3.410km 75m
| Pos | No. | Name | Club | Country | Age Class | Time |
|---|---|---|---|---|---|---|
| 1 | 1393 | Catherine Cherry | AYROC | GBR | W18 | 41:31 |
| 2 | 3432 | Alana Wright | CLOK | GBR | W18 | 43:40 |
| 3 | 1622 | Helen Elkington | OD | GBR | W18 | 44:09 |
| 4 | 1925 | Rosemary Hartmann | HOC | GBR | W18 | 51:18 |
| 5 | 3209 | Rebecca Thornton | MDOC | GBR | W18 | 51:36 |
| 6 | 2931 | Tabita Rueegg | OLG Welsikon | SUI | W18 | 52:18 |
| 7 | 2624 | Eilidh Nolan | ESOC | GBR | W18 | 57:28 |
| 8 | 3461 | Samantha Vincent | DVO | GBR | W18 | 57:46 |
| 9 | 1035 | Carolyn Andrews | CHIG | GBR | W18 | 58:32 |
| 10 | 1012 | Jessica Addison | DVO | GBR | W18 | 58:56 |
| 11 | 3462 | Emma Vincent | DVO | GBR | W18 | 63:21 |
| 12 | 2974 | Angharad Scarf | EPOC | GBR | W18 | 75:34 |
| 13 | 2086 | Hannah Irvine | DEE | GBR | W18 | 105:47 |
| mp | 1907 | Amber Harris | HALO | GBR | W18 | 70:08 |