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Flat Marathons in London

Find flat marathons in 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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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
  • £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.

  • 26.2 miles trail running + 600 ft ascent
  • Chip timing
  • Enter online
  • Flat
  • Age 18 & over
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 9 Aug
  • £53-£55
London, 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.

  • 26.2 miles trail running + 600 ft ascent
  • Chip timing
  • Enter online
  • Flat
  • Age 18 & over
Run 'The world's most scenic marathon' through London's greenest borough including Richmond Bridge and the Tow Path. Start inside the Kew Gardens with family fun music festival to finish!
  • Sun 13 Sep
  • £49.50-£56.50
Richmond, UK

Richmond Marathon

Run 'The world's most scenic marathon' through London's greenest borough including Richmond Bridge and the Tow Path. Start inside the Kew Gardens with family fun music festival to finish!

  • 26.2 miles road running + 160 m ascent
  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 18 & over
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 4 Oct
  • £53-£55
London, UK

Thames Meander Autumn | 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.

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

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