Not Competing : 2,4
| | | Heat Number - 1 | | | |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 3 | 1 | Lois MARTIN | 11 | Crosby | 3:15.76 |
| 4 | 5 | Katie MATTS | 11 | Co Salford | 3:06.16 |
| 5 | 3 | Aimee SMITH | 12 | Bolton Metro | 3:07.50 |
| | | Heat Number - 2 | | | |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 7 | Sammie-Jo NIGHTINGALE | 12 | Stockport Mo | 3:04.45 |
| 3 | 9 | Kate ROODHOUSE | 12 | Stockport Mo | 2:57.44 |
| 4 | 11 | Emily KNOWLES-JONES | 13 | Stockport Mo | 2:54.16 |
| 5 | 10 | Heather LAWSON | 14 | SwimTrafford | 2:56.30 |
| 6 | 8 | Lillie TEW-WEAVER | 12 | Stockport Mo | 2:57.72 |
| 7 | 6 | Laura MULLANY | 12 | Stockport Mo | 3:05.00 |
| | | Heat Number - 3 | | | |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 13 | Katie GREENWOOD | 15 | SwimTrafford | 2:47.17 |
| 2 | 15 | Laura HYLAND | 15 | Southport | 2:42.90 |
| 3 | 17 | Scarlett WILSON | 14 | Stockport Mo | 2:40.82 |
| 4 | 19 | Jessica CHADWICK | 14 | Preston | 2:39.40 |
| 5 | 18 | Danielle LOWE | 14 | LiverpoolPen | 2:40.60 |
| 6 | 16 | Eleanor JONES | 16 | Stockport Mo | 2:40.93 |
| 7 | 14 | Jessica POWELL | 16 | Stockport Mo | 2:44.24 |
| 8 | 12 | Sarah GODDARD | 16 | Stockport Mo | 2:54.09 |