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Marathons in Greater London in October 2025

Find marathons near me in Greater London in October 2025 - search by date or place, 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 5 Oct 2025
  • £53-£55
  • Sun 5 Oct 2025
  • £53-£55
Richmond, 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.

  • Chip timing
  • Enter online
  • Flat
  • Age 18 & over
  • 26.2 miles trail running
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 5 Oct 2025
  • £43-£45
  • Sun 5 Oct 2025
  • £43-£45
Richmond, UK

Thames Meander Autumn | 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

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