EVENT 102 Female 50m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Vidya PATEL | 11 | JCCS 8 | 1:47.35 |
| 1 | 3 | Lilly KELLY | 10 | Smeaton 8 | 1:35.29 |
| 2 | 5 | Lally PAHLAVAN | 8 | Fearnville 8 | 1:30.00 |
| 3 | 7 | Katy DORRINGTON | 8 | Aire 8 | 1:28.92 |
| 4 | 9 | Nora GLEBOVA | 8 | Fearnville 8 | 1:23.70 |
| 5 | 8 | Olivia NICHOLL | 10 | Rothwell 8 | 1:28.00 |
| 6 | 6 | Isabelle CARR | 10 | Holt Park 8 | 1:29.68 |
| 7 | 4 | Hallie DEAN | 9 | Rothwell 8 | 1:32.00 |
| 8 | 2 | Charlotte BROWN | 9 | Fearnville 8 | 1:37.62 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 11 | Florence MCGEE | 10 | Fearnville 8 | 1:22.86 |
| 1 | 13 | Ava CHAPMAN | 10 | Scott Hall 8 | 1:22.00 |
| 2 | 15 | Eliza HASSAN | 11 | JCCS 8 | 1:20.00 |
| 3 | 17 | Nabhanya MURUGANANTH | 9 | Morley 8 | 1:20.00 |
| 4 | 19 | Grace YIP | 11 | Scott Hall 8 | 1:20.00 |
| 5 | 18 | ISABELLA ARTHUR-MOULD | 10 | Scott Hall 8 | 1:20.00 |
| 6 | 16 | Angelica CLAYTON | 11 | Pudsey 8 | 1:20.00 |
| 7 | 14 | Irene KINEL | 7 | Scott Hall 8 | 1:20.00 |
| 8 | 12 | Valentina ALEXE | 11 | Rothwell 8 | 1:22.00 |
| 9 | 10 | Charis MCNEILL | 9 | Scott Hall 8 | 1:23.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 21 | Sophie WARREN | 10 | Holt Park 8 | 1:18.38 |
| 1 | 23 | Alethae CHAPPELL | 10 | Holt Park 8 | 1:16.71 |
| 2 | 25 | Pippa GRAHAM | 10 | JCCS 8 | 1:15.00 |
| 3 | 27 | Arwen BALL | 10 | Rothwell 8 | 1:12.95 |
| 4 | 29 | Lexie TIERNEY | 8 | Scott Hall 8 | 1:12.00 |
| 5 | 28 | Dahla GILROY | 10 | Scott Hall 8 | 1:12.04 |
| 6 | 26 | Amara MEHTA | 9 | Scott Hall 8 | 1:14.27 |
| 7 | 24 | Sophie BEATON | 8 | Rothwell 8 | 1:15.56 |
| 8 | 22 | Isabella WALKER | 10 | Morley 8 | 1:17.00 |
| 9 | 20 | Shammah CLAYTON | 12 | Pudsey 8 | 1:20.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 31 | Rutvi VIROLA | 12 | Holt Park 8 | 1:12.00 |
| 1 | 33 | Mara KLEIN | 12 | Holt Park 8 | 1:10.45 |
| 2 | 35 | Elisavet KARAKESIDOU | 10 | Holt Park 8 | 1:10.14 |
| 3 | 37 | Norah HANCOCK | 11 | Morley 8 | 1:09.64 |
| 4 | 39 | Adelisa PUPPALA NAYUDU | 12 | Holt Park 8 | 1:07.72 |
| 5 | 38 | Ava GRAVILLE | 9 | Scott Hall 8 | 1:09.15 |
| 6 | 36 | Lilly PHIPPS | 12 | Pudsey 8 | 1:10.00 |
| 7 | 34 | Georgina FLINT | 9 | Scott Hall 8 | 1:10.42 |
| 8 | 32 | Rose FEARNHEAD | 9 | Morley 8 | 1:12.00 |
| 9 | 30 | Vy NGUYEN | 10 | Smeaton 8 | 1:12.00 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 41 | Elhana MERON | 11 | Fearnville 8 | 1:06.41 |
| 1 | 43 | Ariana FELEA | 11 | Morley 8 | 1:05.10 |
| 2 | 45 | Phillipa CARTER | 11 | Pudsey 8 | 1:05.00 |
| 3 | 47 | Daria AKSONOVA | 10 | JCCS 8 | 1:04.54 |
| 4 | 49 | Juliette VITTIS | 10 | Rothwell 8 | 1:03.00 |
| 5 | 48 | Paige WOODALL | 10 | Morley 8 | 1:04.54 |
| 6 | 46 | Elory YOHANNES | 9 | Fearnville 8 | 1:04.62 |
| 7 | 44 | Clara FOXLEY | 10 | Holt Park 8 | 1:05.00 |
| 8 | 42 | Lana AL-SHIMMARY | 9 | Scott Hall 8 | 1:06.11 |
| 9 | 40 | Ezrae COCKERILL | 11 | Scott Hall 8 | 1:07.26 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 51 | Phoebe BINDLOSS | 9 | Scott Hall 8 | 1:03.00 |
| 1 | 53 | Jasmine CULLEN | 12 | Kirkstall 8 | 1:00.65 |
| 2 | 55 | Grace DEARDEN | 11 | Scott Hall 8 | 1:00.00 |
| 3 | 57 | Mabel BARKER | 11 | Holt Park 8 | 59.61 |
| 4 | 59 | Ellie HIRST | 10 | Fearnville 8 | 58.78 |
| 5 | 58 | Eva GREEN | 9 | Fearnville 8 | 59.40 |
| 6 | 56 | Claire CARROLL | 11 | Aire 8 | 59.96 |
| 7 | 54 | Thea RAI | 9 | Scott Hall 8 | 1:00.00 |
| 8 | 52 | Emilia DAVIES | 9 | Scott Hall 8 | 1:02.33 |
| 9 | 50 | Matilda LONEY | 10 | Morley 8 | 1:03.00 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 61 | Rosie LANCASHIRE | 11 | Aire 8 | 57.76 |
| 1 | 63 | Lyra HAMBLETON-FIELD | 11 | Rothwell 8 | 57.25 |
| 2 | 65 | Claudia RACE | 11 | Scott Hall 8 | 54.00 |
| 3 | 67 | Helena WUDARCZYK | 12 | Rothwell 8 | 50.18 |
| 4 | 69 | Amber EVITTS | 12 | Fearnville 8 | 49.26 |
| 5 | 68 | Emma PITTAM | 12 | Rothwell 8 | 50.17 |
| 6 | 66 | Astrid GAMPER | 12 | Scott Hall 8 | 54.00 |
| 7 | 64 | Evie SMITH | 12 | Aire 8 | 55.46 |
| 8 | 62 | Thea PERROT | 11 | Aire 8 | 57.29 |
| 9 | 60 | Katrin BARTOSEVIC | 12 | Fearnville 8 | 58.74 |