1.8km 90m
| Pos | No. | Name | Club/Country | Age Class | Time | Behind |
|---|---|---|---|---|---|---|
| 1st | 1594 | Elmin Hovmöller | Söders-Tyresö (SWE) | M12 | 17:38 | |
| 2nd | 228 | Jake O'Donnell | DVO (GBR) | M12 | 17:43 | +0:05 |
| 3rd | 1246 | Theo Steventon-Barnes | SUFFOC (GBR) | M12 | 21:01 | +3:23 |
| 4th | 2199 | Conrad Reuber | SYO (GBR) | M12 | 21:22 | +3:44 |
| Championship time 22:09 | ||||||
| Gold time 24:13 | ||||||
| 5th | 918 | Benedict Sanderson | NATO (GBR) | M12 | 26:47 | +9:09 |
| 6th | 1784 | Laurence Ward | INT (GBR) | M12 | 28:28 | +10:50 |
| Silver time 29:03 | ||||||
| 7th | 149 | Harry Bratcher-Howard | WIM (GBR) | M12 | 32:37 | +14:59 |
| 8th | 1902 | Austin Howe | SAX (GBR) | M12 | 32:40 | +15:02 |
| 9th | 2072 | Joel Atkinson | ELO (GBR) | M12 | 33:14 | +15:36 |
| 10th | 44 | Tommy Rollins | SN (GBR) | M12 | 35:15 | +17:37 |
| 11th | 127 | Matthew Green | NATO (GBR) | M12 | 35:40 | +18:02 |
| 12th | 1108 | Isaac Hunter | WCOC (GBR) | M12 | 37:42 | +20:04 |
| Bronze time 38:44 | ||||||
| 13th | 15 | Fergus Kenyon | MOR (GBR) | M12 | 39:25 | +21:47 |
| 14th | 1927 | Ben Perry | DEVON (GBR) | M12 | 51:53 | +34:15 |
| 15th | 273 | Matthew McCreadie | DEE (GBR) | M12 | 62:28 | +44:50 |