15

Flat Trail runs in London

Find flat trail runs 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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Select an event for photos, video, route, location, reviews, entry fees and how to enter.

Previously rated one of the top 10 UK marathons by Runners World! Stunningly scenic riverside routes along the Thames towpath. Flat, fast and very runnable with great support, medal and photo.
  • Sun 8 Mar 2026
  • £33-£55
London, UK

Thames Meander Spring

Previously rated one of the top 10 UK marathons by Runners World! Stunningly scenic riverside routes along the Thames towpath. Flat, fast and very runnable with great support, medal and photo.

  • Beginner-friendly
  • Event village
  • Urban
  • Age 17 & over
  • 10K run
  • Half marathon
  • Marathon
Previously rated one of the top 10 UK marathons by Runners World! Stunningly scenic riverside routes along the Thames towpath. Flat, fast and very runnable with great support, medal and photo.
  • Sun 9 Aug 2026
  • £33-£55
London, UK

Thames Meander Summer

Previously rated one of the top 10 UK marathons by Runners World! Stunningly scenic riverside routes along the Thames towpath. Flat, fast and very runnable with great support, medal and photo.

  • Beginner-friendly
  • Event village
  • Urban
  • Age 17 & over
  • 10K run
  • Half marathon
  • Marathon
Previously rated one of the top 10 UK marathons by Runners World! Stunningly scenic riverside routes along the Thames towpath. Flat, fast and very runnable with great support, medal and photo.
  • Sun 4 Oct 2026
  • £33-£55
London, UK

Thames Meander Autumn

Previously rated one of the top 10 UK marathons by Runners World! Stunningly scenic riverside routes along the Thames towpath. Flat, fast and very runnable with great support, medal and photo.

  • Beginner-friendly
  • Event village
  • Urban
  • Age 17 & over
  • 10K run
  • Half marathon
  • Marathon
  • Sun 15 Mar 2026
Richmond, UK

The Richmond Spring Riverside 10K and Half Marathon Run

  • 10K run
  • Half marathon
  • Fri 11 - Sun 13 Sep 2026
London, UK

Thames Path Ultra Challenge

  • 100K ultra run 2
  • 50K ultra run 2
  • Trail run 4
  • Charity walk 4
  • Ultra run
  • + 1 more race

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