Not Competing : 23,50,61
| | | Heat Number - 1 | | | |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 3 | 2 | Lois MARTIN | 11 | Crosby | 1:13.75 |
| 4 | 4 | Erica MINOZZI | 11 | Burnley BOBC | 1:10.93 |
| 5 | 3 | Emma BURNS | 11 | Bolton Metro | 1:11.32 |
| 6 | 1 | Hannah CHUBB | 11 | Birkenhead | 1:13.93 |
| | | Heat Number - 2 | | | |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 6 | Amber TOWNS | 12 | Stockport Mo | 1:09.00 |
| 2 | 8 | Nicola FARRELL | 12 | Oldham Aqua | 1:08.59 |
| 3 | 10 | Aimee SMITH | 12 | Bolton Metro | 1:08.23 |
| 4 | 12 | Shannon BREALEY | 13 | Stockport Mo | 1:08.08 |
| 5 | 11 | Sammie-Jo NIGHTINGALE | 12 | Stockport Mo | 1:08.21 |
| 6 | 9 | Chloe FLETCHER | 12 | Stockport Mo | 1:08.50 |
| 7 | 7 | Florence THWAITES-MILE | 11 | Stockport Mo | 1:08.92 |
| 8 | 5 | Ellie BAGSHAW | 11 | Stockport Mo | 1:10.04 |
| | | Heat Number - 3 | | | |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 14 | Emily BARCLAY | 12 | Bolton Metro | 1:07.06 |
| 2 | 16 | Rachel HEESOM | 14 | Warrington W | 1:06.44 |
| 3 | 18 | Gabrielle BUTTERWORTH | 13 | SwimTrafford | 1:06.19 |
| 4 | 20 | Lucy HALE | 14 | Alton & Dist | 1:05.62 |
| 5 | 19 | Olivia ASKEW | 11 | Oldham Aqua | 1:05.69 |
| 6 | 17 | Shannon CORRIGAN | 12 | Co Salford | 1:06.44 |
| 7 | 15 | Lillie TEW-WEAVER | 12 | Stockport Mo | 1:06.84 |
| 8 | 13 | Katie NIGHTINGALE | 12 | Co Salford | 1:07.17 |
| | | Heat Number - 4 | | | |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 22 | Jessica PEARSON | 15 | SwimTrafford | 1:05.00 |
| 2 | 25 | Olivia PHENIX | 13 | Wrekin Coll | 1:04.57 |
| 3 | 27 | Lucy HALE | 14 | Halton | 1:04.41 |
| 4 | 29 | Jessica GALLIMORE | 14 | Winsford | 1:04.09 |
| 5 | 28 | Charlotte HICKEY | 12 | Co Salford | 1:04.13 |
| 6 | 26 | Sarah HOYE | 17 | SwimTrafford | 1:04.52 |
| 7 | 24 | Isabella CENTELEGNE | 13 | Satellite | 1:04.72 |
| 8 | 21 | Kiera WELLS | 14 | SwimTrafford | 1:05.20 |
| | | Heat Number - 5 | | | |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 31 | Kimberley ROBINSON | 14 | Stockport Mo | 1:04.01 |
| 2 | 33 | Abbie HENDERSON | 17 | Stockport Mo | 1:03.76 |
| 3 | 35 | Sophie KENNY | 15 | Oldham Aqua | 1:03.60 |
| 4 | 37 | Katie BENNETT | 14 | Satellite | 1:03.23 |
| 5 | 36 | Charlotte ASHWORTH | 14 | Oldham Aqua | 1:03.55 |
| 6 | 34 | Heather LAWSON | 14 | SwimTrafford | 1:03.69 |
| 7 | 32 | Marsha BANKS | 15 | Burnley BOBC | 1:03.89 |
| 8 | 30 | Ellie NEWBY | 15 | Halton | 1:04.08 |
| | | Heat Number - 6 | | | |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 39 | Francesca CHIAPPE | 13 | Oldham Aqua | 1:02.84 |
| 2 | 41 | Kate YEOMAN | 14 | Co Sheffield | 1:02.74 |
| 3 | 43 | Paige BOWDEN | 14 | Crosby | 1:02.60 |
| 4 | 45 | Jess KENDALL | 15 | Co Sheffield | 1:02.32 |
| 5 | 44 | Katherine HICKEY | 15 | Co Salford | 1:02.51 |
| 6 | 42 | Rhiannon PRESTAGE | 14 | Oldham Aqua | 1:02.62 |
| 7 | 40 | Ambah SIMPSON | 14 | Stockport Mo | 1:02.78 |
| 8 | 38 | Lauren MILLS | 12 | Stockport Mo | 1:03.21 |
| | | Heat Number - 7 | | | |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 47 | Alexandra RIACH | 13 | Stockport Mo | 1:01.52 |
| 2 | 49 | Louise RICHARDS | 20 | Aquabears | 1:01.30 |
| 3 | 52 | Lucy SPENCER | 16 | Co Sheffield | 1:00.50 |
| 4 | 54 | Charlotte WOOLISCROFT | 19 | Shiverers | 59.94 |
| 5 | 53 | Alice BAILEY | 15 | Satellite | 1:00.42 |
| 6 | 51 | Catherine MARCROFT | 17 | Stockport Mo | 1:01.07 |
| 7 | 48 | Vicky CUNNINGHAM | 15 | Winsford | 1:01.45 |
| 8 | 46 | Emily KNOWLES-JONES | 13 | Stockport Mo | 1:01.62 |
| | | Heat Number - 8 | | | |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 56 | Alice MORGAN | 16 | Stockport Mo | 59.37 |
| 2 | 58 | Katy WHITFIELD | 20 | Stockport Mo | 59.21 |
| 3 | 60 | Jessica TWIGG | 18 | Co Salford | 58.44 |
| 4 | 63 | Lucy WORRALL | 17 | Stockport Mo | 55.90 |
| 5 | 62 | Keri-Anne PAYNE | 21 | Stockport Mo | 57.50 |
| 6 | 59 | Cassandra PATTEN | 22 | Stockport Mo | 58.90 |
| 7 | 57 | Helen MCROBERTS | 18 | Warrender Ba | 59.30 |
| 8 | 55 | Sarah GODDARD | 16 | Stockport Mo | 59.93 |