7.1km 315m
| Pos | No. | Name | Club | Country | Age Class | Time | Behind |
|---|---|---|---|---|---|---|---|
| 1st | 2910 | Eilidh Campbell | MAROC | GBR |
W18 | 51:15 | |
| 2nd | 2490 | Megan Keith | INVOC | SCO |
W18 | 53:44 | +2:29 |
| 3rd | 3077 | Lizzie Stansfield | FVO | GBR |
W18 | 56:18 | +5:03 |
| 4th | 2003 | Alice Wilson | CLYDE | SCO |
W18 | 57:17 | +6:02 |
| 5th | 1996 | Mairi Eades | INT | GBR |
W18 | 58:02 | +6:47 |
| 6th | 2909 | Kirsty Campbell | MAROC | GBR |
W18 | 58:12 | +6:57 |
| 7th | 2758 | Evie Conway | AIRE | GBR |
W18 | 58:51 | +7:36 |
| Championship time 64:04 | |||||||
| 8th | 1450 | Bridget Hall | NEOC | USA |
W18 | 65:23 | +14:08 |
| 9th | 3061 | Ellen Patton | FVO | GBR |
W18 | 65:25 | +14:10 |
| Gold time 65:38 | |||||||
| 10th | 2192 | Laura Harrison | EPOC | GBR |
W18 | 65:43 | +14:28 |
| 11th | 3769 | Lily Regan | WCOC | GBR |
W18 | 68:08 | +16:53 |
| 12th | 2567 | Sophie Jones | HH | GBR |
W18 | 69:40 | +18:25 |
| 13th | 2886 | Mairi Weir | MOR | GBR |
W18 | 71:43 | +20:28 |
| 14th | 2564 | Chloë Cracknell | SUFFOC | GBR |
W18 | 72:31 | +21:16 |
| 15th | 1091 | Isabelle Hodgson | SYO | GBR |
W18 | 74:39 | +23:24 |
| 16th | 1132 | Sarah Pedley | EPOC | ENG |
W18 | 76:17 | +25:02 |
| 17th | 2556 | Jenna Williams | ENG |
W18 | 76:35 | +25:20 | |
| Silver time 78:45 | |||||||
| 18th | 2109 | Saskia Jones | DEE | CYM |
W18 | 83:54 | +32:39 |
| 19th | 3281 | Jordan Pim | WATO | IRL |
W18 | 85:31 | +34:16 |
| 20th | 1258 | Emma Varmavuo | Rajamäen Rykmentti | FIN |
W18 | 87:09 | +35:54 |
| 21st | 1028 | Isabel Hill | DEE | ENG |
W18 | 87:24 | +36:09 |
| 22nd | 1547 | Alexandra Hare | NATO | GBR |
W18 | 89:53 | +38:38 |
| Bronze time 105:00 | |||||||
| 23rd | 2536 | Oriana Riley | DVOA | USA |
W18 | 108:12 | +56:57 |