EVENT 113 Girls 16/17 Yrs 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 1 | Hannah Sharp | 02 | Bedfordshire | 1:08.31 |
| 2 | 3 | Jocelyn Couch | 03 | Cornwall | 1:06.42 |
| 3 | 5 | Francesca Gilpin | 03 | Gloucs | 1:04.62 |
| 4 | 7 | Jessica Woodward | 03 | SE Herts | 1:04.38 |
| 5 | 6 | Catherine Roberts | 03 | Swim Wales W | 1:04.43 |
| 6 | 4 | Rebecca Amor | 03 | Cumbria | 1:04.78 |
| 7 | 2 | Poppy Turner | 03 | Wiltshire | 1:08.16 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 9 | Megan Dean | 02 | Staffs | 1:03.78 |
| 1 | 11 | Alisha Stephenson | 02 | Worcs | 1:03.51 |
| 2 | 13 | Sacha Thomas | 03 | Norfolk | 1:02.52 |
| 3 | 15 | Molly Quelch | 02 | Warwicks | 1:02.30 |
| 4 | 17 | Maisie Elliott | 03 | Leics | 59.73 |
| 5 | 16 | Mia Leech | 02 | Cambs | 1:02.14 |
| 6 | 14 | Ella Chown | 03 | Dorset | 1:02.38 |
| 7 | 12 | Abigail Farkas | 02 | Lincolnshire | 1:03.35 |
| 8 | 10 | Kate Baxter | 03 | Hampshire | 1:03.73 |
| 9 | 8 | Sophie Shaw | 02 | Sussex | 1:04.22 |