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Half marathons in West Sussex

Find half marathons near me in West Sussex for 2025/2026 - filter by date or location, display on a map or use the advanced search to find your perfect race.

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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 2026
  • £34.50-£44.50
  • Sun 3 May 2026
  • £34.50-£44.50
Worthing, West Sussex, UK

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.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 17 & over
  • 13.1 miles road running + 37 m ascent
  • Sun 10 Aug
Henfield, West Sussex, UK

Henfield Half Marathon

  • 13.1 miles trail running
  • Sun 28 Sep
Horsham, West Sussex, UK

Run Barns Green | Half Marathon

  • 13.1 miles road running
  • Sun 28 Sep
Horsham, West Sussex, UK

Run Barns Green | Kids Colour Run

  • 750 m multi terrain running
  • Sat 8 Nov
Petworth, West Sussex, UK

Five Trails Ultra & Three Trails Half | Three Trails Half

  • 13 miles trail running + 407 m ascent

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