EVENT 103 Girls 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | C MARSDEN-PETTY | 10 | Morley 8 | |
| 2 | 3 | Jessica DJIEGOUE | 10 | JCCS 8 | |
| 3 | 5 | Lily Rose TURNER | 9 | Rothwell 8 | 1:39.00 |
| 4 | 7 | Annabelle FENTON | 10 | Rothwell 8 | 1:30.00 |
| 5 | 6 | Erin SMITH | 10 | Smeaton 8 | 1:34.90 |
| 6 | 4 | Stella PARKER | 10 | Co Leeds | |
| 7 | 2 | G ROBERTS-SMITH | 9 | Co Leeds | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 9 | Holly BROWN | 8 | Aire 8 | 1:29.87 |
| 1 | 11 | Matilda PENNELLS | 8 | Smeaton 8 | 1:25.37 |
| 2 | 13 | Isabella HOBSON | 10 | Co Leeds | 1:23.16 |
| 3 | 15 | Ariana WADIE | 8 | Aire 8 | 1:20.00 |
| 4 | 17 | Amelia BAIRSTOW | 11 | Morley 8 | 1:20.00 |
| 5 | 16 | Amelia MCCULLEN | 9 | JCCS 8 | 1:20.00 |
| 6 | 14 | Poppy JOHNSTONE | 10 | JCCS 8 | 1:21.17 |
| 7 | 12 | Nancy FRAZER | 11 | Aire 8 | 1:23.95 |
| 8 | 10 | Sophia COLEMAN | 8 | Smeaton 8 | 1:29.05 |
| 9 | 8 | Harper ELLIS | 8 | Smeaton 8 | 1:30.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 19 | Franka HOSTERT | 10 | Fearnville 8 | 1:18.61 |
| 1 | 21 | Ava ALLEN | 9 | Co Leeds | 1:16.03 |
| 2 | 23 | Katie SADLER | 9 | Co Leeds | 1:15.90 |
| 3 | 25 | Emma GLOSEK | 9 | Scott Hall 8 | 1:15.12 |
| 4 | 27 | Matilda DARK | 8 | Scott Hall 8 | 1:15.12 |
| 5 | 26 | Emily FLANAGAN | 11 | Scott Hall 8 | 1:15.12 |
| 6 | 24 | Olivia STORR | 10 | Aire 8 | 1:15.53 |
| 7 | 22 | Sophie LARKIN | 10 | JCCS 8 | 1:16.00 |
| 8 | 20 | Onadi GUNARATHNE | 8 | Smeaton 8 | 1:17.71 |
| 9 | 18 | Jemima PAPP | 8 | Aire 8 | 1:20.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 29 | Emelia MARKS | 10 | JCCS 8 | 1:15.00 |
| 1 | 31 | Fearne DYSON | 9 | JCCS 8 | 1:13.23 |
| 2 | 33 | Abigail BLACK | 12 | Kirkstall 8 | 1:10.00 |
| 3 | 35 | Leah MACDONALD | 9 | Armley 8 | 1:07.00 |
| 4 | 37 | Anna GLOSEK | 11 | Scott Hall 8 | 1:06.14 |
| 5 | 36 | Teegan HANOGUE | 9 | Aire 8 | 1:06.45 |
| 6 | 34 | Ella HARRISON | 10 | Smeaton 8 | 1:10.00 |
| 7 | 32 | Sophia TUNESI | 12 | Morley 8 | 1:10.00 |
| 8 | 30 | Heidi MACKINTOSH | 11 | Rothwell 8 | 1:15.00 |
| 9 | 28 | Amber THOMPSON | 10 | Aire 8 | 1:15.05 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 39 | Francesca SPALDING | 10 | JCCS 8 | 1:06.00 |
| 1 | 41 | Leia BURNS | 11 | Aire 8 | 1:04.60 |
| 2 | 43 | Harriet HARSLEY | 9 | Co Leeds | 1:03.74 |
| 3 | 45 | Nina PLUDOWSKA | 12 | Scott Hall 8 | 1:02.38 |
| 4 | 47 | Annabeth LOU-DAVEY | 10 | Holt Park 8 | 1:01.94 |
| 5 | 46 | Lexi HADDEN | 10 | Armley 8 | 1:02.37 |
| 6 | 44 | Rosemary DUNNIGAN | 9 | Co Leeds | 1:03.52 |
| 7 | 42 | Faith BRAYSHAW | 10 | Aire 8 | 1:03.79 |
| 8 | 40 | Daisy WHETSTONE-VEITCH | 11 | Pudsey 8 | 1:06.00 |
| 9 | 38 | Annabelle ALLSHORN | 11 | Holt Park 8 | 1:06.08 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 49 | Nell HARGREAVES | 9 | Co Leeds | 1:01.65 |
| 1 | 51 | Hannah GREENWOOD | 10 | Smeaton 8 | 1:00.98 |
| 2 | 53 | E PERULERO DRIEHAUS | 9 | Kirkstall 8 | 1:00.00 |
| 3 | 55 | Eve HEPBURN-WOOD | 10 | Co Leeds | 59.61 |
| 4 | 57 | Erin HARGREAVES | 10 | Co Leeds | 59.42 |
| 5 | 56 | Isla MCDONNELL | 11 | Co Leeds | 59.50 |
| 6 | 54 | Emilia DEVERILL | 10 | Co Leeds | 59.65 |
| 7 | 52 | Olivia HARSLEY | 9 | Co Leeds | 1:00.56 |
| 8 | 50 | Hana KWAN | 12 | Fearnville 8 | 1:01.19 |
| 9 | 48 | Isabelle JORDAN | 8 | Co Leeds | 1:01.66 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 59 | Madeleine FLAHERTY | 10 | Co Leeds | 58.75 |
| 1 | 61 | Erin DAVIES | 10 | Scott Hall 8 | 57.94 |
| 2 | 63 | Katie MILNER | 10 | Pudsey 8 | 57.46 |
| 3 | 65 | Elsie BAKER | 11 | Scott Hall 8 | 56.96 |
| 4 | 67 | Isla CUNDILL | 10 | Co Leeds | 56.18 |
| 5 | 66 | Eleanor BRAMWELL | 11 | Morley 8 | 56.90 |
| 6 | 64 | Eliza WRIGHT | 11 | Morley 8 | 57.00 |
| 7 | 62 | Fay GALLOWAY | 11 | Morley 8 | 57.60 |
| 8 | 60 | Georgia HAY | 11 | Co Leeds | 58.20 |
| 9 | 58 | Isla HAMMER | 12 | Rothwell 8 | 58.97 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 69 | Marley PARKER | 12 | Pudsey 8 | 54.33 |
| 1 | 71 | Molly CHILD | 11 | Co Leeds | 54.08 |
| 2 | 73 | Sophie GORDOIS | 11 | Co Leeds | 53.61 |
| 3 | 75 | Ana BICKERS | 10 | Co Leeds | 53.11 |
| 4 | 77 | Martha WADDELL | 11 | Co Leeds | 52.64 |
| 5 | 76 | Alana RANKIN | 10 | Co Leeds | 53.07 |
| 6 | 74 | Honey CLARK | 11 | Co Leeds | 53.16 |
| 7 | 72 | Nicole BROWN | 12 | Morley 8 | 54.05 |
| 8 | 70 | Ayla CARRY | 10 | Co Leeds | 54.09 |
| 9 | 68 | Daisy CARDIS | 11 | Co Leeds | 55.17 |
| Heat Number - 9 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 79 | Annabel CRAKER | 11 | Co Leeds | 51.56 |
| 1 | 81 | Madeline BECKRAM | 10 | Co Leeds | 50.70 |
| 2 | 83 | Sophia LANGE | 9 | Co Leeds | 50.15 |
| 3 | 85 | Grace OLDHAM | 10 | Co Leeds | 49.00 |
| 4 | 87 | Robyn DIAMANT | 11 | Co Leeds | 48.50 |
| 5 | 86 | Lotty CARROLL | 10 | Co Leeds | 48.80 |
| 6 | 84 | Lilia CLARKE | 12 | Holt Park 8 | 49.70 |
| 7 | 82 | Lucy RICHARDSON | 12 | Holt Park 8 | 50.33 |
| 8 | 80 | Layla BROOKES | 12 | Armley 8 | 51.00 |
| 9 | 78 | Martha ASHTON | 11 | Co Leeds | 51.86 |
| Heat Number - 10 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 89 | Maisie BARKER | 12 | Co Leeds | 47.71 |
| 1 | 91 | Ava MCLARKEY | 10 | Co Leeds | 47.45 |
| 2 | 93 | Poppy CHRISTIE | 11 | Scott Hall 8 | 45.79 |
| 3 | 95 | Florence HITCHENOR | 12 | Co Leeds | 42.62 |
| 4 | 97 | Abigail COLLEY | 12 | Co Leeds | 41.05 |
| 5 | 96 | Mary-Ada HUDSON-BOLD | 12 | Co Leeds | 42.50 |
| 6 | 94 | Evelyn ATKINSON | 10 | Co Leeds | 43.50 |
| 7 | 92 | Kate RICHARDSON | 11 | Co Leeds | 47.40 |
| 8 | 90 | Bela MONTGOMERY | 11 | Co Leeds | 47.64 |
| 9 | 88 | Jessica COLLEY | 10 | Co Leeds | 47.78 |