Not Competing : 31
| | | Heat Number - 1 | | | |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 2 | Hannah CHUBB | 11 | Birkenhead | 1:22.27 |
| 2 | 4 | Kate ROODHOUSE | 12 | Stockport Mo | 1:21.53 |
| 3 | 6 | Shannon BREALEY | 13 | Stockport Mo | 1:17.60 |
| 4 | 8 | Amber TOWNS | 12 | Stockport Mo | 1:17.00 |
| 5 | 7 | Olivia METCALF | 14 | Stockport Mo | 1:17.08 |
| 6 | 5 | Sammie-Jo NIGHTINGALE | 12 | Stockport Mo | 1:19.41 |
| 7 | 3 | Sara LOFT | 11 | Oldham Aqua | 1:22.10 |
| 8 | 1 | Lois MARTIN | 11 | Crosby | 1:22.51 |
| | | Heat Number - 2 | | | |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 10 | Katie NIGHTINGALE | 12 | Co Salford | 1:16.16 |
| 2 | 12 | Katie MAWDSLEY | 13 | Preston | 1:15.00 |
| 3 | 14 | Leah EVANS | 13 | Warrington W | 1:14.79 |
| 4 | 16 | Rachel HEESOM | 14 | Warrington W | 1:13.24 |
| 5 | 15 | Molly ORMROD | 14 | Bolton Metro | 1:13.65 |
| 6 | 13 | Lara METCALF | 12 | Stockport Mo | 1:15.00 |
| 7 | 11 | Jennifer KNOWLES | 12 | Co Sheffield | 1:15.01 |
| 8 | 9 | Emily BARCLAY | 12 | Bolton Metro | 1:16.30 |
| | | Heat Number - 3 | | | |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 18 | Alexandra RIACH | 13 | Stockport Mo | 1:12.95 |
| 2 | 20 | Heidi-Louise HAMPSON | 14 | Wigan BEST | 1:12.74 |
| 3 | 22 | Olivia PHENIX | 13 | Wrekin Coll | 1:11.96 |
| 4 | 24 | Lucy HALE | 14 | Alton & Dist | 1:11.80 |
| 5 | 23 | Freya MITCHELL | 12 | Co Sheffield | 1:11.88 |
| 6 | 21 | Rhiannon PRESTAGE | 14 | Oldham Aqua | 1:12.20 |
| 7 | 19 | Tegan TURNER-CLARKE | 14 | Co Sheffield | 1:12.88 |
| 8 | 17 | Shannon CORRIGAN | 12 | Co Salford | 1:13.21 |
| | | Heat Number - 4 | | | |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 26 | Lucy HALE | 14 | Halton | 1:11.04 |
| 2 | 28 | Alishia PALMER | 17 | Nova Cent'n | 1:10.77 |
| 3 | 30 | Holly MADDEN | 14 | Stockport Mo | 1:09.30 |
| 4 | 33 | Sophie PYATT | 14 | Stockport Mo | 1:09.14 |
| 5 | 32 | Catherine PARKER | 14 | Warrington W | 1:09.15 |
| 6 | 29 | Ellie NEWBY | 15 | Halton | 1:10.20 |
| 7 | 27 | Louise RICHARDS | 20 | Aquabears | 1:11.00 |
| 8 | 25 | Charlotte BRITLAND | 15 | Pioneer 79 | 1:11.20 |
| | | Heat Number - 5 | | | |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 35 | Paige BOWDEN | 14 | Crosby | 1:08.60 |
| 2 | 37 | Alice BAILEY | 15 | Satellite | 1:07.48 |
| 3 | 39 | Rebecca TURNER | 17 | Co Sheffield | 1:05.27 |
| 4 | 41 | Fiona DONNELLY | 14 | Nova Cent'n | 1:04.08 |
| 5 | 40 | Georgia HOHMANN | 15 | Nova Cent'n | 1:04.20 |
| 6 | 38 | Natasha HOFTON | 14 | Nova Cent'n | 1:05.32 |
| 7 | 36 | Ambah SIMPSON | 14 | Stockport Mo | 1:07.53 |
| 8 | 34 | Lauren MILLS | 12 | Stockport Mo | 1:09.11 |