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Multi-terrain runs in West Sussex

Find multi-terrain runs in West Sussex in 2025/2026 - 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.

Be part of the action! The Mid Sussex Marathon Weekend returns for it’s 15th year in 2026. This unique sell-out Bank Holiday weekend event has something for everyone.
  • Sat 2 - Mon 4 May 2026
  • £6-£69
Burgess Hill, West Sussex, UK

Mid Sussex Marathon Weekend

Be part of the action! The Mid Sussex Marathon Weekend returns for it’s 15th year in 2026. This unique sell-out Bank Holiday weekend event has something for everyone.

  • Families
  • Beginner-friendly
  • Fancy dress
  • Event village
  • All ages
  • 10 miler 2
  • 10K run
  • Marathon 2
  • Fun run 6
  • Multi-terrain run
Take on a challenge fit for royalty in this epic ultramarathon along the South Downs Way and Monarch’s Way. Choose from two unique 50km loops – or tackle both in a non-stop 100km challenge!
  • Sat 20 Jun 2026
  • £60-£175
Chichester, West Sussex, UK

Race to the King

Take on a challenge fit for royalty in this epic ultramarathon along the South Downs Way and Monarch’s Way. Choose from two unique 50km loops – or tackle both in a non-stop 100km challenge!

  • Recycling
  • Beginner-friendly
  • Entertainment
  • Music
  • Event village
  • Park
  • Rural
  • Free venue entry
  • Sustainability policy
  • Public transport links
  • Age 18 & over
  • 100K ultra run
  • 50K ultra run 2
  • Trail run
  • Ultra run
  • Sun 3 May 2026
Lancing, West Sussex, UK

Three Forts Challenge

  • Trail run
  • Half marathon
  • Marathon
  • Sat 19 - Sun 20 Sep 2026
Horsham, West Sussex, UK

Tough Mudder London South

  • Obstacle race 4
  • Sun 27 Sep 2026
Horsham, West Sussex, UK

Run Barns Green | Kids Colour Run

  • 500 m multi terrain running

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