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Half marathons in West Sussex in May 2026

Find half marathons 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 half. Run with heart. Run the hills.
  • Sun 3 May
  • £39
Lancing, West Sussex

Three Forts Challenge | Half 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 half. Run with heart. Run the hills.

  • 13.1 miles multi terrain running + 1455 ft ascent
  • Chip timing
  • Enter online
  • Hilly
  • Age 18 & over
Enjoy a fully closed road race, on flat coastal roads with a spectacular seafront finish. Chance to take home a PB along with the finishers' t-shirt and medal.
  • Sun 3 May
  • £40-£42
Worthing, West Sussex

Worthing RUNFEST Half Marathon

Enjoy a fully closed road race, on flat coastal roads with a spectacular seafront finish. Chance to take home a PB along with the finishers' t-shirt and medal.

  • 13.1 miles road running + 37 m ascent
  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 17 & over
  • Sun 10 May
  • £40-£42
Crawley, West Sussex

Run Gatwick | Half Marathon

  • 13.1 miles road running

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