EVENT 303 Women Open 50m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Evie REED | 11 | Bassetlaw Swim Squad | |
| 2 | 2 | Isla RICHARDS | 10 | Bassetlaw Swim Squad | 54.63 |
| 3 | 3 | Brontė EASEY | 9 | Bassetlaw Swim Squad | 50.59 |
| 4 | 4 | Emily GOODACRE | 10 | Bassetlaw Swim Squad | 49.03 |
| 5 | 5 | Starla HOPE | 11 | Bassetlaw Swim Squad | 48.05 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Lily O'BRIEN | 12 | Borough of Barnsley SC | 47.30 |
| 2 | 7 | Mia HOWARTH | 12 | Borough of Barnsley SC | 46.44 |
| 3 | 8 | Ava May BROCKLEHURST | 11 | Bassetlaw Swim Squad | 46.08 |
| 4 | 9 | Mia RICHARDS | 12 | Bassetlaw Swim Squad | 45.86 |
| 5 | 10 | Fleur WHEELER-KAYE | 10 | Bassetlaw Swim Squad | 45.51 |
| 6 | 11 | Lily PASHLEY | 11 | Bassetlaw Swim Squad | 45.05 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 12 | Lauren WINTLE | 10 | Newcastle (Staffs) ASC | 44.82 |
| 2 | 13 | Lana BOOTH | 11 | Newcastle (Staffs) ASC | 44.34 |
| 3 | 14 | Autumn DAVIS | 12 | Borough of Barnsley SC | 43.80 |
| 4 | 15 | Holly SEVERN | 12 | Borough of Barnsley SC | 43.73 |
| 5 | 16 | Amelie VENABLES | 10 | Bassetlaw Swim Squad | 43.53 |
| 6 | 17 | Isla STOCKLEY | 10 | Bassetlaw Swim Squad | 43.36 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 18 | Abbie CHARLESWORTH | 12 | Borough of Barnsley SC | 42.79 |
| 2 | 19 | Tate FOX | 11 | Bassetlaw Swim Squad | 42.24 |
| 3 | 20 | Stansie CROWE | 11 | Bassetlaw Swim Squad | 41.75 |
| 4 | 21 | Aimee ALY-WESTON | 12 | Bassetlaw Swim Squad | 41.63 |
| 5 | 22 | Lucy WIGHTMAN | 15 | Borough of Barnsley SC | 40.60 |
| 6 | 23 | Ruby SEVERN | 14 | Borough of Barnsley SC | 39.47 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 24 | Iona WATSON | 13 | Bassetlaw Swim Squad | 39.22 |
| 2 | 25 | Abigail BETTS | 12 | Bassetlaw Swim Squad | 38.81 |
| 3 | 26 | Isla O'CONNOR | 11 | Bassetlaw Swim Squad | 38.50 |
| 4 | 27 | Alyssa WARREN | 15 | Borough of Barnsley SC | 37.66 |
| 5 | 28 | Imogen HOWITT | 10 | Bassetlaw Swim Squad | 37.54 |
| 6 | 29 | Esme HAYS | 14 | Borough of Barnsley SC | 37.43 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 31 | Purdy ROBERTS | 14 | Borough of Barnsley SC | 37.08 |
| 2 | 33 | Keira TIGGARDINE | 16 | Borough of Barnsley SC | 36.80 |
| 3 | 35 | Ruby CREDLAND | 15 | Bassetlaw Swim Squad | 33.64 |
| 4 | 34 | Elizabeth VICKERMAN | 11 | Newcastle (Staffs) ASC | 34.87 |
| 5 | 32 | Holly KEILY | 12 | Newcastle (Staffs) ASC | 36.85 |
| 6 | 30 | Chloe HENDERSON | 14 | Newcastle (Staffs) ASC | 37.25 |