Not Competing : 2
| | | Heat Number - 1 | | | |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 2 | 3 | Katie MATTS | 98 | Co Salford | 1:28.82 |
| 3 | 5 | Kate ROODHOUSE | 97 | Stockport Mo | 1:27.03 |
| 4 | 7 | Annie WOOD | 97 | Co Sheffield | 1:26.79 |
| 5 | 6 | Laura MULLANY | 97 | Stockport Mo | 1:27.00 |
| 6 | 4 | Shannon BREALEY | 96 | Stockport Mo | 1:27.16 |
| 7 | 1 | Sammie-Jo NIGHTINGALE | 97 | Stockport Mo | 1:31.29 |
| | | Heat Number - 2 | | | |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 9 | Lillie TEW-WEAVER | 96 | Stockport Mo | 1:24.39 |
| 2 | 11 | Fiona DONNELLY | 95 | Nova Cent'n | 1:22.04 |
| 3 | 13 | Clare RIDLER | 93 | Satellite | 1:20.00 |
| 4 | 15 | Emily KNOWLES-JONES | 96 | Stockport Mo | 1:19.20 |
| 5 | 14 | Jessica POWELL | 93 | Stockport Mo | 1:19.87 |
| 6 | 12 | Megan BERRIDGE | 96 | Nova Cent'n | 1:21.30 |
| 7 | 10 | Shannon FOWLER | 96 | KingstonHull | 1:22.99 |
| 8 | 8 | Aimee SMITH | 96 | Bolton Metro | 1:25.10 |
| | | Heat Number - 3 | | | |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 17 | Katie GREENWOOD | 94 | SwimTrafford | 1:17.06 |
| 2 | 19 | Laura HYLAND | 94 | Southport | 1:15.50 |
| 3 | 21 | Jessica CHADWICK | 94 | Preston | 1:14.44 |
| 4 | 23 | Keri-Anne PAYNE | 87 | Stockport Mo | 1:09.50 |
| 5 | 22 | Danielle LOWE | 95 | LiverpoolPen | 1:13.40 |
| 6 | 20 | Scarlett WILSON | 96 | Stockport Mo | 1:15.44 |
| 7 | 18 | Eleanor JONES | 93 | Stockport Mo | 1:16.30 |
| 8 | 16 | Laura HIBBERT | 96 | Stockport Mo | 1:17.40 |