Heats (Declared Winners) Girls 16/17 Yrs 100m Backstroke
| Place | Name | AaD | Club | Time | | | 50 |
| 1. | Francesca HALSALL | 17 | Lancashire C | 1:01.82 | | | 30.73 |
| 2. | Georgia DAVIES | 17 | South Wales | 1:02.23 | | | 30.33 |
| 3. | Jemma LOWE | 17 | Northumb&Dur | 1:02.83 | | | 30.58 |
| 4. | Rachel LEFLEY | 17 | Nottinghamsh | 1:03.34 | | | 30.83 |
| 5. | Laura JAMISON | 16 | Derbyshi ASA | 1:03.88 | | | 31.17 |
| 6. | Sarah OWEN | 17 | Hampshire Co | 1:04.00 | | | 30.97 |
| 7. | Katherine VENTERS | 16 | YorkshireASA | 1:04.26 | | | 31.47 |
| 8. | Victoria RAYSON | 17 | SomersetCoun | 1:04.41 | | | 31.29 |
| 9. | Anna JEMEILITY | 17 | Berks&SBucks | 1:04.78 | | | 31.49 |
| 10. | Charlotte WOOLLISCROFT | 16 | SussexCounty | 1:05.06 | | | 31.97 |
| 11. | Rosie HOOD | 16 | Scotland Eas | 1:05.61 | | | 32.22 |
| 12. | Natasha BROWN | 16 | HertfordsASA | 1:05.97 | | | 31.96 |
| 13. | Aileen STIRLING | 17 | Scotland Wes | 1:06.12 | | | 31.49 |
| 14. | Emily FREEMAN | 17 | DorsetCounty | 1:06.43 | | | 32.53 |
| 15. | Georgia HUNTON-CLARKE | 16 | EssexCounASA | 1:06.78 | | | 32.57 |
| 16. | Caroline BRADY | 16 | Surrey Co AS | 1:06.80 | | | 32.21 |
| 17. | Kelsey MCCUE | 17 | KentCounASA | 1:08.81 | | | 33.67 |
| 18. | Jessica PORTER | 16 | Middlesex Co | 1:10.12 | | | 33.86 |
| 19. | Emily HAWES | 16 | Suffolk ASA | 1:11.02 | | | 34.50 |
| 20. | Nicola CHADDERTON | 17 | CheshireCo | 1:12.54 | | | 35.09 |
