5.625km 310m
| Pos | Name | Club | Country | Age Class | Time |
|---|---|---|---|---|---|
| 1st | Florence Haines | AIRE | GBR | W18 | 49:14 |
| 2nd | Rozy Shepherd | INVOC | GBR | W18 | 51:31 |
| 3rd | Rosie Watson | WCOC | GBR | W18 | 52:08 |
| 4th | Lucy Butt | SARUM | GBR | W18 | 55:59 |
| 5th | Rona Lindsay | ESOC | SCO | W18 | 57:00 |
| 6th | Katrina McLeod | GRAMP | GBR | W18 | 62:09 |
| 7th | Jenny Evans | NOC | GBR | W18 | 62:21 |
| 8th | Noémie Roulleaux | C.O.L.É | FRA | W18 | 62:53 |
| 9th | Carrie Beadle | LOC | GBR | W18 | 63:08 |
| 10th | Alice Fellbaum | MDOC | GBR | W18 | 65:22 |
| 11th | Fanny Tilkin | COliege | BEL | W18 | 65:57 |
| 12th | Thalia Bertschinger | OLG Thun | SUI | W18 | 66:00 |
| 13th | Cerys Jones | AIRE | GBR | W18 | 67:24 |
| 14th | Katie Reynolds | SBOC | CYM | W18 | 67:31 |
| 15th | Tamsin Moran | SOC | GBR | W18 | 68:56 |
| 16th | Delyth Darlington | ERYRI | CYM | W18 | 68:59 |
| 17th | Jessica Mason | MAROC | SCO | W18 | 69:49 |
| 18th | Rachel Collins | SO | ENG | W18 | 78:22 |
| 19th | Alice Campbell | CHIG | GBR | W18 | 82:52 |
| 20th | Shona Simmons | BOK | GBR | W18 | 86:02 |
| 21st | Jessie Benjamin | BOK | GBR | W18 | 92:21 |