| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Olivia Newman-Baronius | 13 | Putteridge | 37.13 |
| 2 | 2 | Matilda Ransome | 13 | Co Cambridge | 37.08 |
| 3 | 3 | Lucy Buckingham | 13 | Putteridge | 36.39 |
| 4 | 4 | Kirsty Fuge | 13 | Hatfield | 36.07 |
| 5 | 5 | Beth Young | 13 | Felixstowe | 36.28 |
| 6 | 6 | Macy Dexter | 13 | Co Cambridge | 36.80 |
| 7 | 7 | Aimee Dickerson | 13 | Thetford | 37.11 |
| 8 | 8 | Eleni Zorn | 13 | Modernian | 37.26 |