EVENT 126 Girls 14/15 Yrs 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Chloe Hazell | 14 | Norfolk | 1:08.82 |
| 1 | 3 | Jordan Holroyd | 14 | Cornwall | 1:08.80 |
| 2 | 5 | Alexandra Harris | 15 | Shropshire | 1:08.72 |
| 3 | 7 | Katie Phillips | 15 | Scot Midland | 1:07.80 |
| 4 | 9 | Abi Bowring | 15 | Gloucs | 1:07.60 |
| 5 | 8 | Georgia Cotterill | 14 | Devon | 1:07.68 |
| 6 | 6 | Yasmin Hooker | 14 | Sussex | 1:08.40 |
| 7 | 4 | Taylor Goodby | 14 | Cambs | 1:08.79 |
| 8 | 2 | Beth Currant | 15 | Bedfordshire | 1:08.80 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 11 | Hannah Beetham | 14 | Swim Wales E | 1:06.44 |
| 1 | 13 | Alaina Scifo | 15 | Suffolk | 1:05.40 |
| 2 | 15 | Natalie Clarke | 15 | Warwicks | 1:05.28 |
| 3 | 17 | Lucy McKenzie | 15 | Cumbria | 1:04.01 |
| 4 | 19 | Harriet Cooper | 15 | Leics | 1:02.42 |
| 5 | 18 | Maya Westlake | 15 | Lincolnshire | 1:03.27 |
| 6 | 16 | Daniella Whiting | 15 | Wiltshire | 1:04.56 |
| 7 | 14 | Jordan Harding | 14 | Swim Wales W | 1:05.35 |
| 8 | 12 | Megan Willetts | 14 | Worcs | 1:06.41 |
| 9 | 10 | Georgia Wilks | 15 | Northants | 1:07.06 |