EVENT 402 Female 200m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 2 | Amelia Cardona | 11 | Northampton | 3:45.00 |
| 3 | 4 | Morgan Sawyer | 10 | Coalville | 3:40.00 |
| 4 | 6 | Milly Webb | 10 | Northampton | 3:32.92 |
| 5 | 5 | Lakshmi Sharma | 10 | Braunstone | 3:37.14 |
| 6 | 3 | Alice Knott | 12 | Northampton | 3:45.00 |
| 7 | 1 | Daria Bielawska | 10 | Northampton | 3:48.70 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 8 | Hollie Willars | 11 | Braunstone | 3:18.93 |
| 2 | 10 | Vida Coulson | 11 | Northampton | 3:15.20 |
| 3 | 12 | Naomi Yates | 12 | Co Leicester | 3:05.99 |
| 4 | 14 | Sophie Lane | 12 | Co Leicester | 3:01.23 |
| 5 | 13 | Yasmine Waite | 15 | March | 3:02.07 |
| 6 | 11 | India Sawyer | 12 | Coalville | 3:12.46 |
| 7 | 9 | Freya Rose | 10 | Leic Peng | 3:18.28 |
| 8 | 7 | Edie Dexter | 11 | Leic Peng | 3:25.69 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 16 | Eliza Cresswell | 13 | Royal Wolv | 2:57.67 |
| 2 | 18 | Hollie Cowles | 13 | Braunstone | 2:55.86 |
| 3 | 20 | Isabelle Oldale | 14 | Worksop | 2:52.34 |
| 4 | 22 | Laura Graham-Brown | 13 | Co Leicester | 2:50.32 |
| 5 | 21 | Olivia Bevan | 13 | Co Leicester | 2:50.89 |
| 6 | 19 | Jessica Greenhalgh | 13 | Co Leicester | 2:53.85 |
| 7 | 17 | Emilia Durrington | 14 | Co Leicester | 2:56.65 |
| 8 | 15 | Ivy Lowe | 12 | Co Leicester | 2:57.84 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 24 | Florence Senior | 14 | Co Leicester | 2:48.68 |
| 2 | 26 | Laurana Green | 14 | Worksop | 2:46.50 |
| 3 | 28 | Nyah Worthington | 13 | Repton | 2:42.50 |
| 4 | 30 | Emma Graham-Brown | 15 | Co Leicester | 2:39.14 |
| 5 | 29 | Daisie Taylor | 14 | Worksop | 2:40.68 |
| 6 | 27 | Lucy Donaghey | 17 | Leic Peng | 2:42.95 |
| 7 | 25 | Caitlin Davidson | 12 | Bramcote | 2:48.04 |
| 8 | 23 | Erika Clarke | 13 | Co Leicester | 2:48.99 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 32 | Chloe Gent | 14 | Co Leicester | 2:36.99 |
| 2 | 34 | Amy Walker | 15 | Worksop | 2:34.59 |
| 3 | 36 | Matilda McGrath | 17 | Braunstone | 2:28.75 |
| 4 | 38 | Jessica Oxley | 15 | Co Leicester | 2:23.81 |
| 5 | 37 | Alice Streeter | 18 | Co Leicester | 2:23.96 |
| 6 | 35 | Anna Clarke | 15 | Co Leicester | 2:34.18 |
| 7 | 33 | Evie Bevan | 15 | Co Leicester | 2:36.33 |
| 8 | 31 | Isabelle McCorkell | 16 | Gainsborough | 2:37.03 |