8.4km 225m
| Pos | No. | Name | Club/Country | Age Class | Time | Behind |
|---|---|---|---|---|---|---|
| Championship time 62:31 | ||||||
| Gold time 65:09 | ||||||
| 1st | 3136 | Reuben Vasey | DEVON (GBR) | M18 | 68:31 | |
| 2nd | 1770 | Ben Goodwin | WCOC (GBR) | M18 | 72:48 | +4:17 |
| 3rd | 2348 | James McCann | MDOC (GBR) | M18 | 75:16 | +6:45 |
| 4th | 1266 | Alfie Bullus | OD (GBR) | M18 | 75:44 | +7:13 |
| 5th | 2891 | Quinlan Silk | SWOC (GBR) | M18 | 77:02 | +8:31 |
| 6th | 2774 | Alex Robinson | CLARO (GBR) | M18 | 77:21 | +8:50 |
| Silver time 78:11 | ||||||
| 7th | 2514 | Alex O'Donovan | LOC (GBR) | M18 | 81:20 | +12:49 |
| 8th | 2343 | Josh M'Caw | HH (GBR) | M18 | 82:37 | +14:06 |
| 9th | 2978 | Ben Stevens | DEVON (GBR) | M18 | 84:37 | +16:06 |
| 10th | 2208 | Samuel Leitch | SO (GBR) | M18 | 85:37 | +17:06 |
| 11th | 2712 | Alasdair Raynor | INVOC (GBR) | M18 | 85:54 | +17:23 |
| 12th | 1414 | James Condon | DEVON (GBR) | M18 | 87:05 | +18:34 |
| 13th | 2437 | Louis Morris | WCOC (GBR) | M18 | 89:25 | +20:54 |
| 14th | 1245 | Ben Brown | ESOC (GBR) | M18 | 91:33 | +23:02 |
| 15th | 2230 | Alasdair Lilley | ECKO (GBR) | M18 | 94:15 | +25:44 |
| 16th | 2880 | Ewan Shearer | ECKO (GBR) | M18 | 98:46 | +30:15 |
| Bronze time 104:14 | ||||||
| 17th | 1109 | Thomas Bartram | NOR (GBR) | M18 | 120:30 | +51:59 |