| Pos | Name | YOB | Club | Time | ||||
| TF | Eleanor Pennycook | 97 | HARS | 48.73 | ||||
| TF | Christy Chui | 96 | BBFS | 49.67 | ||||
| TF | Christiana Cole | 97 | FERW | 49.91 | ||||
| 1 | Jenny Wiltshire | 96 | DURM | 50.16 | ||||
| 2 | Hannah Parker | 96 | BBFS | 50.55 | ||||
| 3 | Antonia Isles | 96 | HAWL | 51.14 | ||||
| 4 | Rachel Hawkins | 97 | BDOW | 53.40 | ||||
| 4 | Hannah Fredericks | 98 | HAQS | 53.40 | ||||
| 6 | Angharad Williams | 97 | TEDL | 53.79 | ||||
| 7 | Carys Martin | 97 | HARS | 53.91 | ||||
| 8 | Jenna Cannon | 96 | ANDS | 54.82 | ||||
| 9 | Kelly Thomas | 97 | BBFS | 54.96 | ||||
| 10 | Yasmine Toor | 97 | HARS | 55.07 | ||||
| 11 | Jessica Yim | 98 | TEDL | 57.05 | ||||
| 12 | Rebecca Elliott | 96 | BDOW | 57.15 | ||||
| 13 | Courtney Dowling | 96 | GOSS | 57.45 | ||||
| 14 | Megan Schadeberg | 96 | EATS | 57.70 | ||||
| 15 | Lauren Flynn | 97 | TEDL | 57.87 | ||||
| 16 | Maxime Braun | 97 | HARS | 58.18 | ||||
| 17 | Keone Crockwell | 97 | BBFS | 58.44 | ||||
| 18 | Rebekah Woolcot | 97 | BBFS | 1:00.37 | ||||
| 19 | Jessica Hanger | 97 | BBFS | 1:01.43 | ||||
| 20 | Georgia Farrance | 98 | HAQS | 1:02.32 | ||||
| 21 | Sophie Warner | 96 | GOSS | 1:04.44 | ||||
| 22 | Verity Lemm | 98 | BBFS | 1:04.57 | ||||
| 23 | Natasha Stone | 96 | DURM | 1:04.61 | ||||
| 23 | Elena Holden | 96 | HARS | 1:04.61 | ||||
| 25 | Lauren Walton | 97 | GOSS | 1:04.84 | ||||
| 26 | Emma Hebb | 97 | HARS | 1:04.99 | ||||
| 27 | Jamie Biles | 96 | HAQS | 1:07.94 | ||||
| 28 | Esmee Richardson | 97 | HVWS | 1:11.33 | ||||
| Ashleigh Broom | 96 | EATS | DQ:2 Stokes underwater at start | |||||
| Ellie King | 96 | COSS | DQ:Left Foot not turned out | |||||
| Jessica Low | 96 | COSS | DQ:Left foot not turned out | |||||
| Penelope Dodge | 97 | HARS | DQ:1 handed touch at turn |