3.9km 65m
| Pos | No. | Name | Club/Country | Age Class | Time | Behind |
|---|---|---|---|---|---|---|
| 1st | 2043 | Sven Kehrle | OLG Säuliamt (SUI) | M12 | 28:37 | |
| 2nd | 1728 | Ben Gostick | HH (GBR) | M12 | 31:01 | +2:24 |
| 3rd | 2286 | Adam Methven | BKO (GBR) | M12 | 31:25 | +2:48 |
| 4th | 1868 | Tommy Heap | SO (GBR) | M12 | 34:33 | +5:56 |
| 5th | 2399 | Jake O'Donnell | DVO (GBR) | M12 | 34:58 | +6:21 |
| 6th | 2543 | Oliver Prince | SOS (GBR) | M12 | 35:33 | +6:56 |
| 7th | 1574 | William Ellis | PFO (GBR) | M12 | 35:34 | +6:57 |
| 8th | 2586 | Conrad Reuber | SYO (GBR) | M12 | 35:49 | +7:12 |
| 9th | 2483 | Arthur Perrin | NOSE (FRA) | M12 | 37:20 | +8:43 |
| 10th | 2852 | Wilfrid Teasdale | WCOC (GBR) | M12 | 38:22 | +9:45 |
| 11th | 2658 | Thomas Ross | INT (GBR) | M12 | 38:45 | +10:08 |
| 12th | 2810 | Theo Steventon-Barnes | SUFFOC (GBR) | M12 | 39:27 | +10:50 |
| 13th | 2109 | Harrington Leake | LEI (GBR) | M12 | 39:41 | +11:04 |
| 14th | 2135 | Jamie Lightfoot | SYO (GBR) | M12 | 40:51 | +12:14 |
| 15th | 1061 | Axel Balck | Täby OK (SWE) | M12 | 43:25 | +14:48 |
| 16th | 1987 | Drew Jamieson | (GBR) | M12 | 44:38 | +16:01 |
| 17th | 2677 | Benedict Sanderson | NATO (GBR) | M12 | 45:20 | +16:43 |
| 18th | 1190 | Eskil Brænden | Lillomarka OL (NOR) | M12 | 46:46 | +18:09 |
| 19th | 1438 | Jonathan Cunnane | TVOC (GBR) | M12 | 46:48 | +18:11 |
| 20th | 1096 | Samuel Bartlett | INT (GBR) | M12 | 46:53 | +18:16 |
| 21st | 1352 | Ben Clarke | SUFFOC (GBR) | M12 | 51:22 | +22:45 |
| 22nd | 2877 | James Thompson | HOC (GBR) | M12 | 51:36 | +22:59 |
| 23rd | 1636 | Finley Flippance | OD (GBR) | M12 | 52:43 | +24:06 |
| 24th | 1337 | Thomas Chapple | OD (GBR) | M12 | 52:57 | +24:20 |
| 25th | 2449 | Ben Partridge | SOS (GBR) | M12 | 54:21 | +25:44 |
| 26th | 2306 | Arthur Mitchell | HOC (GBR) | M12 | 55:06 | +26:29 |
| w12 | 2993 | Dominic Wathey | MDOC (GBR) | M12 | 44:38 |