EVENT 407 Female 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 3 | 1 | Samantha Lewis | 33 | S8 | Satellite | |
| 4 | 3 | Isabella Andreou | 14 | S9 | Crewe Flyers | |
| 5 | 2 | Phoebe Dyer | 14 | S9 | Stockport Mo | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 4 | Chiara Fellone | 18 | S14 | Ramsbottom | |
| 2 | 6 | Astrid Carroll | 16 | S12 | Stockport Mo | |
| 3 | 8 | Alexia Callan | 14 | | Lancaster | |
| 4 | 11 | Amber Forkgen | 13 | | Wigan BEST | |
| 5 | 10 | Ellie Woodcock | 14 | | Cockermouth | |
| 6 | 7 | Siena Oxby | 18 | S14 | Winsford | |
| 7 | 5 | Brooklyn Hale | 15 | S9 | Cockermouth | |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 13 | Emilia Bogdanska | 13 | | Preston | |
| 2 | 15 | Libby Woods | 16 | | Wigan BEST | |
| 3 | 17 | Phoebe Carroll | 15 | | Trafford Met | |
| 4 | 19 | Isabelle Carter | 15 | | Prescot | |
| 5 | 18 | Isabelle Fletcher | 16 | | Winsford | |
| 6 | 16 | Daisy Barlow | 15 | | Co Salford | |
| 7 | 14 | Megan Templeton | 15 | | Co Liverpool | |
| 8 | 12 | Holly Baker | 15 | | Bury & Elton | |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 23 | Eleanor Kay | 19 | | Bolton Metro | |
| 2 | 29 | Isla Liptrot | 12 | | Wigan BEST | |
| 3 | 35 | Peiqi Wu | 16 | | Stockport Mo | |
| 4 | 41 | Elizabeth Curphey | 16 | | Io Man | |
| 5 | 38 | Olivia O'Mahony | 17 | | Cockermouth | |
| 6 | 32 | Daisy D'Arcy | 14 | | Wigan BEST | |
| 7 | 26 | Yarah Ghazal | 14 | | Lancaster | |
| 8 | 20 | Olivia Wilson | 15 | | Co Salford | |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 24 | Libbie Poole | 18 | | Flixton | |
| 2 | 30 | Sophia Hewlett | 15 | | Bebington | |
| 3 | 36 | Kate Roberts | 16 | | Co Liverpool | |
| 4 | 44 | Sophie Shaw | 23 | | Co Manch Aq | |
| 5 | 39 | Olivia Edgar | 16 | | Chorley Marl | |
| 6 | 33 | Laila Lawrenson | 16 | | Preston | |
| 7 | 27 | Molly Brennan | 18 | | Winsford | |
| 8 | 21 | Camilla Holland | 14 | | Wigan BEST | |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 25 | Wendy Du | 17 | | Altrincham | |
| 2 | 31 | Jamie-Leigh Tyson | 19 | | Ulverston | |
| 3 | 37 | Autum Claxton | 14 | | Stockport Mo | |
| 4 | 45 | Isobel Liptrot | 17 | | Wigan BEST | |
| 5 | 40 | Lily Horton | 17 | | Wirral Metro | |
| 6 | 34 | Megan Ormiston | 15 | | Stockport Mo | |
| 7 | 28 | Jessica Jones | 16 | | Warrington W | |
| 8 | 22 | Eboni Thoburn | 17 | | Southport | |