EVENT 113 Girls 16/17 Yrs 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 2 | Natasha Utley | 17 | Notts | 1:05.44 |
| 1 | 4 | Rachel Cornford | 16 | Berks&SBucks | 1:04.42 |
| 2 | 6 | Anna Smail | 17 | Shropshire | 1:04.13 |
| 3 | 8 | Caoimhe Quinn | 17 | Devon | 1:03.86 |
| 4 | 10 | Imogen Meers | 17 | Kent | 1:03.51 |
| 5 | 9 | Ellie Turner | 16 | Scot East | 1:03.55 |
| 6 | 7 | Sophie Yendell | 17 | Derbyshire | 1:03.92 |
| 7 | 5 | Abigail Stemp | 16 | Surrey | 1:04.38 |
| 8 | 3 | Georgia Pease | 17 | Essex | 1:05.30 |
| 9 | 1 | Charlotte Walker | 17 | Suffolk | 1:06.60 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 12 | Jessica McDonough | 17 | Cheshire | 1:03.35 |
| 1 | 14 | Lauren Brantley | 17 | Middlesex | 1:02.61 |
| 2 | 16 | Yvonne Brown | 17 | Scot West | 1:01.81 |
| 3 | 18 | Pia Murray | 17 | Lancashire | 1:01.31 |
| 4 | 20 | Betsy Wizard | 16 | Northants | 1:00.16 |
| 5 | 19 | Lottie Wynne-Jones | 16 | Ox & N Bucks | 1:01.02 |
| 6 | 17 | Megan Allison | 17 | Swim Wales E | 1:01.56 |
| 7 | 15 | Amy Corcoran | 17 | Yorkshire | 1:02.10 |
| 8 | 13 | Melody Jones | 16 | N & Durham | 1:03.23 |
| 9 | 11 | Rachel Anderson | 17 | Somerset | 1:03.36 |