EVENT 705 Womens Open 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 2 | Tara Haworth | 99 | Lincoln Vulc | 1:07.45 |
| 1 | 4 | Rebecca Dalling | 99 | Swim Swansea | 1:06.94 |
| 2 | 6 | Amelia Clynes | 99 | Co Leeds | 1:04.66 |
| 3 | 8 | Emily Graham | 99 | Plymouth Lea | 1:08.27 |
| 4 | 10 | Kirsty Armstrong | 99 | B.E.S.T. | 1:05.21 |
| 5 | 9 | Evan King | 99 | Weston S M | 1:07.65 |
| 6 | 7 | Kayleigh Parker | 00 | TauntonDeane | 1:06.38 |
| 7 | 5 | Paige Powell | 99 | Ealing | 1:07.94 |
| 8 | 3 | Eve White | 99 | Dumfries | 1:06.84 |
| 9 | 1 | Abbie Parton | 99 | Wirral Metro | 1:06.67 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 12 | Olivia Askew | 97 | Co Salford | 1:06.35 |
| 1 | 14 | Anna Newlands | 98 | Cockermouth | DN:C . |
| 2 | 16 | Rebecca Mottershaw | 97 | Co Leeds | DQ: . |
| 3 | 18 | Isobel Grant | 98 | Co Sheffield | 1:04.48 |
| 4 | 20 | Laura Stephens | 99 | Colchester | 1:03.24 |
| 5 | 19 | Shauntelle Austin | 97 | Blackpool Aq | 1:04.09 |
| 6 | 17 | Georgina Pryor | 98 | Hoddesdon | 1:03.86 |
| 7 | 15 | Hannah Jones | 97 | Derventio | 1:06.11 |
| 8 | 13 | Emma Cassell | 98 | Middlesboro | 1:06.15 |
| 9 | 11 | Lucy Thornton | 99 | Ealing | 1:05.20 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 24 | Elise Bouwens | 91 | NED | 1:02.93 |
| 1 | 30 | Ellen Thomas | 94 | Guildford Ct | 1:02.84 |
| 2 | 36 | Wendy Van Der Zanden | 88 | NED | 1:02.67 |
| 3 | 42 | Libby Mitchell | 93 | Swansea Uni | 1:01.17 |
| 4 | 48 | Rachael Kelly | 94 | Loughboro Un | 1:00.49 |
| 5 | 45 | Siobhan-Marie O'Connor | 95 | Bath Univ | 1:00.40 |
| 6 | 39 | Fiona Donnelly | 95 | Nova Cent'n | 1:01.99 |
| 7 | 33 | Raquel Matos | 96 | East Lothian | 1:02.15 |
| 8 | 27 | Sophie Brown | 95 | Gloucester | 1:05.04 |
| 9 | 21 | Elisha McCrory | 97 | Derwentside | 1:06.83 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 25 | Tamara Van Vliet | 94 | NED | 1:16.62 |
| 1 | 31 | Sian Harkin | 94 | Plymouth Lea | 1:03.50 |
| 2 | 37 | Grace Vertigans | 96 | Plymouth Lea | 1:02.94 |
| 3 | 43 | Emma Wilkins | 91 | Loughboro Un | 1:00.84 |
| 4 | 49 | Ranomi Kromowidjojo | 90 | NED | 59.99 |
| 5 | 46 | Alys Thomas | 90 | Swansea Uni | 1:00.58 |
| 6 | 40 | Sophie Smith | 94 | Loughboro Un | 1:00.50 |
| 7 | 34 | Emma Day | 97 | Guildford Ct | 1:02.85 |
| 8 | 28 | Alexandra Harrison | 94 | Swansea Uni | 1:04.37 |
| 9 | 22 | Brearnna Close | 97 | Co Manch Aq | 1:03.41 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 26 | Lily Glover | 96 | Windsor | 1:03.97 |
| 1 | 32 | Charlotte McKenzie | 96 | F.I.R.S.T. | 1:04.33 |
| 2 | 38 | Georgia Barton | 95 | Co Manch Aq | 1:01.25 |
| 3 | 44 | Tilly Gray | 91 | Loughboro Un | 1:00.51 |
| 4 | 50 | Jeanette Ottesen Gray | 87 | DEN | 59.08 |
| 5 | 47 | Sophie Allen | 92 | Stockport Mo | 1:01.80 |
| 6 | 41 | Elena Sheridan | 95 | Romford Town | 1:02.09 |
| 7 | 35 | Katherine Ambridge | 90 | Windsor | 1:01.12 |
| 8 | 29 | Phoebe Lenderyou | 95 | Plymouth Lea | 1:02.10 |
| 9 | 23 | Harriet West | 97 | Co Leicester | 1:04.43 |