EVENT 307 Womens Open 200m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 2 | Niamh O'MEARA | 13 | Watford SC | 2:30.89 |
| 3 | 4 | Morgan ALLAN | 16 | Modernian | 2:30.57 |
| 4 | 6 | Anna FALLON | 16 | Team Luton | 2:30.07 |
| 5 | 5 | Lucy YOUNG | 14 | Modernian | 2:30.49 |
| 6 | 3 | Clara WATSON-FLOWERS | 13 | St Felix Sch | 2:30.71 |
| 7 | 1 | Amelie SMITH | 14 | Co Cambridge | 2:30.98 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 8 | Georgina MUNDAY | 15 | Modernian | 2:29.60 |
| 2 | 10 | Isabella YEABSLEY | 13 | Hatfield | 2:29.34 |
| 3 | 12 | Jessica KEFFORD | 15 | Dunstable | 2:28.91 |
| 4 | 14 | Jessica SHAW | 14 | Co Peterboro | 2:28.74 |
| 5 | 13 | Nellie EASTLAND | 17 | Bishop Stort | 2:28.82 |
| 6 | 11 | Ella TOLLIDAY | 17 | St Felix Sch | 2:29.14 |
| 7 | 9 | Salma TERKEMANI | 13 | Modernian | 2:29.46 |
| 8 | 7 | Mia FURSEDONNE | 17 | Basildon Ph | 2:29.97 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 16 | Emily LUSH | 17 | Potters Bar | 2:28.36 |
| 2 | 18 | Hannah WILLIS | 14 | Co Peterboro | 2:28.22 |
| 3 | 20 | Harriet CLEMENTS | 15 | Watford SC | 2:28.04 |
| 4 | 22 | Amy GREEN | 15 | Chelmsford | 2:27.94 |
| 5 | 21 | Francesca LOW | 14 | Chelmsford | 2:27.97 |
| 6 | 19 | Francesca CROCKER | 19 | St Ives | 2:28.12 |
| 7 | 17 | Leah WIGHTMAN | 14 | West Norfolk | 2:28.30 |
| 8 | 15 | Celeste ANDREW | 18 | Harlow Pen | 2:28.40 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 24 | Emma SHOOBERT | 17 | C Beds SS | 2:27.70 |
| 2 | 26 | Gemma NOTTAGE | 14 | Watford SC | 2:27.60 |
| 3 | 28 | Brooke JENKINS | 15 | Basildon Ph | 2:27.43 |
| 4 | 30 | Molly REDGRAVE | 15 | Colchester | 2:27.24 |
| 5 | 29 | Katie ANDREWS | 15 | Norwich Swan | 2:27.30 |
| 6 | 27 | Emily FALKUS | 14 | Runnymede | 2:27.50 |
| 7 | 25 | Agnes BURNS | 18 | Harpenden | 2:27.63 |
| 8 | 23 | Lucie PECK | 16 | St Felix Sch | 2:27.80 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 32 | Emily COOPER | 14 | Basildon Ph | 2:26.80 |
| 2 | 34 | Millie TURNER | 16 | Basildon Ph | 2:26.71 |
| 3 | 36 | Tilly ANEMA | 18 | Co Norwich | 2:25.96 |
| 4 | 38 | Emma HOWITT | 17 | Modernian | 2:25.60 |
| 5 | 37 | Maeve POOLEY | 14 | West Suffolk | 2:25.70 |
| 6 | 35 | Lauren YOUNG | 16 | Flitwick | 2:26.04 |
| 7 | 33 | Madelyn LATIMER-HICKS | 15 | St Felix Sch | 2:26.75 |
| 8 | 31 | Sophie LANDER | 14 | Deben | 2:26.89 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 42 | Asma PARKER | 16 | Colchester | 2:24.71 |
| 2 | 48 | Celyn WALMSLEY | 18 | Team Luton | 2:21.96 |
| 3 | 54 | Charlotte NORMAN | 14 | teamipswich | 2:18.65 |
| 4 | 60 | Emma CRUICKSHANKS | 16 | teamipswich | 2:16.40 |
| 5 | 57 | Olivia NORMAN | 17 | teamipswich | 2:17.62 |
| 6 | 51 | Carys BREALEY | 15 | Harlow Pen | 2:21.23 |
| 7 | 45 | Sara KALAWSKA | 16 | Hatfield | 2:24.03 |
| 8 | 39 | Kiera BLUNDEN | 14 | Chelmsford | 2:25.09 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 43 | Matilda BOGLE | 13 | teamipswich | 2:24.50 |
| 2 | 49 | Jessica KEOGH | 15 | Hatfield | 2:21.93 |
| 3 | 55 | Amelia MONAGHAN | 17 | Co Peterboro | 2:18.38 |
| 4 | 61 | Abbie LOW | 17 | Chelmsford | 2:15.75 |
| 5 | 58 | Lauren STOTT | 17 | Hatfield | 2:17.30 |
| 6 | 52 | Ella TURNER | 14 | Basildon Ph | 2:20.70 |
| 7 | 46 | Erin YEOMANSON | 16 | teamipswich | 2:24.00 |
| 8 | 40 | Rebecca SMITH | 16 | Norwich Swan | 2:25.05 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 44 | Ellie MATTHEWS | 16 | Putteridge | 2:24.29 |
| 2 | 50 | Eve WRIGHT | 16 | Co Peterboro | 2:21.64 |
| 3 | 56 | Gracie KAY | 16 | Co Cambridge | 2:18.14 |
| 4 | 62 | Megan PYE | 17 | Co Norwich | 2:14.23 |
| 5 | 59 | Niamh JAMES | 18 | Bishop Stort | 2:16.45 |
| 6 | 53 | Ellie WHEELER | 17 | Basildon Ph | 2:19.77 |
| 7 | 47 | Jemima WAYMAN | 16 | Deben | 2:23.97 |
| 8 | 41 | Charlotte HARRIS | 16 | Maldon Shark | 2:24.90 |