EVENT 17 Female 09 Yrs/Over 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Millie SMITH | 10 | Chase | 1:57.00 |
| 3 | 3 | Chloe POWNALL | 12 | Crewe Flyers | 1:53.94 |
| 4 | 2 | Mya MCGUINNESS | 10 | Chase | 1:54.19 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 5 | Millicent KENDERDINE | 9 | Chase | 1:47.90 |
| 2 | 7 | Abigail SIMPSON | 10 | Cheadle | 1:44.70 |
| 3 | 9 | Sophia SOLLEY | 10 | Repton | 1:37.26 |
| 4 | 8 | Poppy HALDRON | 12 | Chase | 1:38.02 |
| 5 | 6 | Evie BURROWS | 10 | Dove Valley | 1:45.77 |
| 6 | 4 | Poppy SPERRYN | 13 | Lichfield | 1:49.11 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 11 | Imogen WRIGHT | 12 | Lichfield | 1:35.13 |
| 2 | 13 | Madeleine HARRIS | 10 | Repton | 1:33.28 |
| 3 | 15 | Hara FARR-GONZALEZ | 11 | Dove Valley | 1:30.96 |
| 4 | 14 | H BAYLEY | 9 | Repton | 1:33.24 |
| 5 | 12 | Nyah MILLS | 11 | Chase | 1:33.50 |
| 6 | 10 | Gabriella HAYES | 10 | NottmLeander | 1:35.66 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 17 | Laney CULLEN | 11 | Crewe Flyers | 1:27.68 |
| 2 | 19 | Nancy HALL | 11 | Dove Valley | 1:26.69 |
| 3 | 21 | Thea KALWAK | 12 | Repton | 1:24.92 |
| 4 | 20 | Sara PIASZYK | 12 | Cheadle | 1:26.60 |
| 5 | 18 | Paige MARRS | 12 | Chase | 1:26.88 |
| 6 | 16 | T OCASIO - MILKINS | 13 | Repton | 1:28.89 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 23 | Hannah JUNOR | 13 | Repton | 1:22.01 |
| 2 | 25 | Hannah JOHN | 12 | Repton | 1:20.13 |
| 3 | 27 | Henrietta HEMS GILLSON | 12 | Repton | 1:19.27 |
| 4 | 26 | Olivia WOODWARD | 12 | Chase | 1:19.81 |
| 5 | 24 | Tabatha HEMS GILLSON | 11 | Repton | 1:21.86 |
| 6 | 22 | Imogen WILLIAMS | 12 | Cheadle | 1:23.67 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 29 | Brooke BARTLEY | 13 | Cheadle | 1:18.14 |
| 2 | 31 | Fox HIBBERD | 10 | Mansfield | 1:17.41 |
| 3 | 33 | Ellie WAN | 11 | Repton | 1:16.38 |
| 4 | 32 | Emily EDWARDS | 13 | Repton | 1:17.14 |
| 5 | 30 | Alisa BERZAN | 12 | Repton | 1:17.70 |
| 6 | 28 | Sally KNIGHT | 16 | Crewe Flyers | 1:18.33 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 35 | Scarlett KENNEDY | 13 | Repton | 1:15.55 |
| 2 | 37 | Isabel GAVIN-JONES | 14 | Repton | 1:13.18 |
| 3 | 39 | Ellie STREET | 12 | Chase | 1:12.16 |
| 4 | 38 | Isla MORAN | 13 | Repton | 1:13.11 |
| 5 | 36 | Holly MASON | 16 | Lichfield | 1:14.84 |
| 6 | 34 | Daisy ASHWORTH | 13 | Repton | 1:16.10 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 41 | Philippa HICKMAN | 17 | Repton | 1:11.31 |
| 2 | 43 | Aurelia WAWRZYNIEWICZ | 16 | Repton | 1:08.70 |
| 3 | 45 | Annabelle BLACKBIRD | 15 | Repton | 1:05.47 |
| 4 | 44 | I PARSONS-LOADES | 14 | Repton | 1:07.52 |
| 5 | 42 | Maisie MOORE | 15 | Repton | 1:11.20 |
| 6 | 40 | Nyah WORTHINGTON | 14 | Repton | 1:11.93 |