10
Trail Half marathons in London
Find trail half marathons in London in 2025/2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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- Sat 29 Nov
- £30-£35
Richmond, UK
London Richmond Riverside MoRun | Half Marathon
MoRunning brings everyday people together with the focus being to inspire you, your family, your kids and your friends to have the best time running! Get ready for the half marathon, London!
- Chip timing
- Enter online
- Flat
- Age 17 & over
- 13.1 miles trail running + 40 m ascent
- Sun 12 Oct
Richmond, UK
The Richmond Autumn Riverside 10K and Half Marathon Run | Half Marathon
- 13.1 miles multi terrain running
- Sun 19 Oct
Richmond, UK
Richmond Park October 5K, 10K and Half Marathon | Half Marathon
- 13.1 miles multi terrain running
- Sat 25 Oct
London, UK
Epping Forest Wildwood Trail Series Half Marathon and 10K
- 10K run
- CaniCross 2
- Half marathon
- Sun 14 Dec
Richmond, UK
Richmond Park December 5K, 10K and Half Marathon | Half Marathon
- 13.1 miles multi terrain running