2.560km 70m
| Pos | No. | Name | Club | Country | Age Class | Time |
|---|---|---|---|---|---|---|
| 1 | 1301 | Fiona Bunn | TVOC | GBR | W12 | 27:26 |
| 2 | 1161 | Megan Bett | SN | GBR | W12 | 35:07 |
| 3 | 2431 | Abigail Mason | MAROC | GBR | W12 | 36:20 |
| 4 | 3399 | Emma Wilson | CLYDE | GBR | W12 | 36:29 |
| 5 | 1007 | Louise Adams | SYO | GBR | W12 | 38:48 |
| 6 | 1703 | Ciara Fitzgerald | Cork O | IRL | W12 | 38:55 |
| 7 | 2796 | Chloe Potter | BOK | GBR | W12 | 39:29 |
| 8 | 2218 | Laura King | AIRE | GBR | W12 | 40:07 |
| 9 | 3032 | Kate Skinner | WCOC | GBR | W12 | 40:24 |
| 10 | 1963 | Catherine Hemingway | WAOC | GBR | W12 | 41:15 |
| 11 | 1855 | Lucy Haines | AIRE | GBR | W12 | 45:47 |
| 12 | 3373 | Rebecca Whittingham | WIM | GBR | W12 | 47:03 |
| 13 | 1688 | Yasmin Field | SYO | GBR | W12 | 52:14 |
| 14 | 2639 | Annie Ockenden | SROC | GBR | W12 | 52:19 |
| 15 | 1781 | Rosie Getliff | MAROC | GBR | W12 | 52:32 |
| 16 | 1478 | Heather Craig | WCH | GBR | W12 | 54:39 |
| 17 | 2008 | Laura Hindle | MDOC | GBR | W12 | 58:23 |
| 18 | 1918 | Megan Harrison | EPOC | GBR | W12 | 65:36 |
| 19 | 1080 | Holly Avis | AIRE | GBR | W12 | 68:22 |
| 20 | 2401 | Bronwen Mansel | SUFFOC | GBR | W12 | 73:25 |
| 21 | 3342 | Charlotte Webster | NOC | GBR | W12 | 76:23 |
| 22 | 1633 | Evelyn Elmes | DEE | GBR | W12 | 77:37 |
| 23 | 2638 | Norah O'Brien | Cork O | IRL | W12 | 83:02 |
| 24 | 1560 | Jenny Dickin | SOC | GBR | W12 | 86:15 |
| 25 | 2661 | Rosemary Ogden | MDOC | GBR | W12 | 107:55 |
| mp | 2868 | Megan Ricketts | MAROC | GBR | W12 | 46:49 |
| mp | 2180 | Emily Keenan | QO | GBR | W12 | 181:35 |