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Trail runs in West Sussex

Find trail 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.

  • Sun 28 Dec
Horsham, West Sussex, UK

Heritage Trail Series - Winter

  • 5K run
  • 10K run
  • Sat 28 Feb 2026
Petersfield, West Sussex, UK

South Downs Way Ultra Run

  • 30 miles trail running
  • Sun 29 Mar 2026
Arundel, West Sussex, UK

Springtide Half Marathon

  • 13.5 miles trail running + 1175 ft ascent
  • Sat 11 Apr 2026
Midhurst, West Sussex, UK

Cowdray Estate Trail Run Series - Spring

  • 5K run
  • CaniCross 3
  • 10K run
  • 10 miler
  • Sun 26 Apr 2026
Horsham, West Sussex, UK

Heritage Trail Series - Spring

  • 5K run
  • 10K run
  • Sun 3 May 2026
Lancing, West Sussex, UK

Three Forts Challenge | 5 Mile Trail Run

  • 5 miles trail running + 553 ft ascent
  • Sat 20 Jun 2026
Chichester, West Sussex, UK

Race to the King

  • 50K ultra run 2
  • 100K ultra run
  • Trail run
  • Ultra run
  • Fri 26 Jun 2026
Midhurst, West Sussex, UK

Cowdray Estate Trail Run Series - Summer

  • 5K run
  • CaniCross 2
  • 10K run
  • Sun 2 Aug 2026
Horsham, West Sussex, UK

Heritage Trail Series - Summer

  • 10K run
  • 5K run

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