25

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.

Filter by place

Filter by date

Filter by category

Map

Event listings

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, 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.

  • 10 miler 2
  • 10K run
  • Marathon 2
  • Fun run 6
  • Multi-terrain run
  • Families
  • Beginner-friendly
  • Fancy dress
  • Event village
  • All ages
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, UK

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 8 Mar
  • £38-£40
Steyning, West Sussex, UK

Steyning Stinger

  • Half marathon
  • Multi-terrain run
  • Marathon
  • Sun 3 May
  • £20-£45
Lancing, West Sussex, UK

Three Forts Challenge

  • Trail run
  • Half marathon
  • Marathon
  • Sat 19 - Sun 20 Sep
  • £85-£105
Horsham, West Sussex, UK

Tough Mudder London South

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

Run Barns Green | Kids Colour Run

  • 500 m multi terrain running

Other UK events

Search options

Back to search options
4 steps to wellbeing
Sleep well

A good night's sleep is an essential foundation for a healthy lifestyle, effective training and weight control.

Train slow

Low-intensity training is easier for you, reduces the risk of injury and helps builds an efficient aerobic system.

Eat natural

Cut out sugar & junk food, reduce carbs, eat natural foods and train your body to burn fat for fuel.

Get outdoors

Fresh air, natural light and reconnecting with nature all help to improve mental and physical wellbeing.