| Final | ||||||
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 0 | 1 | Maisie Summers-Newton | 15 | S6 | Northampton | 36.54 |
| 1 | 2 | Abby Kane | 14 | S13 | Ren 96 | 31.52 |
| 2 | 3 | Toni Shaw | 14 | S9 | Aberdeen Per | 31.16 |
| 3 | 4 | Lily Macleod | 16 | S13 | Mt Kelly | 30.53 |
| 4 | 5 | Hannah Russell | 21 | S12 | Co Manch Aq | 28.04 |
| 5 | 6 | Zara Mullooly | 15 | S10 | Guildford Ct | 30.21 |
| 6 | 7 | Rebecca Redfern | 18 | S13 | Worcester | 30.90 |
| 7 | 8 | Stephanie Millward | 36 | S8 | Corsham | 31.23 |
| 8 | 9 | Eleanor Robinson | 16 | S6 | Northampton | 35.58 |