EVENT 304 Womens MC 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 2 | 2 | Charlotte Hyde | 14 | S7 | Bark & Dagen | 1:07.55 |
| 3 | 4 | Charlotte McGuinness | 15 | S6 | Harrogate | 1:03.71 |
| 4 | 6 | Katie Moss | 15 | S6 | Mt Kelly | 58.15 |
| 5 | 5 | Suzanne Warren | 37 | S4 | UEA Norwich | 59.25 |
| 6 | 3 | Ellie Spokes | 13 | S6 | Loughborough | 1:05.83 |
| 7 | 1 | Sophie Woodward | 12 | S3 | Nova Cent'n | 1:20.67 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 8 | Georgia Howell | 14 | S6 | Littleh'pton | 55.73 |
| 2 | 10 | Leah O'Connell | 14 | S7 | Camden Swiss | 42.87 |
| 3 | 12 | E Martin-De-La-Torre | 18 | S6 | Hatfield | 40.03 |
| 4 | 14 | Eleanor Robinson | 15 | S6 | Northampton | 35.58 |
| 5 | 13 | Grace Harvey | 18 | S7 | Hoddesdon | 39.81 |
| 6 | 11 | Maisie Summers-Newton | 14 | S6 | Northampton | 41.59 |
| 7 | 9 | Megan Short | 18 | S7 | Satellite | 46.43 |
| 8 | 7 | Megan Atkinson | 16 | S6 | Peterlee | 57.15 |