EVENT 202 Female 50m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Honor Luckhurst | 16 | Preston | |
| 4 | 3 | Elsie Kay | 13 | Leyland Barr | |
| 5 | 2 | Megan Templeton | 15 | Co Liverpool | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Libby Woods | 16 | Wigan BEST | |
| 2 | 6 | Daisy D'Arcy | 14 | Wigan BEST | |
| 3 | 8 | Robyn Sallis | 15 | Leyland Barr | |
| 4 | 11 | Iris Burkitt | 12 | Co Manch Aq | |
| 5 | 9 | Emilia Bogdanska | 13 | Preston | |
| 6 | 7 | Camilla Wild | 16 | Satellite | |
| 7 | 5 | Chloe Cowsill | 15 | Ulverston | 31.39 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 17 | Lucy Linton | 18 | Blackburn | |
| 2 | 23 | Lucy Beesley | 17 | Preston | |
| 3 | 29 | Jamie-Leigh Tyson | 19 | Ulverston | 30.48 |
| 4 | 36 | Sophie Shaw | 23 | Co Manch Aq | 29.58 |
| 5 | 32 | Zahra Davies | 19 | Co Manch Aq | 31.07 |
| 6 | 26 | Autum Claxton | 14 | Stockport Mo | 30.88 |
| 7 | 20 | Molly Brennan | 18 | Winsford | 30.65 |
| 8 | 12 | Wendy Du | 17 | Altrincham | 31.52 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 18 | Phoebe Carroll | 15 | Trafford Met | |
| 2 | 24 | Libbie Poole | 18 | Flixton | |
| 3 | 30 | Lily Horton | 17 | Wirral Metro | 30.02 |
| 4 | 37 | Peiqi Wu | 16 | Stockport Mo | 28.94 |
| 5 | 33 | Elizabeth Curphey | 16 | Io Man | 29.81 |
| 6 | 27 | Yarah Ghazal | 14 | Lancaster | 30.84 |
| 7 | 21 | Scarlett Robinson | 17 | Ulverston | |
| 8 | 14 | Isla Liptrot | 12 | Wigan BEST | |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 19 | Sophia Hewlett | 15 | Bebington | 31.54 |
| 2 | 25 | Laila Lawrenson | 16 | Preston | 31.15 |
| 3 | 31 | Megan Ormiston | 15 | Stockport Mo | 30.24 |
| 4 | 38 | Isobel Liptrot | 17 | Wigan BEST | 29.21 |
| 5 | 34 | Olivia Edgar | 16 | Chorley Marl | 31.03 |
| 6 | 28 | Jessica McNiven | 16 | Blackpool Aq | 30.26 |
| 7 | 22 | Sophie Grindley | 20 | Winsford | 31.49 |
| 8 | 16 | Holly Baker | 15 | Bury & Elton | 31.68 |