EVENT 126 Girls 14/15 Yrs 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 1 | Emma Shoobert | 02 | Bedfordshire | 1:11.25 |
| 2 | 3 | Honor Davies | 02 | Dorset | 1:08.00 |
| 3 | 5 | Ellis Shiels | 02 | Scot West | 1:07.29 |
| 4 | 7 | Lauren Cox | 01 | Warwicks | 1:07.07 |
| 5 | 6 | Emma Leslie | 01 | Cambs | 1:07.20 |
| 6 | 4 | Freya Fulcher | 01 | Sussex | 1:07.70 |
| 7 | 2 | Gemma Hughes | 02 | Shropshire | 1:10.77 |
| 8 | 16 | Masie Easter | 02 | Norfolk | 99: . |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 9 | Ciara Usher | 02 | Northants | 1:06.63 |
| 2 | 11 | Sophie Hart | 01 | Lincolnshire | 1:05.90 |
| 3 | 13 | Olivia Burrow | 02 | Devon | 1:05.69 |
| 4 | 15 | Nicola Capstick | 01 | Cumbria | 1:04.61 |
| 5 | 14 | Niamh Hofland | 02 | Staffs | 1:04.72 |
| 6 | 12 | Jemima Grigg | 02 | Cornwall | 1:05.70 |
| 7 | 10 | Charley Jones | 01 | Worcs | 1:06.30 |
| 8 | 8 | Honey Owen | 01 | Wiltshire | 1:06.90 |