EVENT 122 Girls 16/17 Yrs 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 2 | Erin Saunders | 99 | Northants | 1:17.63 |
| 2 | 4 | Roxanne Uys | 99 | Norfolk | 1:16.10 |
| 3 | 6 | Lucy Clayton | 99 | Worcs | 1:14.91 |
| 4 | 8 | Stella Cookson | 00 | Wiltshire | 1:13.50 |
| 5 | 7 | Charlotte James | 00 | Dorset | 1:13.90 |
| 6 | 5 | Laura Hawkins | 00 | Staffs | 1:14.96 |
| 7 | 3 | Jennie Ballinger | 99 | Shropshire | 1:16.87 |
| 8 | 1 | Annalise Wright | 00 | Bedfordshire | 1:18.29 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 10 | Molly Peters | 00 | Cornwall | 1:12.97 |
| 2 | 12 | Bethany Walker | 00 | Lincolnshire | 1:12.87 |
| 3 | 14 | Rebecca Fell | 00 | Cumbria | 1:12.79 |
| 4 | 16 | Erin Robertson | 99 | Scot West | 1:08.81 |
| 5 | 15 | Hannah Newton | 00 | Cambs | 1:09.30 |
| 6 | 13 | Lily Davis | 99 | Sussex | 1:12.80 |
| 7 | 11 | Abi Rawlings | 99 | Devon | 1:12.90 |
| 8 | 9 | Eva Vicary | 00 | Warwicks | 1:13.12 |