EVENT 505 Womens Open 50m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 3 | 1 | Pia Murray | 02 | Ellesmere Co | 30.74 |
| 4 | 3 | Lucy Hardey | 02 | Co Liverpool | 30.72 |
| 5 | 2 | Maisie Easter | 02 | UEA Norwich | 30.74 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 4 | Kathryn Henderson | 00 | Nova Cent'n | 30.72 |
| 2 | 6 | Daisy Platts | 00 | Co Leicester | 30.66 |
| 3 | 8 | Pavan Marwaha | 00 | Bo Of Harrow | 30.58 |
| 4 | 10 | Medi Harris | 02 | Swim Gwynedd | 30.42 |
| 5 | 9 | Sophie Johnson | 00 | Teddington | 30.46 |
| 6 | 7 | Alice Gouldby | 01 | Millfield | 30.61 |
| 7 | 5 | C Fletcher-Stables | 02 | Northampton | 30.67 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 12 | Katie Laybourn | 01 | Hartlepool | 30.33 |
| 2 | 14 | Eleanor Mitchell | 00 | London Aquat | 30.22 |
| 3 | 16 | Jane Brown | 00 | Newcastle | 30.15 |
| 4 | 18 | Meghan Maybanks | 00 | DunmowAtlant | 30.04 |
| 5 | 17 | Imogen Meers | 02 | Bromley | 30.13 |
| 6 | 15 | Athena Clayson | 01 | Mt Kelly | 30.19 |
| 7 | 13 | Ellinor Southward | 01 | Ellesmere Co | 30.33 |
| 8 | 11 | Lucy Farmer | 00 | Co Milton K | 30.42 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 20 | Martha Duley | 99 | Colchester | 29.96 |
| 2 | 22 | Katelyn Bergin | 01 | Stockport Mo | 29.90 |
| 3 | 24 | Charlotte Evans | 97 | Loughboro Un | 29.86 |
| 4 | 26 | Courteney Price | 98 | Nova Cent'n | 29.79 |
| 5 | 25 | Ceara Barber | 02 | Hillingdon | 29.84 |
| 6 | 23 | Rachel Wellings | 00 | Co Peterboro | 29.87 |
| 7 | 21 | Amie Philpot | 02 | teamipswich | 29.92 |
| 8 | 19 | Gulsum Onal | 98 | West Lothian | 29.98 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 30 | Rebecca Sherwin | 00 | teamipswich | 29.72 |
| 2 | 36 | Raquel Matos | 96 | Edinburgh Un | 29.46 |
| 3 | 42 | Harriet West | 97 | Loughboro Un | 29.08 |
| 4 | 48 | Lucy Hope | 97 | Edinburgh Un | 28.47 |
| 5 | 45 | Kirsty Simpson | 96 | Aberdeen Per | 28.88 |
| 6 | 39 | Chloe Golding | 98 | Co Manch Aq | 29.31 |
| 7 | 33 | Debbie Cocking | 01 | Rotherham Mo | 29.54 |
| 8 | 27 | Lauren Cox | 01 | Co Coventry | 29.77 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 31 | Harriet Cooper | 97 | Loughboro Un | 29.60 |
| 2 | 37 | Alexandra Waller | 01 | Heart Of Mid | 29.45 |
| 3 | 43 | Cassie Wild | 00 | Ellesmere Co | 28.97 |
| 4 | 49 | Kathleen Dawson | 97 | UniOfStirl | 28.12 |
| 5 | 46 | Anna Maine | 00 | Woking | 28.56 |
| 6 | 40 | Lauren Quigley | 95 | Co Liverpool | 29.30 |
| 7 | 34 | Freya Rayner | 98 | Co Sund'land | 29.48 |
| 8 | 28 | Emma Harvey | 01 | Millfield | 29.77 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 32 | Lily Boseley | 01 | Co Sheffield | 29.57 |
| 2 | 38 | Caroline McIntosh | 99 | Aberdeen Per | 29.33 |
| 3 | 44 | Mollie Allen | 98 | Co Peterboro | 28.93 |
| 4 | 50 | Georgia Davies | 90 | Loughboro Un | 27.84 |
| 5 | 47 | Ekaterina Avramova | 91 | Ealing | 28.49 |
| 6 | 41 | Emily Crane | 98 | Loughboro Un | 29.30 |
| 7 | 35 | Karen Reid | 98 | Edinburgh Un | 29.47 |
| 8 | 29 | Tegan Drew | 00 | Plymouth Lea | 29.76 |