Heats (Declared Winners) Girls 12/13 Yrs 100m Backstroke
| Place | Name | AaD | Club | Time | | | 50 |
| 1. | Rosie LUCAS | 13 | Leics ASA | 1:08.30 | | | 33.26 |
| 2. | Alice BUTLER | 13 | Oxfords&NBuc | 1:08.77 | | | 33.14 |
| 3. | Rachel WILLIAMS | 13 | WiltshireASA | 1:09.37 | | | 34.36 |
| 4. | Alice COUSINS | 13 | Shropshi ASA | 1:09.74 | | | 33.81 |
| 5. | Rebecca COLE | 13 | Worcester Co | 1:09.93 | | | 34.94 |
| 6. | Emma WILLIAMS | 13 | DevonCounASA | 1:10.16 | | | 34.18 |
| 7. | Charlotte MCRAE | 12 | Lincolns ASA | 1:10.32 | | | 34.59 |
| 8. | Miranda BROADBENT | 13 | Cumbria ASA | 1:10.44 | | | 34.51 |
| 9. | Amy WILLIAMS | 13 | StaffordsASA | 1:10.93 | | | 34.66 |
| 10. | Sophie MCBAIN | 13 | NorthampsASA | 1:11.22 | | | 34.97 |
| 11. | Rebecca DONALDSON | 13 | Scotland Mid | 1:11.78 | | | 34.69 |
| 12. | Laura ADAMS | 13 | Norfolk Coun | 1:12.02 | | | 34.88 |
| 13. | Abigail MOXLEY | 12 | North Wales | 1:12.48 | | | 35.24 |
| 14. | Maise-anna DOVE | 13 | Warwicks ASA | 1:14.65 | | | 35.95 |
| 15. | Kay DE COURCEY | 12 | Cornwall ASA | 1:15.01 | | | 36.67 |
| 16. | Jo LONGLAND | 13 | Cambridgeshi | 1:15.94 | | | 36.29 |
| 17. | Nia WESTLAKE | 13 | Gloucestersh | 1:16.60 | | | |
| 18. | Brogan MCGEOGHEGEN | 12 | Bedfords ASA | 1:19.63 | | | 38.36 |
