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Multi-terrain runs in West Sussex

Find multi-terrain runs in West Sussex in 2026/2027 - 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
  • £7-£75
Burgess Hill, West Sussex

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.

  • 10 miler 2
  • 10K run
  • Marathon 2
  • Fun run 6
  • Multi-terrain run
  • Families
  • Beginner-friendly
  • Fancy dress
  • Event village
  • All ages
Welcome to the best running event for miles! Run rolling South Downs trails, climb rewarding hills, and take in sweeping coastal views in a scenic, spacious event. Run with heart. Run the hills.
  • Sun 3 May
  • £25-£54
Lancing, West Sussex

Three Forts Challenge

Welcome to the best running event for miles! Run rolling South Downs trails, climb rewarding hills, and take in sweeping coastal views in a scenic, spacious event. Run with heart. Run the hills.

  • Trail run
  • Half marathon
  • Marathon
  • Families
  • Beginner-friendly
  • Dogs allowed at venue
  • Event village
  • Sustainability policy
  • Plastic-free event
  • Age 16 & over
Take on a challenge fit for royalty in this epic ultramarathon taking in the South coast, South Downs Way, and Monarch’s Way over your choice of distance from a 30km loop up to a non-stop 100km!
  • Sat 20 Jun
  • £60-£185
Chichester, West Sussex

Race to the King

Take on a challenge fit for royalty in this epic ultramarathon taking in the South coast, South Downs Way, and Monarch’s Way over your choice of distance from a 30km loop up to a non-stop 100km!

  • 50K ultra run 2
  • 100K ultra run
  • Trail run
  • Charity ultra
  • Recycling
  • Beginner-friendly
  • Entertainment
  • Music
  • Event village
  • Park
  • Rural
  • Free venue entry
  • Sustainability policy
  • Public transport links
  • Age 18 & over
  • Sun 17 May
  • £18-£120
East Grinstead, West Sussex

Mud Monsters Run

  • Fun run
  • Mud run 3
  • Sun 7 Jun
  • £15.50-£22.50
Wisborough Green, West Sussex

RunWisborough

  • 5K run
  • 10K run
  • Sun 30 Aug
  • £27.60
Arundel, West Sussex

Arundel Castle 10K Run

  • 10 km multi terrain running
  • Sat 19 - Sun 20 Sep
  • £108.30-£129.96
Horsham, West Sussex

Tough Mudder London South

  • Obstacle race 4
  • Sun 27 Sep
  • £8-£9
Horsham, West Sussex

Run Barns Green | Kids Colour Run

  • 500 m multi terrain running
  • Sun 4 Oct
  • £22-£24
East Grinstead, West Sussex

The East Grinstead 10K Andy Ripley Memorial Run

  • 10 km multi terrain running

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