| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Beau Cunningham | 14 | Corby | 42.75 |
| 2 | 2 | Evie Donnison | 14 | Daventry | 41.90 |
| 3 | 3 | Megan Barber | 14 | Kettering | 41.20 |
| 4 | 4 | Lily Baish | 14 | Kettering | 38.68 |
| 5 | 5 | Nya Wilkinson | 14 | Northampton | 38.73 |
| 6 | 6 | Chiara Reedha | 14 | Corby | 41.50 |
| 7 | 7 | Bethany Hughes | 14 | Wellingboro | 42.10 |
| 8 | 8 | Taryn Payne | 14 | Northampton | 43.13 |