EVENT 201 Womens Open 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 2 | 2 | Alice Gouldby | 01 | Millfield | 1:05.57 |
| 3 | 4 | Rachel Anderson | 02 | Millfield | 1:05.49 |
| 4 | 6 | Debbie Cocking | 01 | Rotherham Mo | 1:05.35 |
| 5 | 5 | Pia Murray | 02 | Ellesmere Co | 1:05.49 |
| 6 | 3 | Kathryn Henderson | 00 | Nova Cent'n | 1:05.51 |
| 7 | 1 | Aliyah-Mai Webb | 00 | Exeter City | 1:05.70 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 8 | Robyn Moon | 01 | Thanet Swim | 1:05.31 |
| 2 | 10 | Emma Harvey | 01 | Millfield | 1:05.11 |
| 3 | 12 | Caitlin Hubbard | 01 | Co Birm'ham | 1:05.05 |
| 4 | 14 | C Fletcher-Stables | 02 | Northampton | 1:04.99 |
| 5 | 13 | Imogen Meers | 02 | Bromley | 1:04.99 |
| 6 | 11 | Lucy Farmer | 00 | Co Milton K | 1:05.09 |
| 7 | 9 | Honey Osrin | 03 | Plymouth Lea | 1:05.22 |
| 8 | 7 | Brodie Judge | 01 | Ealing | 1:05.31 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 16 | Mia Slevin | 03 | Derventio | 1:04.91 |
| 2 | 18 | Eleanor Mitchell | 00 | London Aquat | 1:04.27 |
| 3 | 20 | Rebecca Sutton | 01 | Bridgend Cty | 1:04.16 |
| 4 | 22 | Sophie Hobbah | 01 | Co Leeds | 1:04.11 |
| 5 | 21 | Athena Clayson | 01 | Mt Kelly | 1:04.14 |
| 6 | 19 | Isabel Jones | 00 | Millfield | 1:04.16 |
| 7 | 17 | Alicia Wilson | 00 | Guildford Ct | 1:04.72 |
| 8 | 15 | Harriet Perfect | 00 | Millfield | 1:04.94 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 24 | Madeleine Dyer | 01 | Co Sheffield | 1:04.09 |
| 2 | 26 | Daisy Platts | 00 | Co Leicester | 1:03.97 |
| 3 | 28 | Courteney Price | 98 | Nova Cent'n | 1:03.74 |
| 4 | 30 | Ellinor Southward | 01 | Ellesmere Co | 1:03.73 |
| 5 | 29 | Rachel Wellings | 00 | Co Peterboro | 1:03.73 |
| 6 | 27 | Emilia Sansome | 01 | Wycombe Dist | 1:03.91 |
| 7 | 25 | Medi Harris | 02 | Swim Gwynedd | 1:04.05 |
| 8 | 23 | Lauren Cox | 01 | Co Coventry | 1:04.09 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 32 | Katelyn Bergin | 01 | Stockport Mo | 1:03.66 |
| 2 | 34 | Karen Reid | 98 | Edinburgh Un | 1:03.47 |
| 3 | 36 | Rebecca Sherwin | 00 | teamipswich | 1:03.30 |
| 4 | 38 | Ceara Barber | 02 | Hillingdon | 1:03.18 |
| 5 | 37 | Tegan Drew | 00 | Plymouth Lea | 1:03.24 |
| 6 | 35 | Shauntelle Austin | 97 | Bath Univ | 1:03.47 |
| 7 | 33 | Caroline McIntosh | 99 | Aberdeen Per | 1:03.65 |
| 8 | 31 | Emily Crane | 98 | Loughboro Un | 1:03.70 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 42 | Anna Newlands | 98 | Edinburgh Un | 1:03.03 |
| 2 | 48 | Natasha Hofton | 95 | UniOfStirl | 1:02.29 |
| 3 | 54 | Kirsty Simpson | 96 | Aberdeen Per | 1:01.68 |
| 4 | 60 | Jessica Fullalove | 96 | Bath Univ | 1:00.29 |
| 5 | 57 | Lauren Quigley | 95 | Co Liverpool | 1:01.27 |
| 6 | 51 | Harriet Cooper | 97 | Loughboro Un | 1:01.88 |
| 7 | 45 | Alexandra Waller | 01 | Heart Of Mid | 1:02.60 |
| 8 | 39 | Amie Philpot | 02 | teamipswich | 1:03.17 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 43 | Eleanor Baldwin | 99 | Co Derby | 1:02.95 |
| 2 | 49 | Georgia-Mae Hohmann | 94 | Co Cardiff | 1:02.24 |
| 3 | 55 | Chloe Golding | 98 | Co Manch Aq | 1:01.54 |
| 4 | 61 | Georgia Davies | 90 | Loughboro Un | 59.85 |
| 5 | 58 | Elizabeth Simmonds | 91 | Edinburgh Un | 1:00.83 |
| 6 | 52 | Charlotte Evans | 97 | Loughboro Un | 1:01.88 |
| 7 | 46 | Kathryn Greenslade | 98 | Edinburgh Un | 1:02.38 |
| 8 | 40 | Martha Duley | 99 | Colchester | 1:03.15 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 44 | Harriet West | 97 | Loughboro Un | 1:02.91 |
| 2 | 50 | Tazmin Pugh | 00 | Ellesmere Co | 1:02.07 |
| 3 | 56 | Anna Maine | 00 | Woking | 1:01.28 |
| 4 | 62 | Kathleen Dawson | 97 | UniOfStirl | 59.68 |
| 5 | 59 | Ekaterina Avramova | 91 | Ealing | 1:00.52 |
| 6 | 53 | Cassie Wild | 00 | Ellesmere Co | 1:01.71 |
| 7 | 47 | Lily Boseley | 01 | Co Sheffield | 1:02.35 |
| 8 | 41 | Mollie Allen | 98 | Co Peterboro | 1:03.12 |