| | Heat Number - 1 | | | |
| Lane | Comp.No. | __________Name__________ | Aad | Club/Country | Time |
| 1 | 2 | Jessica Baker | 13 | South Wales | 1:22.82 |
| 2 | 4 | Audrey Gilmour | 13 | Scot West | 1:22.35 |
| 3 | 6 | Holly Burton | 13 | Worcs | 1:20.94 |
| 4 | 8 | Katie Holmes | 13 | Cheshire | 1:20.29 |
| 5 | 10 | Florence Fairbairns | 13 | Middlesex | 1:19.04 |
| 6 | 9 | Kaz Melvin | 13 | Essex ASA | 1:20.13 |
| 7 | 7 | Danielle King | 13 | Hampshire | 1:20.40 |
| 8 | 5 | Hannah Belameh | 13 | Sussex | 1:22.07 |
| 9 | 3 | Emily Gill | 13 | Staffs | 1:22.37 |
| 10 | 1 | Chloe Pellican | 12 | Norfolk | 1:28.15 |
| | Heat Number - 2 | | | |
| Lane | Comp.No. | __________Name__________ | Aad | Club/Country | Time |
| 1 | 12 | Lucy Shilling | 13 | Kent | 1:18.70 |
| 2 | 14 | Stephanie Slater | 13 | Lancashire | 1:18.34 |
| 3 | 16 | Emma Wilson | 12 | N & Durham | 1:17.95 |
| 4 | 18 | Sian Aherne | 13 | Surrey ASA | 1:15.87 |
| 5 | 20 | Emily Cryan | 13 | Yorkshire | 1:12.57 |
| 6 | 19 | Kristine Brown | 13 | Somerset | 1:14.50 |
| 7 | 17 | Alexandra Warren | 13 | Wiltshire | 1:17.22 |
| 8 | 15 | Claire Barron | 13 | Suffolk | 1:18.17 |
| 9 | 13 | Cara Purvis | 13 | Herts | 1:18.51 |
| 10 | 11 | Sinead Timms | 13 | Warwicks | 1:18.95 |