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Marathons in Greater London in August 2025

Find marathons near me in Greater London in August 2025 - filter by date or location, 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.
  • Sat 9 Aug
  • £53-£55
  • Sat 9 Aug
  • £53-£55
Richmond, UK

Thames Meander Summer | 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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