| B Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Poppy DUNNE | 16 | Skipton | 1:21.72 |
| 1 | 2 | Dominika FRACKOWIAK | 16 | Trafford Met | 1:21.03 |
| 2 | 3 | Lucy TOWSE | 18 | KingstonHull | 1:20.28 |
| 3 | 4 | Sigourney BOLTON | 15 | South Lincs | 1:18.99 |
| 4 | 5 | Emmie HORWELL | 16 | York City | 1:18.47 |
| 5 | 6 | Alice HOLT | 15 | Wigan BEST | 1:18.70 |
| 6 | 7 | Phoebe OLIVER | 16 | Skipton | 1:20.22 |
| 7 | 8 | Charlotte BYRON | 16 | Melton M'bry | 1:20.77 |
| 8 | 9 | Alex DUNN | 17 | Co Bradford | 1:21.17 |
| 9 | 10 | Ruby BYRNE | 16 | Co Bradford | 1:22.27 |