EVENT 604 Womens Open 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 2 | Jemima Grigg | 02 | Newquay | 1:06.46 |
| 2 | 4 | Abby Jones | 02 | Southport | 1:06.16 |
| 3 | 6 | Emily Ford | 02 | Co Oxford | 1:05.99 |
| 4 | 8 | Eleanor Cowan | 02 | Wycombe Dist | 1:05.89 |
| 5 | 7 | Megan Pye | 02 | UEA Norwich | 1:05.92 |
| 6 | 5 | Charlotte Wynne-Jones | 03 | Bicester | 1:06.14 |
| 7 | 3 | Anna Smail | 02 | Ellesmere Co | 1:06.19 |
| 8 | 1 | Rachel Anderson | 02 | Millfield | 1:06.52 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 10 | Maisie Macartney | 01 | Thanet Swim | 1:05.74 |
| 1 | 12 | Ellinor Southward | 01 | Ellesmere Co | 1:05.72 |
| 2 | 14 | Maisie Elliott | 03 | Co Leicester | 1:05.63 |
| 3 | 16 | Alesha Kelly | 02 | Brompton | 1:05.59 |
| 4 | 18 | Alaina Ward | 01 | Havant & Wat | 1:05.57 |
| 5 | 17 | Debbie Cocking | 01 | Rotherham Mo | 1:05.58 |
| 6 | 15 | Laura Brookes | 01 | Donc Dartes | 1:05.61 |
| 7 | 13 | Katie Laybourn | 01 | Hartlepool | 1:05.71 |
| 8 | 11 | Emily Haimes | 01 | Enfield Sq | 1:05.74 |
| 9 | 9 | Rosie Morgan | 03 | Co Aberdeen | 1:05.84 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 20 | Christa Wilson | 03 | Bo Stockton | 1:05.50 |
| 1 | 22 | Leah Crisp | 01 | Co Leeds | 1:05.40 |
| 2 | 24 | Ekaterina Price | 01 | Darlington | 1:05.30 |
| 3 | 26 | Holly White | 02 | Co Liverpool | 1:05.22 |
| 4 | 28 | Eve Goddard-Smith | 01 | Swim Gwynedd | 1:05.15 |
| 5 | 27 | Brodie Judge | 01 | Ealing | 1:05.17 |
| 6 | 25 | Megan Sheard | 01 | Stockport Mo | 1:05.28 |
| 7 | 23 | Sophie Yendell | 02 | Co Derby | 1:05.32 |
| 8 | 21 | Tia Ward | 03 | Co Leeds | 1:05.40 |
| 9 | 19 | Charlotte Robinson | 03 | Co Leeds | 1:05.52 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 30 | Katy Smith | 00 | Warrender Ba | 1:05.02 |
| 1 | 32 | Kirstin Lawrie | 01 | F.I.R.S.T. | 1:04.97 |
| 2 | 34 | Samantha Flack | 00 | Portsmouth N | 1:04.90 |
| 3 | 36 | Ella Johnson | 00 | Southport | 1:04.82 |
| 4 | 38 | Tori Sopp | 00 | Wirral Metro | 1:04.67 |
| 5 | 37 | Jasmine McCrea | 01 | Poole | 1:04.80 |
| 6 | 35 | Thalia Poaros | 01 | Mt Kelly | 1:04.82 |
| 7 | 33 | Imogen Meers | 02 | Bromley | 1:04.95 |
| 8 | 31 | Sophie Stables | 00 | Co Coventry | 1:04.99 |
| 9 | 29 | Emily Keays | 00 | Co Salford | 1:05.13 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 40 | Shannon Stott | 00 | Co St Albans | 1:04.63 |
| 1 | 42 | Jessica Damen | 00 | Warrender Ba | 1:04.51 |
| 2 | 44 | Nikki Miller | 00 | SLanarkshire | 1:04.38 |
| 3 | 46 | Kaylee Dekker | 02 | Mt Kelly | 1:04.23 |
| 4 | 48 | Alicia Wilson | 00 | Guildford Ct | 1:04.05 |
| 5 | 47 | Bailie Harrison | 00 | Deepings | 1:04.12 |
| 6 | 45 | Martyna Ruszkowska | 01 | Swim Gwynedd | 1:04.34 |
| 7 | 43 | Tegan Drew | 00 | Plymouth Lea | 1:04.47 |
| 8 | 41 | Katelyn Bergin | 01 | Stockport Mo | 1:04.55 |
| 9 | 39 | Megan Allison | 02 | Co Newport | 1:04.65 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 50 | Abby Jackson | 01 | Crawley | 1:03.94 |
| 1 | 52 | Emma Rowson | 00 | Stockport Mo | 1:03.81 |
| 2 | 54 | India Burch | 00 | Co Cardiff | 1:03.66 |
| 3 | 56 | Kayleigh Parker | 00 | Yeovil | 1:03.60 |
| 4 | 58 | Anna Pang | 99 | Guildford Ct | 1:03.56 |
| 5 | 57 | Anna Fleming | 00 | Co Glasgow | 1:03.60 |
| 6 | 55 | Daisy Anderson | 01 | Thanet Swim | 1:03.66 |
| 7 | 53 | Rebecca Pearson | 02 | Stockport Mo | 1:03.75 |
| 8 | 51 | Isabel Spinley | 00 | Deepings | 1:03.92 |
| 9 | 49 | Amie Philpot | 02 | teamipswich | 1:04.05 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 60 | Amrita Robertson | 98 | Bo Waltham F | 1:03.46 |
| 1 | 62 | Emma Harvey | 01 | Millfield | 1:03.34 |
| 2 | 64 | Charlotte Taylor | 97 | Satellite | 1:03.28 |
| 3 | 66 | Georgina Boyle | 98 | Chelsea&West | 1:03.08 |
| 4 | 68 | Megan Morrison | 98 | Loughboro Un | 1:03.02 |
| 5 | 67 | Pia Murray | 02 | Ellesmere Co | 1:03.07 |
| 6 | 65 | Amy Bell | 00 | Co Sheffield | 1:03.24 |
| 7 | 63 | Spencer Williams | 00 | Brompton | 1:03.31 |
| 8 | 61 | Ciara Standing | 99 | Stockport Mo | 1:03.41 |
| 9 | 59 | Elizabeth Harris | 00 | Stockport Mo | 1:03.49 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 72 | Katie Rennolds | 98 | Burnley BOBC | 1:02.78 |
| 1 | 78 | Stephanie Blakeburn | 94 | Billingham | 1:02.27 |
| 2 | 84 | Candice Hall | 97 | Co Leicester | 1:01.68 |
| 3 | 90 | Harriet West | 97 | Loughboro Un | 1:01.03 |
| 4 | 96 | Emily Large | 01 | Newcastle | 1:00.16 |
| 5 | 93 | Tain Bruce | 98 | Edinburgh Un | 1:00.66 |
| 6 | 87 | Emma Smithurst | 91 | Co Manch Aq | 1:01.29 |
| 7 | 81 | Emma Day | 97 | Loughboro Un | 1:02.11 |
| 8 | 75 | Lauren Hodgson | 99 | Newcastle | 1:02.71 |
| 9 | 69 | Anna Newlands | 98 | Stockport Mo | 1:03.00 |
| Heat Number - 9 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 73 | Tara Haworth | 99 | Lincoln Vulc | 1:02.77 |
| 1 | 79 | Constance Dean | 98 | Maidenhead | 1:02.24 |
| 2 | 85 | Fiona Hardie | 94 | Poole | 1:01.65 |
| 3 | 91 | Kirsty Simpson | 96 | Co Aberdeen | 1:00.99 |
| 4 | 97 | Charlotte Atkinson | 96 | Loughboro Un | 1:00.11 |
| 5 | 94 | Tazmin Pugh | 00 | Ellesmere Co | 1:00.43 |
| 6 | 88 | Amelia Clynes | 99 | Co Leeds | 1:01.17 |
| 7 | 82 | Isobel Grant | 98 | Co Sheffield | 1:02.03 |
| 8 | 76 | Orla Dyer | 99 | Co Sheffield | 1:02.47 |
| 9 | 70 | Jane Brown | 00 | Newcastle | 1:02.96 |
| Heat Number - 10 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 74 | Niamh Robinson | 99 | Pioneer 79 | 1:02.74 |
| 1 | 80 | Keanna Macinnes | 01 | Heart Of Mid | 1:02.12 |
| 2 | 86 | Georgina Pryor | 98 | Harlow Pen | 1:01.62 |
| 3 | 92 | Raquel Matos | 96 | Edinburgh Un | 1:00.92 |
| 4 | 98 | Laura Stephens | 99 | Plymouth Lea | 58.84 |
| 5 | 95 | Harriet Jones | 97 | Co Cardiff | 1:00.18 |
| 6 | 89 | Ciara Schlosshan | 01 | Co Leeds | 1:01.13 |
| 7 | 83 | Evan King | 99 | Weston S M | 1:02.01 |
| 8 | 77 | Holly Hibbott | 99 | Stockport Mo | 1:02.42 |
| 9 | 71 | Caitlin Hubbard | 01 | Co Birm'ham | 1:02.80 |