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Runs in Greater London in March 2026

Find runs in Greater London in March 2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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Select an event for photos, video, route, location, reviews, entry fees and how to enter.

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 22 Mar
  • £32-£34
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.

  • 20 miles road running + 738 ft ascent
  • Beginner-friendly
  • Chip timing
  • Enter online
  • Hilly
  • Event village
  • Age 18 & over
Entries closed
Kew The Run starts and finishes in the beautiful Royal Botanical Gardens, Kew, where runners (and four supporters) get free entry into the gardens, a fantastic medal and tech t-shirt!
  • Sat 28 - Sun 29 Mar
  • FREE-£47
Richmond, UK

Uber Boat by Thames Clippers Kew The Run

Kew The Run starts and finishes in the beautiful Royal Botanical Gardens, Kew, where runners (and four supporters) get free entry into the gardens, a fantastic medal and tech t-shirt!

  • 10K run
  • Half marathon
  • Families
  • Venue accessible
  • Recycling
  • Beginner-friendly
  • Entertainment
  • Music
  • Fancy dress
  • Event village
  • Park
  • Free venue entry
  • Public transport links
  • Age 15 & over
  • Sun 22 Mar
  • £33-£35
Richmond, UK

Thames Riverside 20

  • 20 miles trail running

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