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Marathons in London in March 2026

Find 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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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 runner support.
  • Sun 8 Mar 2026
  • £53-£55
London, UK

Thames Meander Spring | 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 runner support.

  • Chip timing
  • Enter online
  • Flat
  • Age 18 & over
  • 26.2 miles trail running + 600 ft ascent

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