4.430km 90m
| Pos | No. | Name | Club | Country | Age Class | Time |
|---|---|---|---|---|---|---|
| 1 | 343 | Charlotte Watson | WCOC | GBR | W18 | 35:19 |
| 2 | 342 | Sophie Kirk | OD | GBR | W18 | 37:59 |
| 3 | 357 | Kirstin Maxwell | RR | GBR | W18 | 38:56 |
| 4 | 344 | Katrin Harding | SROC | GBR | W18 | 39:45 |
| 5 | 358 | Isla Simmons | BOK | GBR | W18 | 41:14 |
| 5= | 360 | Kirsty Coombs | MAROC | GBR | W18 | 41:14 |
| 7 | 387 | Pavla Mrazova | SK Kamenice | CZE | W18 | 41:21 |
| 8 | 349 | Jo Shepherd | INVOC | GBR | W18 | 41:26 |
| 9 | 338 | Linn Kristine Gjesdal | Varegg Norway | NOR | W18 | 43:46 |
| 10 | 346 | Charlotte Ward | HALO | GBR | W18 | 44:01 |
| 11 | 391 | Rachel Collins | SO | GBR | W18 | 44:19 |
| 12 | 353 | Bryony Harding | HH | GBR | W18 | 44:52 |
| 13 | 359 | Jenny Evans | NOC | GBR | W18 | 45:15 |
| 14 | 361 | Delyth Darlington | ERYRI | GBR | W18 | 45:45 |
| 15 | 384 | Alice Campbell | CHIG | GBR | W18 | 46:07 |
| 16 | 386 | Cerys Jones | AIRE | GBR | W18 | 46:48 |
| 17 | 354 | Maiken Norsted Kildebo | Halden SK | NOR | W18 | 47:16 |
| 18 | 350 | Froya Hauan Andersen | Halden SK | NOR | W18 | 47:17 |
| 19 | 356 | Alice Fellbaum | MDOC | GBR | W18 | 48:40 |
| 20 | 390 | Emma Kettley | OD | GBR | W18 | 53:18 |
| 21 | 385 | Laura Parkes | HH | GBR | W18 | 54:26 |
| 22 | 382 | Sophie Louth | WAOC | GBR | W18 | 58:39 |
| dnf | 379 | Sophie Davie | SARUM | GBR | W18 |