport Mo | 1:05.50 |
| 6 | 50 | Laila Lawrenson | 16 | | Preston | 1:07.00 |
| 7 | 44 | Sophia Hewlett | 15 | | Bebington | 1:07.70 |
| 8 | 36 | Libbie Poole | 18 | | Co Salford | 1:08.50 |