EVENT 509 Womens MC 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 3 | 5 | Alice Rose Tai | 99 | S10 | Bourmth Coll | 1:14.41 |
| 4 | 9 | Stephanie Slater | 91 | S8 | Preston | 1:09.67 |
| 5 | 7 | Amy Marren | 98 | S9 | Romford Town | 1:10.07 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 1 | 1 | Bethan Eckley | 00 | S10 | Co Cardiff | 1:44.62 |
| 2 | 3 | Eleanor Bamber | 96 | S10 | Glossop | 1:29.31 |
| 3 | 6 | Chloe Buck | 97 | S9 | Harrogate | 1:14.38 |
| 4 | 10 | Hannah Russell | 96 | S12 | Guildford Ct | 1:09.42 |
| 5 | 8 | Eleni Papadopoulos | 92 | S10 | Co Manch Aq | 1:09.92 |
| 6 | 4 | Tully Kearney | 97 | S10 | Boldmere | 1:15.01 |
| 7 | 2 | Coral Farrell | 01 | S10 | Warrington W | 1:36.11 |