EVENT 201 Womens Open 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 1 | Kayleigh Parker | 00 | Yeovil | 1:05.12 |
| 2 | 3 | Harriet Perfect | 00 | Poole | 1:04.97 |
| 3 | 5 | Erin Bryce | 99 | Co Newport | 1:04.91 |
| 4 | 7 | Tegan Drew | 00 | Plymouth Lea | 1:04.88 |
| 5 | 6 | Imogen McCalman | 00 | Plymouth Lea | 1:04.90 |
| 6 | 4 | Athena Clayson | 01 | Mt Kelly | 1:04.92 |
| 7 | 2 | Emilia Sansome | 01 | Wycombe Dist | 1:05.12 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 9 | Kathryn Henderson | 00 | Nova Cent'n | 1:04.81 |
| 2 | 11 | Katelyn Bergin | 01 | Stockport Mo | 1:04.75 |
| 3 | 13 | Kiani Campbell-Grady | 99 | Co Leeds | 1:04.64 |
| 4 | 15 | Alexandra Waller | 01 | Heart Of Mid | 1:04.51 |
| 5 | 14 | Hannah Jones | 99 | Stockport Mo | 1:04.53 |
| 6 | 12 | Isabel Jones | 00 | Millfield | 1:04.73 |
| 7 | 10 | Madeleine Dyer | 01 | Co Sheffield | 1:04.81 |
| 8 | 8 | Alicia Wilson | 00 | Guildford Ct | 1:04.83 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 17 | Rachel Wellings | 00 | Co Peterboro | 1:04.35 |
| 2 | 19 | Lily Boseley | 01 | Nova Cent'n | 1:04.10 |
| 3 | 21 | Danielle Baker | 98 | Mt Kelly | 1:03.94 |
| 4 | 23 | Chelsea Lawson | 96 | Edinburgh Un | 1:03.91 |
| 5 | 22 | Chloe Barclay | 97 | West Dunbart | 1:03.92 |
| 6 | 20 | Mollie Allen | 98 | Co Peterboro | 1:04.00 |
| 7 | 18 | Eleanor Mitchell | 00 | London Aquat | 1:04.13 |
| 8 | 16 | Ceara Barber | 02 | Hillingdon | 1:04.45 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 25 | Harriet West | 97 | Loughboro Un | 1:03.84 |
| 2 | 27 | Anna Newlands | 98 | Stockport Mo | 1:03.73 |
| 3 | 29 | Cassie Wild | 00 | Ellesmere Co | 1:03.61 |
| 4 | 31 | Emma Saunders | 94 | Co Manch Aq | 1:03.52 |
| 5 | 30 | Karen Reid | 98 | Sth Ayrshire | 1:03.55 |
| 6 | 28 | Shauntelle Austin | 97 | Bath Univ | 1:03.70 |
| 7 | 26 | Faye Nugent | 96 | Loughboro Un | 1:03.83 |
| 8 | 24 | Sophia Rittenhouse | 95 | William & Ma | 1:03.90 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 35 | Eleanor Baldwin | 99 | Co Derby | 1:03.15 |
| 2 | 41 | Chloe Golding | 98 | Ellesmere Co | 1:02.62 |
| 3 | 47 | Georgia Hohmann | 94 | NottmLeander | 1:01.52 |
| 4 | 53 | Elizabeth Simmonds | 91 | Bath Univ | 1:00.03 |
| 5 | 50 | Kathleen Dawson | 97 | Warrington W | 1:00.93 |
| 6 | 44 | Charlotte Evans | 97 | Loughboro Un | 1:02.10 |
| 7 | 38 | Tazmin Pugh | 00 | Ellesmere Co | 1:02.89 |
| 8 | 32 | Rebecca Sherwin | 00 | teamipswich | 1:03.40 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 36 | Bethany Newton | 99 | Street | 1:03.08 |
| 2 | 42 | Hannah Burvill | 97 | Woking | 1:02.41 |
| 3 | 48 | Brittany Horton | 98 | Co Birm'ham | 1:01.33 |
| 4 | 54 | Georgia Davies | 90 | Loughboro Un | 59.93 |
| 5 | 51 | Jessica Fullalove | 96 | Co Manch Aq | 1:00.31 |
| 6 | 45 | Anna Maine | 00 | Woking | 1:01.96 |
| 7 | 39 | Natasha Hofton | 95 | UniOfStirl | 1:02.82 |
| 8 | 33 | Isabella Hindley | 96 | Chelsea&West | 1:03.40 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 37 | Katie Latham | 97 | Thanet Swim | 1:02.92 |
| 2 | 43 | Jaeger Turner | 96 | Co Salford | 1:02.32 |
| 3 | 49 | Harriet Cooper | 97 | Co Derby | 1:00.95 |
| 4 | 55 | Lauren Quigley | 95 | Stockport Mo | 59.71 |
| 5 | 52 | Francesca Halsall | 90 | Loughboro Un | 1:00.29 |
| 6 | 46 | Kirsty Simpson | 96 | Co Aberdeen | 1:01.90 |
| 7 | 40 | Lucy Hope | 97 | Edinburgh Un | 1:02.78 |
| 8 | 34 | Ellinor Southward | 01 | Ellesmere Co | 1:03.32 |