EVENT 605 Female 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 2 | Martyna KOSCIUSZKO | 11 | Ealing | |
| 4 | 6 | Diana TRAVINOVA | 10 | Wycombe Dist | |
| 5 | 5 | Monika BOSAS | 11 | Team Luton | |
| 6 | 1 | Shayaan MAYANJA | 11 | Team Luton | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 8 | Lottie BASSINGTON | 12 | Bletchley | |
| 2 | 13 | Mali SILVESTER | 10 | TigersJersey | 56.42 |
| 3 | 15 | Matilda CONWAY | 10 | Wycombe Dist | 53.28 |
| 4 | 19 | Martha STANLEY | 10 | Wycombe Dist | 47.70 |
| 5 | 18 | Olivia SAMUEL | 11 | Wycombe Dist | 47.89 |
| 6 | 14 | Hana AL-HADITHY | 11 | Wycombe Dist | 53.99 |
| 7 | 12 | Audrey BUNTING | 14 | Saffron Wald | 1:00.30 |
| 8 | 7 | Hollie CROSS | 12 | Bletchley | |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 21 | Ella THOMAS | 12 | Linslade | 47.26 |
| 2 | 26 | Martha CONWAY | 10 | Wycombe Dist | 46.09 |
| 3 | 28 | Matylda MALECKA | 10 | Wycombe Dist | 45.20 |
| 4 | 30 | Tia NICHOLLS | 10 | Dunstable | 45.16 |
| 5 | 29 | Emily EMMS | 12 | Biggleswade | 45.19 |
| 6 | 27 | Lara REDDINGTON | 11 | Harpenden | 45.82 |
| 7 | 22 | Emilia LITTLECHILD | 13 | Berkhamsted | 47.05 |
| 8 | 20 | Emma WOOD | 11 | Team Luton | 47.29 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 32 | Eloisa SMET | 15 | Wycombe Dist | 42.50 |
| 2 | 34 | Millie PAGE | 12 | Saffron Wald | 41.90 |
| 3 | 38 | Emily BROWN | 14 | Biggleswade | 40.70 |
| 4 | 40 | Hannah MILLS | 14 | Wycombe Dist | 40.43 |
| 5 | 39 | Isabelle SUNDERS | 10 | Ealing | 40.50 |
| 6 | 35 | Ffion FORDYCE | 11 | Berkhamsted | 41.49 |
| 7 | 33 | Olivia FOUFA | 11 | Wycombe Dist | 42.30 |
| 8 | 31 | Sophie MAROS-DANKA | 11 | Co Milton K | 43.61 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 42 | Amy CLARKE | 13 | TigersJersey | 40.32 |
| 2 | 44 | Priya MARTYN | 12 | Ealing | 40.03 |
| 3 | 46 | Adeyeni KOSOKO | 10 | Wycombe Dist | 39.80 |
| 4 | 48 | Nela SZYMANSKA | 10 | Ealing | 39.20 |
| 5 | 47 | Sienna TIRODKAR | 11 | Ealing | 39.32 |
| 6 | 45 | Kylie VOSLOO | 12 | Wycombe Dist | 39.93 |
| 7 | 43 | Yuzuki SAID | 10 | Ealing | 40.20 |
| 8 | 41 | Orlaith LIVINGSTON | 11 | Wycombe Dist | 40.40 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 50 | Isabella GEARY | 14 | Dunstable | 38.24 |
| 2 | 52 | Rahil ABWOOLI | 12 | TigersJersey | 37.49 |
| 3 | 54 | Sophie GARLAND | 13 | Harpenden | 37.00 |
| 4 | 89 | Leonie TALARCZWK-BROWN | 11 | Wycombe Dist | 36.52 |
| 5 | 55 | Connie WESTON-KLEIN | 13 | Co Milton K | 36.99 |
| 6 | 53 | Zoe Arianna NYKER | 12 | Ealing | 37.30 |
| 7 | 51 | Annabelle SINKER | 12 | Ealing | 37.80 |
| 8 | 49 | Millie HAGLAND | 12 | Biggleswade | 38.69 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 58 | Alice MAGUIRE | 12 | Saffron Wald | 36.30 |
| 2 | 63 | Ella KOLOBIUS | 13 | Team Luton | 35.40 |
| 3 | 65 | Annabel HEWITT | 12 | Wycombe Dist | 35.30 |
| 4 | 67 | Inaaya SAMPONG | 13 | Team Luton | 35.10 |
| 5 | 66 | Caitlin PETERS | 17 | Harpenden | 35.16 |
| 6 | 64 | Coco WRIGHT | 13 | Ealing | 35.40 |
| 7 | 60 | Florence HAMILTON | 14 | Harpenden | 36.21 |
| 8 | 57 | Gwenan POWELL COTTER | 11 | Ealing | 36.40 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 70 | Nikita JAIN | 12 | Co Milton K | 34.89 |
| 2 | 73 | Arabella BEEVERS | 14 | Bo Southend | 34.35 |
| 3 | 75 | Lexi WARWICK | 12 | Wycombe Dist | 33.73 |
| 4 | 77 | Tiffany ROBINSON | 12 | TigersJersey | 33.40 |
| 5 | 76 | Morrigan COOPER | 13 | Bo Southend | 33.40 |
| 6 | 74 | Nicole CALIN | 12 | Ealing | 33.80 |
| 7 | 72 | Lilac BOOTH | 14 | Ealing | 34.41 |
| 8 | 69 | Sophie BARRY | 14 | Bo Southend | 34.90 |
| Heat Number - 9 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 79 | Libby FOWLER | 17 | Dunstable | 32.64 |
| 2 | 83 | Emma LOUD | 14 | Ealing | 30.79 |
| 3 | 86 | Emily JOYCE | 13 | Biggleswade | 30.20 |
| 4 | 88 | Freya MAY | 15 | Leiston | 29.90 |
| 5 | 87 | Florence WHITTAKER | 15 | Biggleswade | 30.20 |
| 6 | 85 | Violet RHODES | 13 | Team Luton | 30.55 |
| 7 | 82 | Anna REGAN | 14 | Bo Southend | 31.09 |
| 8 | 78 | Darcy DEAR | 15 | Dunstable | 33.20 |