EVENT 504 Girl 09 Yrs/Over 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 2 | Cleo MONIE | 12 | Co Cambridge | 1:52.95 |
| 4 | 4 | Imogen ALCOCK | 12 | Co Cambridge | 1:45.41 |
| 5 | 3 | Emily BRIDGES | 10 | Co Peterboro | 1:48.11 |
| 6 | 1 | Dixie SWALES | 9 | Huntingdon | 2:09.93 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 7 | Phoebe MCDONALD | 12 | West Suffolk | 1:36.90 |
| 2 | 11 | Molly WALTON | 11 | Co Cambridge | 1:35.35 |
| 3 | 13 | Poppy MOORE | 10 | West Suffolk | 1:32.13 |
| 4 | 15 | India CLEMENT | 10 | West Suffolk | 1:31.70 |
| 5 | 14 | Emily HORNBY | 13 | Co Cambridge | 1:31.76 |
| 6 | 12 | Lucy RANDALL | 13 | Royston | 1:33.51 |
| 7 | 9 | Emelia ROE | 11 | West Suffolk | 1:36.15 |
| 8 | 6 | Megan RANDALL | 10 | Royston | 1:39.90 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 17 | Isobel FRASER | 13 | Co Peterboro | 1:31.08 |
| 2 | 19 | Robyn GERRARD | 16 | Co Peterboro | 1:30.23 |
| 3 | 21 | Poppy GARROD | 12 | Co Peterboro | 1:27.39 |
| 4 | 23 | Brooke COPPING | 12 | West Suffolk | 1:26.44 |
| 5 | 22 | Bea GRANT | 13 | Royston | 1:26.58 |
| 6 | 20 | Charlotte CREASY | 13 | West Suffolk | 1:27.95 |
| 7 | 18 | Matilda MANNION | 12 | Co Cambridge | 1:31.01 |
| 8 | 16 | Grace ADAMSON | 12 | West Suffolk | 1:31.14 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 25 | Emma CUSHION | 11 | Co Peterboro | 1:24.90 |
| 2 | 27 | Zara RICHARDS | 15 | Co Cambridge | 1:23.95 |
| 3 | 29 | Yan Ting Emily PAK | 12 | Co Cambridge | 1:21.25 |
| 4 | 31 | Heidi BRUGGRABER | 15 | Co Cambridge | 1:20.59 |
| 5 | 30 | Tilda CLEMENTS | 13 | St Neot Swan | 1:20.95 |
| 6 | 28 | Eloise MANTON | 14 | West Suffolk | 1:21.30 |
| 7 | 26 | Alice ROBINSON | 12 | Co Cambridge | 1:24.46 |
| 8 | 24 | Evie WILSON | 12 | Co Cambridge | 1:24.98 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 33 | Maya SANGIORGIO | 13 | Co Peterboro | 1:20.33 |
| 2 | 35 | Genevieve WHITE | 13 | Co Cambridge | 1:20.17 |
| 3 | 37 | Sofia ANDRE-BARRETT | 12 | Co Cambridge | 1:17.78 |
| 4 | 39 | Isabel MOORE | 13 | West Suffolk | 1:17.01 |
| 5 | 38 | Elizabeth WRIGHT | 14 | West Suffolk | 1:17.60 |
| 6 | 36 | Elizabeth SEYS | 16 | West Suffolk | 1:18.09 |
| 7 | 34 | Isabel COUCH | 13 | St Neot Swan | 1:20.30 |
| 8 | 32 | Tyra SAJUDEEN | 11 | Co Cambridge | 1:20.47 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 41 | Daria Nicole DONCILA | 14 | Co Peterboro | 1:16.43 |
| 2 | 43 | Isabelle CAMERON | 15 | Co Peterboro | 1:15.36 |
| 3 | 45 | Vasilisa SHAMPANOVA | 14 | Co Cambridge | 1:14.42 |
| 4 | 47 | Lilly DAVIS | 14 | Co Peterboro | 1:12.84 |
| 5 | 46 | Amelia SPEECHLEY | 14 | Co Cambridge | 1:13.37 |
| 6 | 44 | Alina TURCHYN | 15 | Co Cambridge | 1:14.97 |
| 7 | 42 | Weronika MIKOLAJEWSKA | 13 | Co Peterboro | 1:15.37 |
| 8 | 40 | Alice WATTS | 13 | Co Cambridge | 1:16.99 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 49 | Molly PEACOCK | 19 | West Suffolk | 1:11.97 |
| 2 | 51 | Lucy HUTCHINSON | 17 | West Suffolk | 1:10.46 |
| 3 | 53 | Emily CUTTING | 16 | West Suffolk | 1:08.65 |
| 4 | 55 | Isobel MATHER | 14 | Co Cambridge | 1:08.58 |
| 5 | 54 | Isla FULLUCK-HOLMES | 14 | Co Peterboro | 1:08.60 |
| 6 | 52 | Amélie SMITH | 16 | Co Cambridge | 1:09.21 |
| 7 | 50 | Olivia LYDON | 16 | Royston | 1:11.85 |
| 8 | 48 | Anouk ZECCHINI | 15 | Co Cambridge | 1:12.65 |