EVENT 307 Girls Open 200m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | CHARLOTTE BROWNLESS | 11 | Lincoln TSA | |
| 4 | 3 | ERIN WILLIAMS | 13 | Eckington | 4:20.00 |
| 5 | 2 | SOFIA SLOBODYUK | 13 | Swadlincote | 4:55.54 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | ELLIE-MAE ROSE | 9 | Hucknall | 3:57.00 |
| 2 | 6 | IMOGEN MARSHALL | 9 | Co Sheffield | 3:48.01 |
| 3 | 8 | AMELIA BRICKNELL | 10 | Hucknall | 3:41.82 |
| 4 | 10 | MIA WALLACE | 11 | Chesterfield | 3:30.00 |
| 5 | 9 | RUBY PODMORE | 10 | Co Sheffield | 3:31.40 |
| 6 | 7 | CHLOE SIMPSON | 10 | Co Sheffield | 3:45.01 |
| 7 | 5 | MARNIE WORTHINGTON | 9 | Sherwood | 3:50.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 12 | ISLA COLLUMBELL | 12 | DerbyPhoenix | 3:19.20 |
| 2 | 14 | MARIANA GARCIA | 9 | Co Sheffield | 3:14.80 |
| 3 | 16 | AYDRIAN COPE | 14 | Ripley | 3:12.04 |
| 4 | 18 | ZOE PARSONS | 14 | Lincoln TSA | 3:07.57 |
| 5 | 17 | LUCY WALL | 11 | Buxton | 3:10.00 |
| 6 | 15 | FELICITY WINDER | 10 | Co Sheffield | 3:14.70 |
| 7 | 13 | HOLLY HUNTER | 12 | Chesterfield | 3:18.69 |
| 8 | 11 | BRONTE EASEY | 10 | Retford | 3:21.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 20 | NICOLE KOSTRZEWA | 14 | DerbyPhoenix | 3:06.46 |
| 2 | 22 | ALISHA CAMERON | 13 | Co Sheffield | 2:57.80 |
| 3 | 24 | ELLA WHEATER-LOWE | 12 | NottmLeander | 2:54.70 |
| 4 | 26 | LUCY REDMOND | 13 | Chesterfield | 2:53.07 |
| 5 | 25 | ANNABEL BAGSHAW | 13 | Buxton | 2:54.19 |
| 6 | 23 | ISABELLE BUNTING | 12 | Sherwood | 2:56.17 |
| 7 | 21 | EVA WILLIAMS | 12 | Eckington | 3:01.90 |
| 8 | 19 | AMELIE VENABLES | 11 | Retford | 3:06.70 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 28 | OLIVIA LEE | 12 | Derby Excel | 2:50.70 |
| 2 | 30 | SOPHIA LEWIS | 15 | Derby Excel | 2:49.35 |
| 3 | 32 | POPPY IRELAND | 13 | Sherwood | 2:45.70 |
| 4 | 34 | KT TAYLOR | 17 | Chesterfield | 2:24.68 |
| 5 | 33 | LIBBY COOPER | 13 | Sherwood | 2:37.32 |
| 6 | 31 | ISLA CRAFT | 12 | Swadlincote | 2:46.10 |
| 7 | 29 | KYRA WINTER | 12 | Chesterfield | 2:49.50 |
| 8 | 27 | SCARLETT HOWE | 12 | DerbyPhoenix | 2:53.02 |