EVENT 205 Female 200m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Isobel HARRISON | 10 | Co Sheffield | 4:20.00 |
| 4 | 3 | Ella KENDALL | 10 | Conwy | 4:00.00 |
| 5 | 2 | Maya MIRANDA-SHINYA | 10 | Co Sheffield | 4:06.77 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 5 | Ella STRAFFON-FINCH | 12 | Chadderton | 3:52.00 |
| 3 | 7 | Nell HARGREAVES | 9 | Co Leeds | 3:45.06 |
| 4 | 9 | Maria AP ROBERT | 12 | Nofio P.B.P | 3:36.00 |
| 5 | 8 | Jessica DJIEGOUE | 10 | Co Leeds | 3:40.00 |
| 6 | 6 | Erin REID | 11 | Wetherby | 3:47.10 |
| 7 | 4 | Sienna JONES | 9 | Chadderton | 3:52.09 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 11 | Mali DAVIES | 10 | Caernarfon | 3:30.00 |
| 2 | 13 | Sophia LANGE | 9 | Co Leeds | 3:26.20 |
| 3 | 15 | Isabel HORNBY | 14 | Caernarfon | 3:21.10 |
| 4 | 17 | Isabelle LOK | 10 | Co Leeds | 3:18.98 |
| 5 | 16 | Madeleine FLAHERTY | 10 | Co Leeds | 3:20.00 |
| 6 | 14 | Lyla WILLIAMS | 13 | Conwy | 3:22.40 |
| 7 | 12 | Olive MITCHELL | 10 | Co Leeds | 3:26.80 |
| 8 | 10 | Erika MARINOVA | 10 | Co Sheffield | 3:31.69 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 19 | Ezmae ALLEN | 11 | Co Sheffield | 3:17.61 |
| 2 | 21 | Evie COOK | 11 | Co Leeds | 3:16.98 |
| 3 | 23 | Polly JESSOP | 11 | Co Sheffield | 3:15.18 |
| 4 | 25 | Michelle BROGDEN | 9 | Co Leeds | 3:10.80 |
| 5 | 24 | Brooke SMITH | 13 | Conwy | 3:12.50 |
| 6 | 22 | Emilia DEVERILL | 10 | Co Leeds | 3:16.22 |
| 7 | 20 | Grace OLDHAM | 11 | Co Leeds | 3:17.03 |
| 8 | 18 | Eve HEPBURN-WOOD | 11 | Co Leeds | 3:17.86 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 27 | Nel OWEN | 10 | Caernarfon | 3:05.99 |
| 2 | 29 | Kiera WILLIAMS | 13 | Conwy | 3:04.80 |
| 3 | 31 | Livia STACEY | 12 | Co Leeds | 3:00.30 |
| 4 | 33 | Taya WINGFIELD | 13 | Co Leeds | 3:00.00 |
| 5 | 32 | Grace O'HARA | 11 | Co Leeds | 3:00.10 |
| 6 | 30 | Jessica COLLEY | 11 | Co Leeds | 3:03.51 |
| 7 | 28 | Freya ELLIS | 12 | Co Leeds | 3:05.30 |
| 8 | 26 | Katie SADLER | 10 | Co Leeds | 3:09.54 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 35 | Neve STAFFORD | 11 | Co Leeds | 2:56.11 |
| 2 | 37 | Willow WRIGHT | 10 | Co Leeds | 2:53.90 |
| 3 | 40 | Penelope DALLIMORE | 13 | Co Leeds | 2:48.40 |
| 4 | 42 | Bethany MAKWEMBERE | 12 | Preston | 2:46.96 |
| 5 | 41 | Daisy GLOVER | 13 | Co Leeds | 2:47.80 |
| 6 | 38 | Juliette CONNOLLY | 13 | Conwy | 2:52.30 |
| 7 | 36 | Mali JONES | 13 | Caernarfon | 2:54.00 |
| 8 | 34 | Evelyn ATKINSON | 10 | Co Leeds | 2:56.20 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 44 | Erin BENTLEY | 13 | Co Leeds | 2:45.93 |
| 2 | 46 | Nel HUGHES | 12 | Caernarfon | 2:44.40 |
| 3 | 48 | Amit MALTZ | 13 | Harrogate | 2:43.12 |
| 4 | 50 | Alaw EDWARDS | 14 | Caernarfon | 2:36.81 |
| 5 | 49 | Elizabeth BOND | 12 | Co Leeds | 2:42.57 |
| 6 | 47 | Annabel GALBRAITH | 13 | Co Leeds | 2:44.30 |
| 7 | 45 | Isla STOCKLEY | 12 | Co Sheffield | 2:45.74 |
| 8 | 43 | Marina AMBROSIO | 13 | Co Manch Aq | 2:46.15 |