EVENT 101 Girls 16/17 Yrs 100m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 2 | Ellena Jones | 97 | Swim Wales W | 1:01.38 |
| 1 | 4 | Daisy Marchant | 96 | Sussex | 59.41 |
| 2 | 6 | Sarah Vasey | 96 | Derbyshire | 58.73 |
| 3 | 8 | Lucy Smith | 97 | Ox & N Bucks | 57.94 |
| 4 | 10 | Charlotte Young | 96 | N & Durham | 57.57 |
| 5 | 9 | Abigail Dow | 97 | Berks&SBucks | 57.81 |
| 6 | 7 | Megan Tinsdale | 96 | Worcs | 58.48 |
| 7 | 5 | Paige Lang | 96 | Scot West | 59.38 |
| 8 | 3 | Lara Robinson | 97 | Notts | 1:00.52 |
| 9 | 1 | Harriet Jones | 97 | Swim Wales E | 1:01.98 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 12 | Hannah Burvill | 97 | Surrey | 56.90 |
| 1 | 14 | Emily Knowles-Jones | 96 | Cheshire | 56.63 |
| 2 | 16 | Linda Shaw | 97 | Yorkshire | 56.20 |
| 3 | 18 | Abiigail Abrahams | 96 | Somerset | 55.60 |
| 4 | 20 | Katie Latham | 97 | Kent | 55.20 |
| 5 | 19 | Lucy Hope | 97 | Scot East | 55.60 |
| 6 | 17 | Isabella Hindley | 96 | Middlesex | 55.95 |
| 7 | 15 | Emily Bashforth | 96 | Hampshire | 56.31 |
| 8 | 13 | Jaeger Turner | 96 | Lancashire | 56.72 |
| 9 | 11 | Jessica Jackson | 97 | Herts | 57.54 |