Trail Half marathons in London in March 2026
Find trail half marathons in London in March 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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- Sun 8 Mar
- £43-£45
Thames Meander Spring | Half Marathon
Stunningly scenic riverside route along the Thames towpath. Flat, fast and very runnable with great runner support. The marathon on the same day was previously rated one of the top 10 UK marathons.
- 13.1 miles trail running + 300 ft ascent
- Sun 15 Mar
- £30-£35
The Richmond Spring Riverside 10K and Half Marathon Run | Half Marathon
- 13.1 miles trail running