EVENT 112 Female 50m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Lilly KELLY | 10 | Smeaton 8 | 1:41.78 |
| 3 | 3 | Juliette VITTIS | 10 | Rothwell 8 | 1:33.00 |
| 4 | 5 | Charlotte BROWN | 9 | Fearnville 8 | 1:21.62 |
| 5 | 4 | Athea ZAFEIRIOU | 8 | JCCS 8 | 1:30.25 |
| 6 | 2 | Jessica LEONARD | 9 | Rothwell 8 | 1:39.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 7 | Iona KHAN | 8 | Scott Hall 8 | 1:16.29 |
| 1 | 9 | Vy NGUYEN | 10 | Smeaton 8 | 1:15.00 |
| 2 | 11 | Elory YOHANNES | 9 | Fearnville 8 | 1:15.00 |
| 3 | 13 | Molly WAITE | 12 | Aire 8 | 1:15.00 |
| 4 | 15 | Sophie KNOTT | 10 | Smeaton 8 | 1:12.36 |
| 5 | 14 | Irene KINEL | 7 | Scott Hall 8 | 1:15.00 |
| 6 | 12 | Mia NOTEY | 9 | Scott Hall 8 | 1:15.00 |
| 7 | 10 | Olivia NICHOLL | 10 | Rothwell 8 | 1:15.00 |
| 8 | 8 | Sophie BEATON | 8 | Rothwell 8 | 1:15.00 |
| 9 | 6 | Eryn LEATHER | 8 | JCCS 8 | 1:20.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 17 | Charis MCNEILL | 9 | Scott Hall 8 | 1:11.00 |
| 1 | 19 | Lucy SUTHERLAND | 12 | Aire 8 | 1:10.44 |
| 2 | 21 | Anna WETHERILL | 9 | Scott Hall 8 | 1:10.00 |
| 3 | 23 | Lottie MUMMERY | 10 | Scott Hall 8 | 1:10.00 |
| 4 | 25 | Emilia DAVIES | 9 | Scott Hall 8 | 1:09.01 |
| 5 | 24 | Lally PAHLAVAN | 8 | Fearnville 8 | 1:09.39 |
| 6 | 22 | Nola BEAUMONT | 8 | Rothwell 8 | 1:10.00 |
| 7 | 20 | Aadya BHATT | 10 | Morley 8 | 1:10.00 |
| 8 | 18 | Amara MEHTA | 9 | Scott Hall 8 | 1:10.87 |
| 9 | 16 | Lexie TIERNEY | 8 | Scott Hall 8 | 1:12.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 27 | Florence MCGEE | 10 | Fearnville 8 | 1:07.96 |
| 1 | 29 | Sinchana NAVEEN | 9 | Morley 8 | 1:06.53 |
| 2 | 31 | Issy DAWSON | 11 | Fearnville 8 | 1:06.00 |
| 3 | 33 | Isabelle COX | 11 | Scott Hall 8 | 1:05.00 |
| 4 | 35 | Lana AL-SHAMMARI | 9 | Scott Hall 8 | 1:03.21 |
| 5 | 34 | Evie SMITH | 12 | Aire 8 | 1:04.65 |
| 6 | 32 | Ava CHAPMAN | 10 | Scott Hall 8 | 1:05.54 |
| 7 | 30 | Phoebe BINDLOSS | 9 | Scott Hall 8 | 1:06.00 |
| 8 | 28 | Arwen BALL | 10 | Rothwell 8 | 1:07.74 |
| 9 | 26 | Rehansa MAHAVITHANA | 9 | Smeaton 8 | 1:08.50 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 37 | Ariana FELEA | 11 | Morley 8 | 1:02.00 |
| 1 | 39 | Norah HANCOCK | 11 | Morley 8 | 1:01.73 |
| 2 | 41 | Elhana MERON | 11 | Fearnville 8 | 1:01.34 |
| 3 | 43 | Vidya PATEL | 11 | JCCS 8 | 1:01.00 |
| 4 | 45 | Eliza GRAINGER | 10 | Rothwell 8 | 1:00.00 |
| 5 | 44 | Evie LURC | 8 | Morley 8 | 1:00.00 |
| 6 | 42 | Georgina FLINT | 9 | Scott Hall 8 | 1:01.24 |
| 7 | 40 | Ellie HIRST | 10 | Fearnville 8 | 1:01.40 |
| 8 | 38 | Isabelle CARR | 10 | Holt Park 8 | 1:02.00 |
| 9 | 36 | Dahla GILROY | 10 | Scott Hall 8 | 1:03.19 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 47 | Rose FEARNHEAD | 9 | Morley 8 | 1:00.00 |
| 1 | 49 | Hannah HACKNEY | 10 | Smeaton 8 | 59.67 |
| 2 | 51 | Ezrae COCKERILL | 11 | Scott Hall 8 | 59.16 |
| 3 | 53 | Daria AKSONOVA | 10 | JCCS 8 | 58.70 |
| 4 | 55 | Lauren KINGSLEY | 11 | Pudsey 8 | 58.12 |
| 5 | 54 | Isobel RICKETTS | 11 | Aire 8 | 58.69 |
| 6 | 52 | Lydia HUNT | 12 | Morley 8 | 59.11 |
| 7 | 50 | Florence MERLINO | 10 | Aire 8 | 59.57 |
| 8 | 48 | Thea RAI | 9 | Scott Hall 8 | 1:00.00 |
| 9 | 46 | Vanessa GORNIK | 11 | Morley 8 | 1:00.00 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 57 | Nancy LONG | 11 | Scott Hall 8 | 57.69 |
| 1 | 59 | Tess RUDKIN | 10 | Scott Hall 8 | 57.51 |
| 2 | 61 | Sanda CONDREA | 11 | Morley 8 | 57.00 |
| 3 | 63 | Lola BISHOP | 12 | Smeaton 8 | 56.70 |
| 4 | 65 | Nora CULLUM | 10 | Scott Hall 8 | 56.34 |
| 5 | 64 | Eva GREEN | 9 | Fearnville 8 | 56.46 |
| 6 | 62 | Ava GRAVILLE | 9 | Scott Hall 8 | 56.86 |
| 7 | 60 | Mabel BARKER | 11 | Holt Park 8 | 57.00 |
| 8 | 58 | Amelia MAYNARD | 11 | Aire 8 | 57.53 |
| 9 | 56 | Charlotte COOKE | 9 | Aire 8 | 57.82 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 67 | Phillipa CARTER | 11 | Pudsey 8 | 55.95 |
| 1 | 69 | Nabhanya MURUGANANTH | 9 | Morley 8 | 55.35 |
| 2 | 71 | Aiyana EL BEY | 11 | JCCS 8 | 55.00 |
| 3 | 73 | Elissia JAMIESON | 10 | Scott Hall 8 | 54.65 |
| 4 | 75 | Bethan DEWSBERY | 12 | Holt Park 8 | 53.25 |
| 5 | 74 | Helena WUDARCZYK | 12 | Rothwell 8 | 54.00 |
| 6 | 72 | Evelyn HASKINS | 10 | Scott Hall 8 | 54.86 |
| 7 | 70 | Lyra HAMBLETON-FIELD | 11 | Rothwell 8 | 55.10 |
| 8 | 68 | Thea PERROT | 11 | Aire 8 | 55.87 |
| 9 | 66 | Paige WOODALL | 10 | Morley 8 | 56.00 |
| Heat Number - 9 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 77 | Claire CARROLL | 11 | Aire 8 | 52.74 |
| 1 | 79 | Matilda BEARDSWORTH | 11 | Fearnville 8 | 50.59 |
| 2 | 81 | Evelyn CHIA | 12 | Fearnville 8 | 49.58 |
| 3 | 83 | Ayla GRAY | 12 | Fearnville 8 | 47.96 |
| 4 | 85 | Alanna JAMIESON | 12 | Scott Hall 8 | 43.00 |
| 5 | 84 | Emma PITTAM | 12 | Rothwell 8 | 45.84 |
| 6 | 82 | Amber EVITTS | 12 | Fearnville 8 | 49.00 |
| 7 | 80 | Georgia CASSON | 12 | Aire 8 | 50.03 |
| 8 | 78 | Katrin BARTOSEVIC | 12 | Fearnville 8 | 51.93 |
| 9 | 76 | Tily OSBORN | 10 | Scott Hall 8 | 52.87 |