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Half marathons in Greater London in September 2025

Find half marathons near me in Greater London in September 2025 - search by date or place, display on a map or use the advanced search to find your perfect race.

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London's flattest half marathon through its greenest borough exploring the beauties and history of Richmond. Start inside the Kew Gardens with family fun music festival to finish!
  • Sun 14 Sep 2025
  • £40-£52.50
  • Sun 14 Sep 2025
  • £40-£52.50
Richmond, UK

Richmond RUNFEST Half Marathon

London's flattest half marathon through its greenest borough exploring the beauties and history of Richmond. Start inside the Kew Gardens with family fun music festival to finish!

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 17 & over
  • 13.1 miles road running

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