EVENT 113 Girls 16/17 Yrs 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 2 | Yasemin Tayar | 00 | Worcs | 1:09.71 |
| 2 | 4 | Georgina Curtis | 00 | Bedfordshire | 1:08.36 |
| 3 | 6 | Georgia Keen | 00 | Wiltshire | 1:07.20 |
| 4 | 8 | Ella Farley | 00 | Devon | 1:06.50 |
| 5 | 7 | Emily Sharp | 00 | Northants | 1:06.52 |
| 6 | 5 | Abigail Whiting | 99 | Norfolk | 1:07.30 |
| 7 | 3 | Angela Staffieri | 00 | Cornwall | 1:08.55 |
| 8 | 1 | Grace Shorrock | 00 | Shropshire | 1:15.29 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 10 | Sophie Stables | 00 | Warwicks | 1:05.23 |
| 2 | 12 | Jessica Richens | 99 | Dorset | 1:04.70 |
| 3 | 14 | Rebecca Fell | 00 | Cumbria | 1:03.25 |
| 4 | 16 | Isabel Spinley | 00 | Lincolnshire | 1:01.10 |
| 5 | 15 | Zoe MacDonald | 00 | Scot West | 1:02.65 |
| 6 | 13 | Polly Holden | 99 | Staffs | 1:04.15 |
| 7 | 11 | Eleanor Morris | 99 | Sussex | 1:05.05 |
| 8 | 9 | Amy Chalmers | 99 | Cambs | 1:06.30 |