| Pos | Name | YOB | Club | Time | ||||
| 1 | Madeline Parker | 95 | WEYS | 46.64 | ||||
| 2 | Amy Fisher | 95 | ALTS | 47.07 | ||||
| 3 | Emily Cockerill | 95 | WEYS | 47.13 | ||||
| 4 | Molly Davis | 95 | HARS | 47.57 | ||||
| 5 | Nancy Shaw | 95 | WEYS | 47.93 | ||||
| 6 | Elizabeth Neale | 96 | BBFS | 48.17 | ||||
| 7 | Katherine Robbings | 95 | WOKS | 48.33 | ||||
| 8 | Ellie Connor | 95 | HSM2 | 48.59 | ||||
| 9 | Emma Baker | 95 | HSM2 | 48.69 | ||||
| 10 | Kelly Davidson | 95 | WOKS | 48.73 | ||||
| 11 | Olivia Hodgeson | 95 | RURS | 48.76 | ||||
| 12 | Jessica Filby | 95 | EPSS | 48.78 | ||||
| 13 | Kira Mancktelow | 95 | HARS | 49.05 | ||||
| 14 | Abbie Wright | 95 | HSM2 | 49.42 | ||||
| 15 | Sarah Baldwin | 95 | HSMS | 50.23 | ||||
| 16 | Emma Adams | 95 | WOKS | 50.24 | ||||
| 17 | Susan Shiel Rankin | 95 | WOKS | 51.05 | ||||
| 18 | Laura Cullum | 95 | ALTS | 51.39 | ||||
| 19 | Ellen Hodges | 95 | RURS | 51.48 | ||||
| 20 | Lucy Strowger | 95 | GOSS | 51.70 | ||||
| 21 | Claire Wilson | 95 | FANS | 53.23 | ||||
| 22 | Sarah Hearn | 95 | ALTS | 53.29 | ||||
| 22 | Charlotte Preston-Howes | 95 | BBFS | 53.29 | ||||
| 24 | Isabella Kirkman | 95 | HSMS | 53.90 | ||||
| 25 | Laura Dehaas | 95 | RURS | 56.49 | ||||
| 26 | Aimee Ballantyne | 95 | GOSS | 59.34 | ||||
| Casey Wheeler | 95 | FANS | DQ:2 pulls under water at turn |