| Final | ||||||
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 0 | 1 | Maisie Summers Newton | 02 | S6 | Wellingboro | 40.15 |
| 1 | 2 | Stephanie Baumann | 91 | S9 | Switzerland | 33.41 |
| 2 | 3 | Keira Shepherd | 90 | S9 | Boldmere | 32.74 |
| 3 | 4 | Lily Macleod | 01 | S13 | RichmondDale | 31.97 |
| 4 | 5 | Harriet Lee | 91 | S10 | T North WP | 31.24 |
| 5 | 6 | Emma Cattle | 88 | S10 | Team Luton | 31.53 |
| 6 | 7 | Megan Richter | 00 | S9 | Orion | 32.73 |
| 7 | 8 | Chloe Buck | 97 | S9 | Harrogate | 33.30 |
| 8 | 9 | Grace Harvey | 98 | S7 | Hoddesdon | 36.16 |