| B Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Lois Inch | 18 | Winsford | 35.78 |
| 2 | 2 | Eloise Perritt | 16 | Knutsford | 35.40 |
| 3 | 3 | Scarlett Robinson | 17 | Ulverston | 35.26 |
| 4 | 4 | Emily Lines | 16 | Winsford | 35.12 |
| 5 | 5 | Jasmine Cadman | 16 | Carnforth | 35.17 |
| 6 | 6 | Eliza Johnson | 13 | Blackburn | 35.30 |
| 7 | 7 | Pearl O'Brien | 16 | Stretford | 35.70 |
| 8 | 8 | Kate Collin | 17 | Kendal | 35.96 |