EVENT 601 Womens Open 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 3 | 1 | Lily Davis | 99 | Atlantis | 1:13.76 |
| 4 | 3 | Laura Harrison | 99 | Ellesmere Co | 1:13.62 |
| 5 | 2 | Charlotte Holmes | 99 | Co Sheffield | 1:13.68 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 4 | Miranda Bower | 00 | Burnley BOBC | 1:13.23 |
| 2 | 6 | Amber Mason | 00 | Co Leeds | 1:12.91 |
| 3 | 8 | Rachel Taylor | 00 | Co Sund'land | 1:12.70 |
| 4 | 10 | Amy Bell | 00 | Co Sheffield | 1:11.95 |
| 5 | 9 | Cerys Coley | 99 | Co Newport | 1:12.12 |
| 6 | 7 | Emily Wood | 99 | Co Oxford | 1:12.74 |
| 7 | 5 | Chloe Edrich | 99 | Street | 1:13.11 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 12 | Constance Dean | 98 | Maidenhead | 1:11.65 |
| 2 | 14 | Annabel Guye-Johnson | 00 | RTW Monson | 1:11.41 |
| 3 | 16 | Danielle Tomlinson | 98 | Co Leicester | 1:11.17 |
| 4 | 18 | Tatiana Belonogoff | 01 | Guildford Ct | 1:10.86 |
| 5 | 17 | Freya Anderson | 01 | Ellesmere Co | 1:11.00 |
| 6 | 15 | Katie Robertson | 01 | Sth Ayrshire | 1:11.23 |
| 7 | 13 | Orla Adams | 95 | Garioch | 1:11.48 |
| 8 | 11 | Grace Gilroy | 97 | Loughboro Un | 1:11.94 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 22 | Rebecca Kamau | 99 | Co Birm'ham | 1:10.29 |
| 2 | 28 | Imogen Clark | 99 | Derventio | 1:09.97 |
| 3 | 34 | Layla Black | 00 | Co Leeds | 1:09.26 |
| 4 | 40 | Sarah Vasey | 96 | Co Derby | 1:07.92 |
| 5 | 37 | Molly Renshaw | 96 | Loughboro Un | 1:08.55 |
| 6 | 31 | Rachael Wilson | 88 | Derwentside | 1:09.74 |
| 7 | 25 | Lara Bate | 00 | Co Manch Aq | 1:10.18 |
| 8 | 19 | Rebecca Swales | 96 | Bath Univ | 1:10.79 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 23 | Hannah Miley | 89 | Garioch | 1:10.28 |
| 2 | 29 | Georgia Coates | 99 | Co Leeds | 1:09.89 |
| 3 | 35 | Chloe Tutton | 96 | Co Cardiff | 1:09.07 |
| 4 | 41 | Siobhan-Marie O'Connor | 95 | Bath Univ | 1:07.79 |
| 5 | 38 | Corrie Scott | 93 | Edinburgh Un | 1:08.08 |
| 6 | 32 | Kara Hanlon | 97 | Edinburgh Un | 1:09.38 |
| 7 | 26 | Emma Cain | 99 | Millfield | 1:10.11 |
| 8 | 20 | Leah Roughan | 99 | Co Peterboro | 1:10.65 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 24 | Niamh Robinson | 99 | Pioneer 79 | 1:10.28 |
| 2 | 30 | Jocelyn Ulyett | 95 | Loughboro Un | 1:09.86 |
| 3 | 36 | Georgina Evans | 96 | Co Liverpool | 1:08.66 |
| 4 | 42 | Kathryn Johnstone | 90 | Edinburgh Un | 1:07.79 |
| 5 | 39 | Katie Matts | 98 | Stockport Mo | 1:07.96 |
| 6 | 33 | Beth Aitchison | 97 | Loughboro Un | 1:09.35 |
| 7 | 27 | Erin Robertson | 99 | Sth Ayrshire | 1:10.05 |
| 8 | 21 | Laura Kinley | 96 | Loughboro Un | 1:10.34 |