EVENT 305 Womens MC 50m Butterfly PWS - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 3 | 9 | Shelby Newkirk* | 96 | S7 | Canada | 41.29 |
| 4 | 13 | Nicole Turner | 02 | S6 | Ireland | 36.99 |
| 5 | 11 | Tess Routliffe | 98 | S7 | Canada | 39.93 |
| 6 | 7 | Meri-Maari Makinen | 92 | S7 | Finland | 43.75 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 0 | 2 | Krystal Shaw* | 94 | S7 | Canada | 59.17 |
| 1 | 4 | Jasmin Beutler | 00 | S6 | Germany | 49.80 |
| 2 | 6 | Sarah Louise Rung | 89 | S6 | Norway | 43.77 |
| 3 | 10 | Denise Grahl | 93 | S7 | Germany | 40.89 |
| 4 | 14 | Eleanor Robinson | 01 | S6 | Gr Britain | 35.99 |
| 5 | 12 | Verena Schott | 89 | S6 | Germany | 39.42 |
| 6 | 8 | Grace Harvey* | 98 | S6 | Gr Britain | 41.58 |
| 7 | 5 | Sakura Koike | 01 | S7 | Japan | 49.65 |
| 8 | 3 | Peggy Sonntag | 99 | S5 | Germany | 50.54 |
| 9 | 1 | Gina Boettcher | 01 | S4 | Germany | 1:07.05 |