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Trail Half marathons in London in Spring

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

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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.
  • Sun 8 Mar 2026
  • £43-£45
London, UK

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.

  • Chip timing
  • Enter online
  • Flat
  • Age 17 & over
  • 13.1 miles trail running + 300 ft ascent
  • Sun 15 Mar 2026
Richmond, UK

The Richmond Spring Riverside 10K and Half Marathon Run | Half Marathon

  • 13.1 miles trail running
  • Thu 30 Apr - Sun 3 May 2026
London, UK

Run2Paris

  • 4 days multi terrain running

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