6.550km 250m
| Pos | Name | Club | Country | Age Class | Time |
|---|---|---|---|---|---|
| 1st | Jo Shepherd | INVOC | GBR | W20 | 59:17 |
| 2nd | Kirstin Maxwell | RR | SCO | W20 | 61:12 |
| 3rd | Eveliina Hirvonen | Paimion Rasti | FIN | W20 | 62:53 |
| 4th | Emma Silvennoinen | Paimion Rasti | FIN | W20 | 64:14 |
| 5th | Julia Blomquist | BAOC | GBR | W20 | 65:43 |
| 6th | Jessica Orr | CLYDE | GBR | W20 | 70:15 |
| 7th | Charlotte Ward | HALO | GBR | W20 | 74:24 |
| 8th | Alison Campbell | DVOA | USA | W20 | 75:03 |
| 9th | Andy Straka | CUOC | GBR | W20 | 77:54 |
| 10th | Chloe Haines | AIRE | GBR | W20 | 80:04 |
| 11th | Abigail Kerr | BOK | ENG | W20 | 83:08 |
| 12th | Sarah Tullie | RR | SCO | W20 | 83:12 |
| 13th | Harriet Batten | OD | ENG | W20 | 93:37 |
| 14th | Jessica Milne | BOK | GBR | W20 | 94:35 |
| 15th | Emily Wood | SHUOC | GBR | W20 | 95:20 |
| 16th | Laura Parkes | HH | GBR | W20 | 97:00 |
| 17th | Lucy Taylor | CLOK | GBR | W20 | 97:03 |
| 18th | Eleanor Owens | DEE | GBR | W20 | 97:47 |
| 19th | Charlotte Rogers | OD | GBR | W20 | 117:47 |
| 20th | Sophie Davie | SARUM | GBR | W20 | 153:48 |
| mp | Abi Longhurst | FVO | SCO | W20 | 46:42 |