EVENT 126 Girls 14/15 Yrs 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 2 | MICHAELLA GLENISTER | 15 | Leics | 1:07.01 |
| 1 | 4 | Honor Davies | 15 | Dorset | 1:06.80 |
| 2 | 6 | Faye Francis | 14 | Hampshire | 1:05.03 |
| 3 | 8 | Sophie Shaw | 15 | Sussex | 1:04.60 |
| 4 | 10 | Charlotte O'Leary | 15 | Middlesex | 1:04.30 |
| 5 | 9 | Lucy Aherne | 14 | Cheshire | 1:04.32 |
| 6 | 7 | Ellie Turner | 14 | Scot East | 1:04.70 |
| 7 | 5 | Olivia Norman | 15 | Essex | 1:05.57 |
| 8 | 3 | Erin Roberts | 15 | Swim Wales E | 1:06.97 |
| 9 | 1 | Rebecca Flisher | 15 | Notts | 1:07.40 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 12 | HONEY OSRIN | 14 | Devon | 1:04.10 |
| 1 | 14 | Hannah Slater | 15 | N & Durham | 1:04.00 |
| 2 | 16 | JOCELYN COSMATOS | 15 | Surrey | 1:03.64 |
| 3 | 18 | Emily Ford | 15 | Ox & N Bucks | 1:03.04 |
| 4 | 20 | Tia Ward | 14 | Yorkshire | 1:02.13 |
| 5 | 19 | Pia Murray | 15 | Lancashire | 1:02.90 |
| 6 | 17 | Tatiana Tostevin | 14 | Somerset | 1:03.17 |
| 7 | 15 | Imogen Meers | 15 | Kent | 1:03.70 |
| 8 | 13 | Ellis Shiels | 15 | Scot West | 1:04.00 |
| 9 | 11 | Lija Radziunaite | 15 | Suffolk | 1:04.25 |