3km 45m
| Pos | Name | Club/Country | Age Class | Time |
|---|---|---|---|---|
| 1st= | Alex Carcas | Halden SK (NOR) (GBR) | M18 | 16:42 |
| 1st= | Kasper Fosser | Heming Orientering, Norge (NOR) | M18 | 16:42 |
| 3rd | Harrison McCartney | OD (GBR) | M18 | 16:50 |
| 4th | Eddie Narbett | BOK (GBR) | M18 | 17:50 |
| 5th | Jack Leitch | SO (GBR) | M18 | 18:15 |
| 6th | Matthew Fellbaum | MDOC (GBR) | M18 | 18:20 |
| 7th | Freddie Carcas | INT (GBR) | M18 | 18:35 |
| 8th | Finn Lydon | LEI (GBR) | M18 | 18:40 |
| 9th | Alasdair Pedley | EPOC (GBR) | M18 | 18:45 |
| 10th | William Reynolds | SBOC (GBR) | M18 | 19:57 |
| 11th | James Ackland | INT (GBR) | M18 | 20:01 |
| 12th | Tim Harrison | SUFFOC (GBR) | M18 | 20:09 |
| 13th | Tom Lines | ECKO (GBR) | M18 | 20:27 |
| 14th | Ruairi Long | AJAX (IRL) | M18 | 20:34 |
| 15th | Samuel Fielding | HH (GBR) | M18 | 20:38 |
| 16th | Matthew Leitch | SO (GBR) | M18 | 20:45 |
| 17th | Laurence Johnson | SROC (GBR) | M18 | 20:56 |
| 18th | Finlay Todd | INVOC (GBR) | M18 | 21:04 |
| 19th= | Conall Whelan | CNOC (IRL) | M18 | 21:33 |
| 19th= | Zac O'Sullivan-Hourihan | BOC (IRL) | M18 | 21:33 |
| 21st | Callum Hunter | ECKO (GBR) | M18 | 21:42 |
| 22nd | Simen Ballangrud | Raufoss (NOR) (NOR) | M18 | 21:46 |
| 23rd | Jonty Eaton-Hart | DEVON (GBR) | M18 | 21:48 |
| 24th | Alexander Buck | SARUM (GBR) | M18 | 22:10 |
| 25th | Samuel Galloway | INT (GBR) | M18 | 23:06 |
| 26th | Joe Thomas | MWOC (GBR) | M18 | 23:08 |
| 27th | Lachlan Chavasse | DEE (GBR) | M18 | 23:19 |
| 28th | Sturla Frydenlund | IF Sturla (NOR) | M18 | 23:33 |
| 29th | Euan Tebbutt | LEI (GBR) | M18 | 23:45 |
| 30th | Tom Barber | LEI (GBR) | M18 | 23:49 |
| 31st | Dafydd Thomas | MWOC (GBR) | M18 | 23:59 |
| 32nd | Kwun Him Himmy Lau | SLOW (HKG) | M18 | 24:28 |
| 33rd | River Edis-Smith | MDOC (GBR) | M18 | 25:17 |
| 34th | Sverre Narum | OL Vallset/Stange (NOR) | M18 | 25:22 |
| 35th | James Howlett | EBOR (GBR) | M18 | 25:32 |
| 36th | Cameryn Kelly Morrish | Cork O (IRL) | M18 | 25:33 |
| 37th | Tom Snow | DEVON (GBR) | M18 | 26:35 |
| 38th | Harry Jamieson | DEVON (GBR) | M18 | 26:46 |
| 39th | Matthew Hartland | WCH (GBR) | M18 | 26:50 |
| 40th | Nicholas Wilson | LEI (GBR) | M18 | 27:02 |
| 41st | Josh Partridge | SOS (GBR) | M18 | 27:44 |
| 42nd | Dan O'Sullivan | BOC (IRL) | M18 | 28:05 |
| 43rd | Shane Muggeridge | HAVOC (GBR) | M18 | 28:45 |
| 44th | Oliver O'Brien | DEVON (GBR) | M18 | 29:41 |
| 45th | Noah Howlett | LOC (GBR) | M18 | 30:20 |
| 46th | Miles Gilleard | AIRE (GBR) | M18 | 35:18 |
| 47th | Edward Lines | SO (GBR) | M18 | 35:42 |
| w2 | Connor Smith | DEE (GBR) | M18 | 24:20 |
| m12-22 | Nok Him Jeffrey Chan | Diocesan Boys' School OC (HKG) | M18 | 30:13 |
| m17 | Ben Warland | SOS (GBR) | M18 | 37:24 |