| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | A Ursache | 12 | Kettering | 1:15.17 |
| 2 | 2 | Daria Bielawski | 12 | Northampton | 1:13.85 |
| 3 | 3 | Vanessa Meger | 12 | Corby | 1:12.14 |
| 4 | 4 | Milly Webb | 12 | Northampton | 1:10.48 |
| 5 | 5 | Olivia Fern | 12 | Northampton | 1:11.94 |
| 6 | 6 | Victoria Komorowska | 12 | Corby | 1:13.01 |
| 7 | 7 | Addyson Hicks | 12 | Corby | 1:15.04 |
| 8 | 8 | Jessica Kemp | 12 | Wellingboro | 1:16.68 |