5.450km 220m
| Pos | Name | Club | Country | Age Class | Time |
|---|---|---|---|---|---|
| 1st | Julia Blomquist | BAOC | GBR | W20 | 50:40 |
| 2nd | Jo Shepherd | INVOC | GBR | W20 | 51:18 |
| 3rd | Jessica Orr | CLYDE | GBR | W20 | 53:02 |
| 4th | Emma Silvennoinen | Paimion Rasti | FIN | W20 | 53:40 |
| 5th | Kirstin Maxwell | RR | SCO | W20 | 54:11 |
| 6th | Chloe Haines | AIRE | GBR | W20 | 57:36 |
| 7th | Eveliina Hirvonen | Paimion Rasti | FIN | W20 | 57:43 |
| 8th | Alison Campbell | DVOA | USA | W20 | 58:38 |
| 9th | Abi Longhurst | FVO | SCO | W20 | 64:03 |
| 10th | Andy Straka | CUOC | GBR | W20 | 65:19 |
| 11th | Emily Wood | SHUOC | GBR | W20 | 66:58 |
| 12th | Sarah Tullie | RR | SCO | W20 | 67:47 |
| 13th | Charlotte Ward | HALO | GBR | W20 | 69:05 |
| 14th | Lucy Taylor | CLOK | GBR | W20 | 70:26 |
| 15th | Abigail Kerr | BOK | ENG | W20 | 72:03 |
| 16th | Jessica Milne | BOK | GBR | W20 | 79:50 |
| 17th | Laura Parkes | HH | GBR | W20 | 83:05 |
| 18th | Eleanor Owens | DEE | GBR | W20 | 101:49 |