11.7km 315m
| Pos | No. | Name | Club/Country | Age Class | Time | Behind |
|---|---|---|---|---|---|---|
| 1st | 401 | Alastair Thomas | WCOC (GBR) | M18 | 71:05 | |
| 2nd | 404 | Daniel Spencer | WCOC (GBR) | M18 | 71:26 | +0:21 |
| 3rd | 409 | Joseph Wright | MAROC (GBR) | M18 | 75:13 | +4:08 |
| 4th | 418 | David Bunn | TVOC (GBR) | M18 | 78:35 | +7:30 |
| 5th | 426 | Dominic Dakin | SYO (GBR) | M18 | 82:31 | +11:26 |
| 6th | 424 | Felix Wilson | MAROC (GBR) | M18 | 83:20 | +12:15 |
| 7th | 417 | Tom Wood | ERYRI (GBR) | M18 | 83:56 | +12:51 |
| 8th | 463 | Angus Harrington | HH (GBR) | M18 | 84:23 | +13:18 |
| 9th | 425 | Elias Sørensen | Lillomarka OL (NOR) | M18 | 86:27 | +15:22 |
| 10th | 423 | Harry Fox | DEVON (GBR) | M18 | 86:30 | +15:25 |
| 11th | 416 | Stanley Heap | SO (GBR) | M18 | 86:43 | +15:38 |
| 12th | 422 | Alistair Chapman | MAROC (GBR) | M18 | 87:04 | +15:59 |
| 13th | 429 | Harry Scott | LOC (GBR) | M18 | 88:32 | +17:27 |
| Championship time 88:51 | ||||||
| 14th | 437 | Harry McMurtrie | DEVON (GBR) | M18 | 90:40 | +19:35 |
| Gold time 90:44 | ||||||
| 15th | 440 | Luke Graham | MAROC (GBR) | M18 | 91:50 | +20:45 |
| 16th | 438 | Ben Breeze | WCOC (GBR) | M18 | 93:42 | +22:37 |
| 17th | 433 | John Getliff | MAROC (GBR) | M18 | 93:49 | +22:44 |
| 18th | 447 | Daniel Weaver | DEE (GBR) | M18 | 94:46 | +23:41 |
| 19th | 439 | Thomas Howell | SN (GBR) | M18 | 97:25 | +26:20 |
| 20th | 467 | Ryan Elliot | SYO (GBR) | M18 | 98:16 | +27:11 |
| 21st | 444 | William Thomas | MWOC (GBR) | M18 | 102:08 | +31:03 |
| 22nd | 466 | Andrew Elwood | LVO (GBR) | M18 | 102:17 | +31:12 |
| 23rd | 452 | Evan Bowers | HH (GBR) | M18 | 102:43 | +31:38 |
| 24th | 436 | Ethan Tebbutt | LEI (GBR) | M18 | 103:33 | +32:28 |
| 25th | 455 | Steven Denby | NOR (GBR) | M18 | 106:23 | +35:18 |
| 26th | 434 | Matthew Clarke | SUFFOC (GBR) | M18 | 107:31 | +36:26 |
| 27th | 459 | Logan McIntyre | INT (GBR) | M18 | 107:58 | +36:53 |
| Silver time 108:53 | ||||||
| 28th | 461 | Dominic Walker | DEVON (GBR) | M18 | 111:10 | +40:05 |
| 29th | 445 | George Van Dam | HALO (GBR) | M18 | 113:31 | +42:26 |
| 30th | 453 | Max Bloor | INT (GBR) | M18 | 113:48 | +42:43 |
| 31st | 457 | Tim Dalheimer | IK Vikings OK (SWE) | M18 | 119:58 | +48:53 |
| 32nd | 456 | Aidan McCullough | 3ROC (IRL) | M18 | 120:28 | +49:23 |
| Bronze time 145:10 | ||||||
| 414 | Zac Hudd | WCOC (GBR) | M18 | w21 | ||
| 446 | Joseph Goodwin | WCOC (GBR) | M18 | w21 | ||
| 469 | Eoin Riordan | 3ROC (IRL) | M18 | m20-26 | ||
| 449 | Thomas Aspin | CLOK (GBR) | M18 | rtd | ||