3.5km 30m
| Pos | No. | Name | Club/Country | Age Class | Time | Behind |
|---|---|---|---|---|---|---|
| 1st | 228 | Jake O'Donnell | DVO (GBR) | M12 | 19:05 | |
| 2nd | 1594 | Elmin Hovmöller | Söders-Tyresö (SWE) | M12 | 22:32 | +3:27 |
| 3rd | 2199 | Conrad Reuber | SYO (GBR) | M12 | 23:28 | +4:23 |
| 4th | 1927 | Ben Perry | DEVON (GBR) | M12 | 23:33 | +4:28 |
| Championship time 23:51 | ||||||
| 5th | 1784 | Laurence Ward | INT (GBR) | M12 | 26:03 | +6:58 |
| Gold time 26:36 | ||||||
| 6th | 44 | Tommy Rollins | SN (GBR) | M12 | 26:51 | +7:46 |
| 7th | 918 | Benedict Sanderson | NATO (GBR) | M12 | 28:12 | +9:07 |
| 8th | 1246 | Theo Steventon-Barnes | SUFFOC (GBR) | M12 | 28:36 | +9:31 |
| 9th | 2072 | Joel Atkinson | ELO (GBR) | M12 | 28:56 | +9:51 |
| 10th | 149 | Harry Bratcher-Howard | WIM (GBR) | M12 | 29:07 | +10:02 |
| 11th | 1108 | Isaac Hunter | WCOC (GBR) | M12 | 30:13 | +11:08 |
| 12th | 1902 | Austin Howe | SAX (GBR) | M12 | 31:34 | +12:29 |
| Silver time 31:56 | ||||||
| 13th | 15 | Fergus Kenyon | MOR (GBR) | M12 | 35:28 | +16:23 |
| Bronze time 42:34 | ||||||
| 14th | 1512 | Javier Mármol Rosales | Montellano-O (ESP) | M10 | 44:25 | +25:20 |
| 15th | 1508 | Marco Rodríguez Rodríguez | Montellano-O (ESP) | M12 | 48:10 | +29:05 |
| 16th | 1030 | Ivan Smith | DVO (GBR) | M12 | 52:37 | +33:32 |
| 17th | 273 | Matthew McCreadie | DEE (GBR) | M12 | 69:26 | +50:21 |
| 127 | Matthew Green | NATO (GBR) | M12 | m12 | ||