EVENT 503 Female 10 Yrs/Over 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Edie LEUNG | 11 | Co Liverpool | 1:24.17 |
| 3 | 3 | Poppy READ | 13 | Co Liverpool | 1:15.01 |
| 4 | 5 | Seren JOHNSON | 13 | Wirral Metro | 1:14.30 |
| 5 | 4 | Rose NICKSON | 12 | Co Liverpool | 1:14.98 |
| 6 | 2 | Hope BIRLEY-BROWN | 11 | Wirral Metro | 1:22.10 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 7 | Darcie CLAXTON | 15 | Satellite | 1:13.60 |
| 2 | 9 | Isabelle TAYLOR | 18 | Wirral Metro | 1:12.90 |
| 3 | 11 | Eva TURNER | 15 | Clitheroe | 1:12.60 |
| 4 | 13 | Daisy D'ARCY | 15 | Co Liverpool | 1:12.10 |
| 5 | 12 | Alexia CALLAN | 15 | Lancaster | 1:12.48 |
| 6 | 10 | Lily OWEN | 16 | Winsford | 1:12.70 |
| 7 | 8 | Eva SMITH | 14 | Co Liverpool | 1:13.13 |
| 8 | 6 | Scarlett Rose BARR | 16 | Co Liverpool | 1:14.08 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 15 | Isla ASTLE | 14 | Clitheroe | 1:10.63 |
| 2 | 17 | Harper ASPINALL | 14 | Wirral Metro | 1:10.51 |
| 3 | 19 | Amelie HAUSCHILD | 15 | Co Sheffield | 1:10.16 |
| 4 | 21 | Eloise WALMSLEY | 17 | Clitheroe | 1:09.78 |
| 5 | 20 | Lottie ABBOTT BECK | 15 | Wirral Metro | 1:10.10 |
| 6 | 18 | Ava LEWIS | 15 | Wirral Metro | 1:10.20 |
| 7 | 16 | Sofia DAVIES | 15 | Co Liverpool | 1:10.63 |
| 8 | 14 | Rosie ELLISON | 16 | Knutsford | 1:11.58 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 23 | Ava HALLIWELL | 15 | Wirral Metro | 1:09.50 |
| 2 | 25 | Vivien WILKINSON | 15 | Wirral Metro | 1:09.20 |
| 3 | 27 | Faith FELLOWS | 18 | Southport | 1:08.91 |
| 4 | 29 | Afia LANGLEY | 17 | Garston | 1:08.66 |
| 5 | 28 | Jessica JONES | 17 | LiverpoolPen | 1:08.70 |
| 6 | 26 | Pippa VEGH | 17 | Southport | 1:08.98 |
| 7 | 24 | Ellie JACKSON | 15 | Wirral Metro | 1:09.40 |
| 8 | 22 | Hannah LEE | 18 | Wigan BEST | 1:09.76 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 31 | Hermione COAKLEY-HINES | 16 | Wirral Metro | 1:08.20 |
| 2 | 33 | Imogen CLARKSON | 15 | Clitheroe | 1:07.90 |
| 3 | 35 | Sophie DOWDING | 19 | Co Liverpool | 1:06.70 |
| 4 | 37 | Mia BURSLEM | 20 | Co Liverpool | 1:05.47 |
| 5 | 36 | Petra VARGA | 18 | Wirral Metro | 1:05.97 |
| 6 | 34 | Yarah GHAZAL | 15 | Lancaster | 1:07.38 |
| 7 | 32 | Grace EBBRELL | 19 | Bebington | 1:08.20 |
| 8 | 30 | Martha SUMNALL | 16 | Co Liverpool | 1:08.57 |