EVENT 303 Womens MC 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 2 | 7 | Brenda Tilk | 94 | S7 | Estonia | 46.14 |
| 3 | 11 | Maisie Summers-Newton | 02 | S6 | Gr Britain | 41.59 |
| 4 | 15 | Nicole Turner | 02 | S6 | Ireland | 37.31 |
| 5 | 13 | E Martin-De-La-Torre | 98 | S6 | Gr Britain | 40.30 |
| 6 | 9 | Sarah Louise Rung | 89 | S5 | Norway | 43.71 |
| 7 | 5 | Megan Short | 98 | S7 | Satellite | 46.43 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 0 | 2 | Suzanne Warren | 79 | S4 | UEA Norwich | 1:01.47 |
| 1 | 4 | Peggy Sonntag | 99 | S5 | Germany | 50.00 |
| 2 | 8 | Meri-Maari Makinen | 92 | S7 | Finland | 44.52 |
| 3 | 12 | Denise Grahl | 93 | S7 | Germany | 40.62 |
| 4 | 16 | Eleanor Robinson | 01 | S6 | Gr Britain | 35.58 |
| 5 | 14 | Grace Harvey | 98 | S7 | Gr Britain | 39.81 |
| 6 | 10 | Leah O'Connell | 02 | S7 | Camden Swiss | 42.87 |
| 7 | 6 | Anna Hontar | 03 | S6 | Ukraine | 46.23 |
| 8 | 3 | Tammy Cunnington | 75 | S4 | Canada | 52.10 |
| 9 | 1 | Sophie Woodward | 04 | S3 | Kimberley | 1:19.88 |