1.925km 100m
| Pos | No. | Name | Club/Country | Age Class | Time | Behind |
|---|---|---|---|---|---|---|
| 1st | 2727 | Conrad Reuber | SYO (GBR) | M12 | 17:00 | |
| 2nd | 2512 | Jake O'Donnell | DVO (GBR) | M12 | 17:56 | +0:56 |
| 3rd | 2681 | Oliver Prince | SOS (GBR) | M12 | 19:30 | +2:30 |
| Championship time 21:15 | ||||||
| 4th | 1216 | Harry Bratcher-Howard | WIM (GBR) | M12 | 21:25 | +4:25 |
| 5th | 3174 | Laurence Ward | INT (GBR) | M12 | 21:38 | +4:38 |
| Gold time 21:50 | ||||||
| 6th | 2164 | Angus Laird | INVOC (GBR) | M12 | 22:55 | +5:55 |
| 7th | 2400 | Arthur Mitchell | HOC (GBR) | M12 | 22:59 | +5:59 |
| 8th | 2790 | Tommy Rollins | SN (GBR) | M12 | 23:43 | +6:43 |
| 9th | 1262 | James Bryant | SYO (GBR) | M12 | 24:45 | +7:45 |
| Silver time 26:12 | ||||||
| 10th | 2985 | Theo Steventon-Barnes | SUFFOC (GBR) | M12 | 27:12 | +10:12 |
| 11th | 2393 | Luke Mills-Hicks | GO (GBR) | M12 | 28:03 | +11:03 |
| 12th | 2018 | Isaac Hunter | WCOC (GBR) | M12 | 28:08 | +11:08 |
| 13th | 3237 | Cian Wickham | Ajax (IRL) | M12 | 34:00 | +17:00 |
| 14th | 2835 | Benedict Sanderson | NATO (GBR) | M12 | 34:18 | +17:18 |
| Bronze time 34:56 | ||||||
| 15th | 1994 | Austin Howe | SAX (GBR) | M12 | 36:12 | +19:12 |
| 16th | 2168 | Freddie Lake | SBOC (GBR) | M12 | 36:14 | +19:14 |
| 17th | 1025 | Finlay Anderson | BOK (GBR) | M12 | 37:26 | +20:26 |
| 18th | 2623 | Ben Perry | DEVON (GBR) | M12 | 45:42 | +28:42 |
| 19th | 3225 | Hugh Whelan | WatO (IRL) | M12 | 57:25 | +40:25 |
| 20th | 3326 | Daragh Young | Fingal (IRL) | M12 | 58:40 | +41:40 |
| 1417 | Jamie Connor | FVO (GBR) | M12 | w10 | ||
| 1365 | Sam Charlesworth | LOC (GBR) | M12 | m4-10 | ||
| 2857 | Noah Seath | LOC (GBR) | M12 | m4-10 | ||