| | Heat Number - 1 | | | |
| Lane | Comp.No. | __________Name__________ | Aad | Club/Country | Time |
| 1 | 2 | Harriett Hart | 17 | Surrey ASA | 1:01.26 |
| 2 | 4 | Lucy Carling | 17 | Wiltshire | 1:01.03 |
| 3 | 6 | Emma Allington | 17 | Kent | 1:00.50 |
| 4 | 8 | Emma Dean | 16 | Sussex | 59.70 |
| 5 | 10 | Shelley Parker | 17 | Middlesex | 59.48 |
| 6 | 9 | Louise Cox | 16 | Hampshire | 59.50 |
| 7 | 7 | Jennifer Clegg | 16 | Yorkshire | 1:00.05 |
| 8 | 5 | Joanne Sherwood | 17 | Warwicks | 1:00.66 |
| 9 | 3 | Laura Howell | 16 | Norfolk | 1:01.22 |
| 10 | 1 | Kristy Keegan | 16 | Herts | 1:01.58 |
| | Heat Number - 2 | | | |
| Lane | Comp.No. | __________Name__________ | Aad | Club/Country | Time |
| 1 | 12 | Abigail Tetley | 17 | Cheshire | 59.14 |
| 2 | 14 | Claire Mead | 17 | N & Durham | 58.70 |
| 3 | 16 | Sian Lloyd | 17 | South Wales | 58.59 |
| 4 | 18 | Amy Smith | 17 | Worcs | 58.01 |
| 5 | 20 | Rosie Morahan | 17 | Somerset | 55.80 |
| 6 | 19 | Claudia Powell | 16 | Lancashire | 57.95 |
| 7 | 17 | Kelly Andrews | 17 | Essex ASA | 58.11 |
| 8 | 15 | Jessica Sylvester | 17 | Staffs | 58.66 |
| 9 | 13 | Lorna Docherty | 17 | Scot West | 59.04 |
| 10 | 11 | Dawn Jason | 17 | Suffolk | 59.19 |