EVENT 306 Womens MC 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 0 | 2 | Megan Short | 14 | S8 | Satellite | 1:50.61 |
| 1 | 4 | Cecilia Camellini | 20 | S11 | Italy | 1:40.00 |
| 2 | 6 | Scarlett Merrell | 15 | S10 | Braintree | 1:39.18 |
| 3 | 8 | Adela Mikova | 21 | S14 | Czech Rep | 1:30.00 |
| 4 | 10 | Jessika Markkanen | 13 | S10 | Finland | 1:29.36 |
| 5 | 9 | Camille Cruz | 20 | S9 | Brazil | 1:29.58 |
| 6 | 7 | Nikolett Racz | 15 | S10 | Hungary | 1:31.33 |
| 7 | 5 | Marcela Mikulcic | 18 | S10 | Croatia | 1:39.69 |
| 8 | 3 | Ragna Forsa | 14 | S13 | Norway | 1:44.63 |
| 9 | 1 | Eleanor Grudgings | 20 | S8 | Leic Peng | 1:57.65 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 0 | 12 | Michelle Franssen | 18 | S14 | Belgium | 1:25.44 |
| 1 | 14 | Katerina Komarkova | 17 | S9 | Czech Rep | 1:23.00 |
| 2 | 16 | Shireen Sapiro | 21 | S10 | RSA | 1:21.59 |
| 3 | 18 | Chloe Buck | 15 | S9 | Team Jorvik | 1:20.07 |
| 4 | 20 | Jessica Harper | 18 | S9 | Chelsea&West | 1:16.91 |
| 5 | 19 | Pernilla Lindberg | 18 | S14 | Sweden | 1:19.73 |
| 6 | 17 | Stefanie Weinberg | 21 | S8 | Germany | 1:21.18 |
| 7 | 15 | Rosie Bancroft | 17 | S10 | Co Oxford | 1:21.73 |
| 8 | 11 | Maja Reichard | 21 | S11 | Sweden | 1:27.01 |
| 9 | 13 | Nicole Lough | 17 | S14 | South Tyne | 1:23.80 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 0 | 22 | Lucy Walkup | 16 | S15 | Glenrothes | 1:15.19 |
| 1 | 24 | Ellen Keane | 17 | S9 | Ireland | 1:13.55 |
| 2 | 26 | Eleni Papadopoulos | 20 | S10 | Co Manch Aq | 1:12.74 |
| 3 | 28 | Hannah Russell | 16 | S12 | Guildford Ct | 1:11.83 |
| 4 | 30 | Sophie Pascoe | 19 | S10 | New Zealand | 1:07.57 |
| 5 | 29 | Stephanie Millward | 31 | S9 | Swansea Perf | 1:11.50 |
| 6 | 27 | Claire Cashmore | 24 | S9 | Co Leeds | 1:12.07 |
| 7 | 25 | Gemma Almond | 19 | S10 | Swansea Perf | 1:13.46 |
| 8 | 23 | Lauren Steadman | 20 | S9 | Portsmouth N | 1:15.13 |
| 9 | 21 | Reagan Doig | 14 | S14 | Perth City | 1:16.33 |