| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Holly Hayle | 17 | Northampton | 39.33 |
| 2 | 2 | Claire Lera | 43 | Rushden | 38.18 |
| 3 | 3 | Grace Wingham | 19 | Corby | 36.59 |
| 4 | 4 | Alexa Parker | 17 | Corby | 36.31 |
| 5 | 5 | Charlotte Jarman | 18 | Rushden | 36.58 |
| 6 | 6 | Ruby Cummins | 21 | Wellingboro | 36.89 |
| 7 | 7 | Georgia Smith | 17 | Corby | 39.31 |
| 8 | 8 | Lana Giles | 19 | Kettering | 40.65 |