3.075km 60m
| Pos | Name | Club | Country | Age Class | Time |
|---|---|---|---|---|---|
| 1st | Rowan White | INVOC | GBR | M12 | 22:31 |
| 2nd | Lachlan Chavasse | DEE | GBR | M12 | 22:56 |
| 3rd | James Ackland | INT | GBR | M12 | 23:01 |
| 4th | JøRgen Baklid | Konnerud IL | NOR | M12 | 23:33 |
| 5th | Callum Hunter | ECKO | GBR | M12 | 23:51 |
| 6th | Alastair Thomas | WCOC | GBR | M12 | 24:12 |
| 7th | Finlay Todd | INVOC | GBR | M12 | 24:18 |
| 8th | Zac Hudd | BOK | GBR | M12 | 24:28 |
| 9th | LiéVin Crefcoeur | TAD | BEL | M12 | 25:33 |
| 10th | Joseph Wright | MAROC | GBR | M12 | 25:50 |
| 11th | Alasdair Pedley | EPOC | GBR | M12 | 26:02 |
| 12th | Eoghan Knight | LVO | IRL | M12 | 26:27 |
| 13th | Jake Chapman | MAROC | GBR | M12 | 26:51 |
| 14th | Louis Forshaw-Perring | DVO | GBR | M12 | 27:22 |
| 15th | Aslak Heimdal | Konnerud IL | NOR | M12 | 27:38 |
| 16th | Ruairi Long | AJAX | IRL | M12 | 28:31 |
| 17th | Thomas Jarvis | SO | GBR | M12 | 28:38 |
| 18th | James Dean | DEVON | GBR | M12 | 30:06 |
| 19th | Freddie Carcas | INT | GBR | M12 | 30:27 |
| 20th | Ciaran Kearns | Fingal | IRL | M12 | 32:05 |
| 21st | Joe Uprichard | DVO | GBR | M12 | 32:21 |
| 22nd | Viking Freij | Snattringe SK | SWE | M12 | 33:00 |
| 23rd | Mattias Kallhauge | Snattringe SK | SWE | M12 | 34:31 |
| 24th | Charlie Butterworth | LOC | GBR | M12 | 38:30 |
| 25th | Thomas Edmonds | LOC | GBR | M12 | 39:11 |
| 26th | Dara O'Cleirigh | AJAX | IRL | M12 | 43:15 |
| 27th | Cameryn Kelly Morrish | BVOC | IRL | M12 | 50:36 |
| 28th | Joseph Delaney | CNOC | IRL | M12 | 51:11 |