EVENT 306 Womens MC 10/18 Yrs 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 1 | Imogen Dodds | 10 | S13 | Wellingboro | 2:09.63 |
| 2 | 3 | Rachel Agar | 13 | S9 | Bark & Dagen | 1:57.63 |
| 3 | 5 | Eliza Humphrey | 14 | S11 | Northampton | 1:50.56 |
| 4 | 7 | Seren Leconte | 15 | S9 | RCT Squad | 1:36.43 |
| 5 | 6 | Meghan Willis | 12 | S9 | Torfaen D | 1:48.06 |
| 6 | 4 | Eva French | 12 | S10 | Nuneaton | 1:52.53 |
| 7 | 2 | Hollie Pinder | 17 | S9 | Adwick | 2:06.64 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 9 | Georgia Sheffield | 14 | S14 | Co Salford | 1:22.22 |
| 2 | 11 | Katie Crowhurst | 15 | S13 | Wycombe Dist | 1:21.13 |
| 3 | 13 | Poppy Maskill | 14 | S14 | Crewe Flyers | 1:15.42 |
| 4 | 15 | Libby Gotta | 15 | S15 | Wantage | 1:11.19 |
| 5 | 14 | Lily Macleod | 18 | S13 | Mt Kelly | 1:11.72 |
| 6 | 12 | Aliya Bacakoglu | 15 | S10 | Bo Kirklees | 1:20.99 |
| 7 | 10 | Rebecca Lewis | 16 | S10 | RCT Squad | 1:21.22 |
| 8 | 8 | Tamsin Neef | 16 | S14 | Tain | 1:23.97 |