| Place | Name | Club | Improvement | Result |
|---|---|---|---|---|
| 1 | Victoria Daley | Chalfont | Victoria Daley Chalfont |
1:21.01 |
| 2 | Harshika Srivastava | Newbury | Harshika Srivastava Newbury |
1:23.19 |
| 3 | Maisie Dickinson | Wycombe Dist | Maisie Dickinson Wycombe Dist |
1:23.23 |
| 4 | Francesca Woollard | Wycombe Dist | Francesca Woollard Wycombe Dist |
1:23.56 |
| 5 | Lucy Quill | Amersham | Lucy Quill Amersham |
1:23.80 |
| 6 | Rhiarna Wilks | Windsor | Rhiarna Wilks Windsor |
1:24.42 |
| 7 | Flo Taylor | Bracknell | Flo Taylor Bracknell |
1:25.20 |
| 8 | Kirsten Fraser | Newbury | Kirsten Fraser Newbury |
1:26.49 |