EVENT 304 Women's 50m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 3 | 1 | Jessica Harmer | 07 | Guildford Ct | 27.10 |
| 4 | 3 | Emma Hagberg | 08 | Reed's SC | 27.08 |
| 5 | 2 | Eloise Cole | 08 | Bedford SS | 27.08 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 5 | Annie Sanders | 07 | Bromley | 27.05 |
| 2 | 7 | Ellie Freeze | 08 | Sutton Cheam | 27.04 |
| 3 | 9 | Grace Greenhalf | 07 | Co Norwich | 27.03 |
| 4 | 11 | Mollie Garratt | 04 | Co Manch Aq | 27.02 |
| 5 | 10 | Izabella Okaro | 06 | Repton | 27.03 |
| 6 | 8 | Carys Croke | 07 | Torfaen D | 27.04 |
| 7 | 6 | Annaliese Beynon | 00 | Co Cardiff | 27.05 |
| 8 | 4 | Mia Colyer | 05 | Black Lion | 27.08 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 13 | Mariia Mishchenko | 06 | UoAPS | 27.00 |
| 1 | 15 | Halle Harris | 07 | Poole | 26.99 |
| 2 | 17 | Imogen Meers | 02 | Bromley | 26.98 |
| 3 | 19 | Ellie Walker | 01 | Tadcaster | 26.95 |
| 4 | 21 | Hannah Murphy | 07 | RTW Monson | 26.94 |
| 5 | 20 | Catherine Eland | 04 | Poole | 26.95 |
| 6 | 18 | Emma Wood | 08 | Co Leeds | 26.96 |
| 7 | 16 | Sophie Benn | 07 | Mt Kelly | 26.98 |
| 8 | 14 | Ella Thornburg | 06 | Crawley | 27.00 |
| 9 | 12 | Sophie Davies | 07 | Millfield | 27.01 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 23 | Connie Palmer | 07 | Repton | 26.90 |
| 1 | 25 | Zoe Cawsey | 99 | Solent C P S | 26.87 |
| 2 | 27 | Lili Mundell | 10 | Heart Of Mid | 26.86 |
| 3 | 29 | Alexandra Bulat | 06 | Co Lincoln P | 26.85 |
| 4 | 31 | Natalie Marshall | 06 | West Lothian | 26.82 |
| 5 | 30 | Anna Tyers | 08 | Derby Excel | 26.82 |
| 6 | 28 | Jessica Humm | 06 | Rushmoor Ryl | 26.86 |
| 7 | 26 | Kasia Titterton | 06 | Bromley | 26.86 |
| 8 | 24 | Rebecca Simpson | 03 | Ealing | 26.87 |
| 9 | 22 | Bethany Walker | 00 | Co Sheffield | 26.92 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 33 | Jessica Telford | 99 | Cheltenham | 26.70 |
| 1 | 35 | Nicole De Pree | 06 | Millfield | 26.68 |
| 2 | 37 | Sholah Robinson | 06 | Co Sheffield | 26.65 |
| 3 | 39 | Emily Grant | 97 | Edinburgh Un | 26.62 |
| 4 | 41 | Hollie Wilson | 08 | Co Leeds | 26.57 |
| 5 | 40 | Emma Croker | 05 | Lboro Uni | 26.58 |
| 6 | 38 | Bethan Cooke | 07 | Co Birm'ham | 26.64 |
| 7 | 36 | Hannah Woodcock | 04 | Swansea Uni | 26.66 |
| 8 | 34 | Sienna Franklyn-Miller | 07 | Millfield | 26.68 |
| 9 | 32 | Meghan Higgs | 08 | Millfield | 26.74 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 45 | Evie Floate | 05 | Shrewsbury | 26.47 |
| 1 | 51 | Hannah Capron | 09 | Repton | 26.35 |
| 2 | 57 | Darcy Revitt | 05 | Guildford Ct | 25.99 |
| 3 | 63 | Erin Little | 05 | Mt Kelly | 25.73 |
| 4 | 69 | Eva Okaro | 06 | Repton | 25.36 |
| 5 | 66 | Harriet Rogers | 04 | Lboro Uni | 25.56 |
| 6 | 60 | Laurie Devine | 06 | Repton | 25.86 |
| 7 | 54 | Hollie Widdows | 06 | Mt Kelly | 26.22 |
| 8 | 48 | May Bradburn | 04 | Basildon Ph | 26.44 |
| 9 | 42 | Louise Jones | 05 | Royal Wolv | 26.51 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 46 | Anna Morgan | 03 | Edinburgh Un | 26.47 |
| 1 | 52 | Yasmine Hamerlaine | 03 | Edinburgh Un | 26.34 |
| 2 | 58 | Katie Goodburn | 03 | Edinburgh Un | 25.98 |
| 3 | 64 | Harriet Jones | 97 | Co Cardiff | 25.60 |
| 4 | 70 | Skye Carter | 07 | Basildon Ph | 25.15 |
| 5 | 67 | Theodora Taylor | 09 | Torfaen D | 25.54 |
| 6 | 61 | Clementine Lovel | 03 | Lboro Uni | 25.85 |
| 7 | 55 | Annabel Smith | 03 | Bath Univ | 26.21 |
| 8 | 49 | Arianna Stokes | 06 | N & D PP SC | 26.39 |
| 9 | 43 | Maisie Gilford | 03 | Bath Univ | 26.49 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 47 | Jana Spinner | 99 | Bath Univ | 26.44 |
| 1 | 53 | Annabelle Compton | 08 | Wycombe Dist | 26.27 |
| 2 | 59 | Sophie De Groot | 04 | Lboro Uni | 25.87 |
| 3 | 65 | Evelyn Davis | 04 | UniOfStirl | 25.59 |
| 4 | 71 | Anna Hopkin | 96 | L'borogh PC | 24.51 |
| 5 | 68 | Isabella Hindley | 96 | L'borogh PC | 25.47 |
| 6 | 62 | Kate Clifton | 00 | Co Sheffield | 25.85 |
| 7 | 56 | Rebecca Sutton | 01 | Swansea Uni | 26.02 |
| 8 | 50 | Libby Broder | 06 | Co Cardiff | 26.37 |
| 9 | 44 | Josephine Klein | 05 | UniOfStirl | 26.47 |