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Marathons in West Sussex in Spring

Find marathons in West Sussex in Spring - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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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 marathon. Run with heart. Run the hills.
  • Sun 3 May
  • £49
Lancing, West Sussex

Three Forts Challenge | Marathon

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 marathon. Run with heart. Run the hills.

  • 26.2 miles multi terrain running + 3195 ft ascent
  • Chip timing
  • Enter online
  • Hilly
  • Age 18 & 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

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