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Trail Half marathons in London in October 2025

Find trail half marathons in London in October 2025 - 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 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

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