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Trail Half marathons in Greater London

Find trail half marathons in Greater London in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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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!
  • Sun 29 Nov
  • £25-£35
Richmond

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!

  • 13.1 miles trail running
  • Chip timing
  • Enter online
  • Flat
  • Age 17 & over
  • Sun 17 May
  • £29-£35
Chislehurst

The Maypole Project Chislehurst Half Marathon

  • 13.1 miles multi terrain running
  • Sun 23 Aug
  • £48-£50
Richmond

Richmond Park Half Marathon and Marathon | Half Marathon

  • 13.1 miles trail running + 593 ft ascent

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