| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Lucy Cannavan | 14 | Aquabears | 34.29 |
| 1 | 2 | Clara Von Opel | 14 | Natare W Lon | 34.07 |
| 2 | 3 | Aimee Watson | 14 | Inverclyde | 33.94 |
| 3 | 4 | Imogen Lambert | 14 | C Beds SS | 33.53 |
| 4 | 5 | Jemimah Berkeley | 14 | RTW Monson | 32.81 |
| 5 | 6 | Illizane Pinfold | 14 | Co Oxford | 33.44 |
| 6 | 7 | Eliza Powell | 14 | Bromley | 33.68 |
| 7 | 8 | Emily Farr | 14 | Redditch | 33.94 |
| 8 | 9 | Olivia Herron | 14 | Stockport Mo | 34.28 |
| 9 | 10 | Georgia Gussey | 14 | Co Bristol | 34.35 |