5.125km 250m
| Pos | Name | Club | Country | Age Class | Time |
|---|---|---|---|---|---|
| 1st | Rona Lindsay | ESOC | SCO | W18 | 48:03 |
| 2nd | Thalia Bertschinger | OLG Thun | SUI | W18 | 48:53 |
| 3rd | Florence Haines | AIRE | GBR | W18 | 51:29 |
| 4th | Tamsin Moran | SOC | GBR | W18 | 55:10 |
| 5th | Rosie Watson | WCOC | GBR | W18 | 58:00 |
| 6th | Rozy Shepherd | INVOC | GBR | W18 | 58:16 |
| 7th | Fanny Tilkin | COliege | BEL | W18 | 58:17 |
| 8th | Noémie Roulleaux | C.O.L.É | FRA | W18 | 59:10 |
| 9th | Jenny Evans | NOC | GBR | W18 | 59:27 |
| 10th | Katrina McLeod | GRAMP | GBR | W18 | 59:28 |
| 11th | Cerys Jones | AIRE | GBR | W18 | 65:02 |
| 12th | Carrie Beadle | LOC | GBR | W18 | 65:30 |
| 13th | Alice Campbell | CHIG | GBR | W18 | 67:04 |
| 14th | Shona Simmons | BOK | GBR | W18 | 68:44 |
| 15th | Delyth Darlington | ERYRI | CYM | W18 | 68:51 |
| 16th | Jessica Mason | MAROC | SCO | W18 | 69:55 |
| 17th | Alice Fellbaum | MDOC | GBR | W18 | 71:39 |
| 18th | Katie Reynolds | SBOC | CYM | W18 | 71:47 |
| 19th | Rachel Collins | SO | ENG | W18 | 77:43 |
| 20th | Jessie Benjamin | BOK | GBR | W18 | 83:25 |