4.600km 175m
| Pos | No. | Name | Club | Age Class | Time |
|---|---|---|---|---|---|
| 1 | 1613 | Joanna Shepherd | INVOC | W18 | 39:19 |
| 2 | 1367 | Kirstin Maxwell | RR | W18 | 42:16 |
| 3 | 1357 | Fiona Claxton | NOC | W18 | 45:05 |
| 4 | 1721 | Abi Longhurst | FVO | W18 | 45:46 |
| 5 | 1696 | Kirsty Coombs | MAROC | W18 | 45:57 |
| 6 | 1226 | Sophie Kirk | OD | W18 | 46:45 |
| 7 | 714 | Charlotte Ward | HALO | W18 | 46:47 |
| 8 | 1633 | Sarah Tullie | RR | W18 | 50:37 |
| 9 | 1888 | Sophie Horrocks | PFO | W18 | 52:48 |
| 10 | 412 | Rachel Collins | SO | W18 | 54:36 |
| 11 | 632 | Delyth Darlington | ERYRI | W18 | 56:08 |
| 12 | 936 | Harriet Batten | OD | W18 | 60:17 |
| 13 | 1210 | Anais Eudier | COBS | W18 | 60:35 |
| 14 | 1520 | Jessica Milne | BOK | W18 | 62:57 |
| 15 | 111 | Stephanie Bryant | MDOC | W18 | 62:58 |
| 16 | 1421 | Cerys Jones | BARRO | W18 | 68:36 |
| 17 | 422 | Emily Wood | AIRE | W18 | 69:19 |
| 18 | 1003 | Eleanor Owens | DEE | W18 | 84:16 |
| 19 | 1532 | Carys James | SMOC | W18 | 116:36 |