EVENT 503 Womens Open 50m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 3 | 1 | Kayleigh HOLROYD | 16 | C Beds SS | 28.50 |
| 4 | 3 | Grace GREENHALF | 12 | Co Norwich | 28.50 |
| 5 | 2 | Charlotte GILL | 14 | Basildon Ph | 28.50 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 5 | Lauren NELSON | 18 | Harlow Pen | 28.50 |
| 3 | 7 | Lauren THOMAS | 17 | Biggleswade | 28.40 |
| 4 | 9 | Isabella CHAPMAN | 15 | Harpenden | 28.40 |
| 5 | 8 | Maddie LEES | 15 | DunmowAtlant | 28.40 |
| 6 | 6 | Iona TRAINER | 16 | Co Peterboro | 28.46 |
| 7 | 4 | Bronte O'DEA | 16 | Runnymede | 28.50 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 11 | Georgina KNATCHBULL | 15 | C Beds SS | 28.40 |
| 2 | 13 | Olivia NEWMAN-BARONIUS | 13 | Putteridge | 28.39 |
| 3 | 15 | Billie GRANT | 17 | Hatfield | 28.33 |
| 4 | 17 | Emma SHOOBERT | 17 | C Beds SS | 28.30 |
| 5 | 16 | Chloe SKELT | 14 | West Suffolk | 28.30 |
| 6 | 14 | Mia FURSEDONNE | 17 | Basildon Ph | 28.37 |
| 7 | 12 | Lauren SHARP | 16 | Chelmsford | 28.40 |
| 8 | 10 | Chloe BUTLER | 15 | St Ives | 28.40 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 19 | Rebecca GIROLAMI | 16 | Colchester | 28.30 |
| 2 | 21 | Gemma HANSON | 16 | Hatfield | 28.30 |
| 3 | 23 | Gracie KAY | 16 | Co Cambridge | 28.28 |
| 4 | 25 | Morgan ALLAN | 16 | Modernian | 28.20 |
| 5 | 24 | Harriet SALISBURY | 15 | Co Peterboro | 28.21 |
| 6 | 22 | Agnes BURNS | 18 | Harpenden | 28.30 |
| 7 | 20 | Ella MURPHY | 17 | Harpenden | 28.30 |
| 8 | 18 | Francesca PECCEI | 16 | Watford SC | 28.30 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 27 | Cathryn THOMSON | 29 | St Ives | 28.20 |
| 2 | 29 | Mia YATES | 16 | Felixstowe | 28.18 |
| 3 | 31 | Rosalind SAISE | 12 | teamipswich | 28.10 |
| 4 | 33 | Georgina MUNDAY | 15 | Modernian | 28.10 |
| 5 | 32 | Rebecca STROUD | 17 | Brentwood | 28.10 |
| 6 | 30 | Lauren STOTT | 17 | Hatfield | 28.17 |
| 7 | 28 | Bryony EDGINGS | 14 | Thurrock | 28.20 |
| 8 | 26 | Macy DEXTER | 13 | Co Cambridge | 28.20 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 35 | Katie ANDREWS | 15 | Norwich Swan | 28.10 |
| 2 | 37 | Lily MACDONALD | 14 | Co Norwich | 28.10 |
| 3 | 39 | Hannah SHARP | 17 | Modernian | 28.05 |
| 4 | 41 | Daisy MOXHAM | 14 | Co Cambridge | 28.00 |
| 5 | 40 | Ciara TAYLOR | 14 | St Ives | 28.03 |
| 6 | 38 | Zoe MACDONALD | 16 | Bor of Brox | 28.10 |
| 7 | 36 | Francesca BABER | 13 | C Beds SS | 28.10 |
| 8 | 34 | Olivia LEE | 15 | Co Peterboro | 28.10 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 43 | Angharad EVANS | 16 | West Suffolk | 28.00 |
| 2 | 45 | Asma PARKER | 16 | Colchester | 27.90 |
| 3 | 47 | Kiara KOVACS | 15 | Co Peterboro | 27.90 |
| 4 | 49 | Sarah O'BRIEN | 23 | West Norfolk | 27.80 |
| 5 | 48 | Erin CROUCH | 15 | teamipswich | 27.87 |
| 6 | 46 | Lara-Grace MOUNT | 17 | West Norfolk | 27.90 |
| 7 | 44 | Lucy HUDSON | 15 | West Suffolk | 27.90 |
| 8 | 42 | Celeste ANDREW | 18 | Harlow Pen | 28.00 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 51 | Jessica SHAW | 14 | Co Peterboro | 27.70 |
| 2 | 53 | Tilly MAYES | 16 | Thurrock | 27.65 |
| 3 | 55 | Ruby GREENHALF | 14 | Co Norwich | 27.60 |
| 4 | 57 | Jessica KEOGH | 15 | Hatfield | 27.50 |
| 5 | 56 | Niamh JAMES | 18 | Bishop Stort | 27.60 |
| 6 | 54 | Emily LUSH | 17 | Potters Bar | 27.60 |
| 7 | 52 | Niamh ADCOCK | 18 | Co Norwich | 27.70 |
| 8 | 50 | Tia GARDINER | 17 | Chelmsford | 27.70 |
| Heat Number - 9 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 61 | Rebecca BURTON | 21 | Co Peterboro | 27.31 |
| 2 | 67 | Charlotte WALKER | 17 | St Felix Sch | 27.00 |
| 3 | 73 | Emma CRUICKSHANKS | 16 | teamipswich | 26.79 |
| 4 | 79 | Sacha THOMAS | 16 | Co Norwich | 26.00 |
| 5 | 76 | May BRADBURN | 15 | Chelmsford | 26.40 |
| 6 | 70 | Bianka MISIKOVA | 16 | Hatfield | 26.90 |
| 7 | 64 | Rikke NAGELL-KLEVEN | 24 | Co Norwich | 27.20 |
| 8 | 58 | Ella HALE | 16 | West Suffolk | 27.40 |
| Heat Number - 10 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 62 | Ellie HOLLISS | 15 | Co St Albans | 27.30 |
| 2 | 68 | Grace WALLER | 15 | Basildon Ph | 26.90 |
| 3 | 74 | Millie FIELDS | 15 | Bishop Stort | 26.60 |
| 4 | 80 | Jessica WOODWARD | 16 | Hatfield | 26.00 |
| 5 | 77 | Mia MASPERS | 17 | teamipswich | 26.30 |
| 6 | 71 | Georgina PRYOR | 21 | Harlow Pen | 26.84 |
| 7 | 65 | Annika BROWN | 16 | teamipswich | 27.15 |
| 8 | 59 | Sarah CARROLL | 17 | Bishop Stort | 27.40 |
| Heat Number - 11 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 63 | Eve WRIGHT | 16 | Co Peterboro | 27.30 |
| 2 | 69 | Clara WATSON-FLOWERS | 13 | St Felix Sch | 26.90 |
| 3 | 75 | Rianna SMITH | 21 | Basildon Ph | 26.50 |
| 4 | 81 | Rebecca WATT | 17 | DunmowAtlant | 25.60 |
| 5 | 78 | Isabel WAINWRIGHT | 16 | Modernian | 26.30 |
| 6 | 72 | Matilda BOGLE | 13 | teamipswich | 26.80 |
| 7 | 66 | Molly OLLINGTON | 21 | Co Cambridge | 27.07 |
| 8 | 60 | Karys-Rose BUNN | 13 | teamipswich | 27.40 |