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Marathons in London in March 2025

Find marathons near me in London in March 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 9 Mar 2025
  • £53-£55
  • Sun 9 Mar 2025
  • £53-£55
Richmond, 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
The Hillingdon 20, (formerly the Finchley 20), is the longest-running 20-mile race in the UK. A hilly 20 mile road race, an ideal build-up to the London or other spring marathons.
  • Sun 23 Mar 2025
  • £28-£30
  • Sun 23 Mar 2025
  • £28-£30
Ruislip, UK

Hillingdon 20

The Hillingdon 20, (formerly the Finchley 20), is the longest-running 20-mile race in the UK. A hilly 20 mile road race, an ideal build-up to the London or other spring marathons.

  • Newcomers
  • Chip timing
  • Enter online
  • Hilly
  • Event village
  • Age 18 & over
  • 20 miles road running

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