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Trail runs in West Sussex in May 2026

Find trail runs in West Sussex in May 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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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
  • £20
Lancing, West Sussex

Three Forts Challenge | 5 Mile Trail Run

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.

  • 5 miles trail running + 553 ft ascent
  • Chip timing
  • Enter online
  • Hilly
  • Age 16 & over
Part of the London 2 Brighton Ultra weekend, run, jog or walk from Turners Hill through wonderful Sussex countryside up & over the testing South Downs before coastal views to Brighton Racecourse.
  • Sat 23 - Sun 24 May
  • £139
Crawley, West Sussex

Sussex Marathon

Part of the London 2 Brighton Ultra weekend, run, jog or walk from Turners Hill through wonderful Sussex countryside up & over the testing South Downs before coastal views to Brighton Racecourse.

  • 42 km trail running + 700 m ascent
  • Chip timing
  • GPS tracking
  • Undulating
  • Age 18 & over
A scenic 7K trail run through rolling countryside and working farmland, with a relaxed, friendly atmosphere and a well-earned post-run drink waiting at the finish. Fancy dress and non-runners welcome!
  • Sat 30 May
  • £22
Horsham, West Sussex

Silly Moo 7 Fun Run

A scenic 7K trail run through rolling countryside and working farmland, with a relaxed, friendly atmosphere and a well-earned post-run drink waiting at the finish. Fancy dress and non-runners welcome!

  • 7 km trail running
  • Families
  • Beginner-friendly
  • Dogs allowed at venue
  • Music
  • Enter online
  • Flat
  • Traffic free
  • Fancy dress
  • Event village
  • Rural
  • Age 11 & over

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