| Pos | Name | YOB | Club | Time | ||||
| 1 | Evie Edwards | 95 | FANS | 43.51 | ||||
| 2 | Rosie Mist | 96 | PORS | 45.11 | ||||
| 3 | Catherine Dodge | 95 | HARS | 50.46 | ||||
| 4 | Laura Cullum | 95 | ALTS | 51.15 | ||||
| 5 | Hollie Parker | 96 | LSSS | 51.44 | ||||
| 6 | Siobhan Harrison | 95 | BBFS | 52.01 | ||||
| 7 | Bethany Jerram | 95 | WEWS | 52.30 | ||||
| 8 | Emma Lothian | 96 | LSSS | 53.18 | ||||
| 9 | Helene Mathiesen | 96 | WCPS | 53.99 | ||||
| 10 | Beth Dingley | 95 | FANS | 55.27 | ||||
| 11 | Katie Hodgkinson | 95 | LSSS | 56.69 | ||||
| 12 | Nina Absolom | 96 | WCPS | 1:00.29 | ||||
| 13 | Grace Parker | 96 | LSSS | 1:06.50 | ||||
| 14 | Hannah Dowdell | 96 | FANS | 1:10.20 | ||||
| Katie Mottershead | 96 | LSSS | DQ:Alternating leg kick into turn | |||||
| Daisy Small | 96 | LSSS | DQ:Alternating leg kick | |||||
| Chloe Jackson | 95 | HVWS | DQ:Arms not recovering over water together | |||||
| Lucy Strowger | 95 | GOSS | DQ:Breaststroke arm pull, 2nd length |