| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Lexie Webb | 12 | Rushden | 34.46 |
| 2 | 2 | Lilly Kowal | 12 | Wellingboro | 34.27 |
| 3 | 3 | Kimberley Hayes | 12 | Kettering | 33.90 |
| 4 | 4 | Teagan Payne | 12 | Northampton | 32.64 |
| 5 | 5 | Sofia Reedha | 12 | Corby | 33.26 |
| 6 | 6 | Holly Coleman | 12 | Wellingboro | 34.14 |
| 7 | 7 | Mackenzie Wainwright | 12 | Northampton | 34.36 |
| 8 | 8 | Isobelle Frow | 12 | Corby | 34.52 |