10

Half marathons in East Sussex

Find half marathons in East 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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Join the UK's Happiest Half - a fast, flat race with a buzzing Brighton atmosphere. An early season major half and one of the most popular races in the UK!
  • Sun 1 Mar 2026
  • £44.50-£46.50
  • 4 charities
Brighton, East Sussex, UK

Altra Brighton Half Marathon

Join the UK's Happiest Half - a fast, flat race with a buzzing Brighton atmosphere. An early season major half and one of the most popular races in the UK!

  • Chip timing
  • Enter online
  • Traffic free
  • Age 17 & over
  • 13.1 miles road running
This is the race you'll want to keep racing, year after year. Explore the delights of the Hastings Half Marathon as it twists and turns through the historic town of Hastings and beyond.
  • Sun 22 Mar 2026
  • £37-£39
Saint Leonards-on-sea, East Sussex, UK

Hastings Half Marathon

This is the race you'll want to keep racing, year after year. Explore the delights of the Hastings Half Marathon as it twists and turns through the historic town of Hastings and beyond.

  • Chip timing
  • Enter online
  • Hilly
  • Age 17 & over
  • 13.1 miles road running + 961 ft ascent
Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon on the same day was previously rated one of the top UK marathons.
  • Sat 13 Jun 2026
  • £43-£45
Wadhurst, East Sussex, UK

Bewl Water Summer | Half Marathon

Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon on the same day was previously rated one of the top UK marathons.

  • Chip timing
  • Enter online
  • Hilly
  • Age 17-80
  • 13.1 miles trail running + 710 ft ascent
Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon course at the same venue was previously rated one of the top UK marathons.
  • Sat 12 Sep 2026
  • £43-£45
Wadhurst, East Sussex, UK

Bewl Water Autumn | Half Marathon

Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon course at the same venue was previously rated one of the top UK marathons.

  • Chip timing
  • Enter online
  • Undulating
  • Age 17-80
  • 13.1 miles trail running + 710 ft ascent
  • Sat 8 Nov
Bexhill-on-Sea, East Sussex, UK

GBR Run Bexhill Remembrance Run | Half Marathon

  • 13.1 miles road running
  • Sat 7 Mar 2026
Eastbourne, East Sussex, UK

EnduranceLife - Sussex | Half Marathon

  • 13.1 miles trail running + 2185 ft ascent
  • Sun 8 Mar 2026
Eastbourne, East Sussex, UK

Eastbourne Half Marathon

  • 13.1 miles road running + 166 m ascent
  • Sat 23 May 2026
Eastbourne, East Sussex, UK

Seven Sisters Half Marathon

  • 13.1 miles trail running + 2057 ft ascent
  • Sun 7 Jun 2026
Lewes, East Sussex, UK

Weald Challenge

  • 22 km trail running
  • Sat 3 Oct 2026
Lewes, East Sussex, UK

Dark Downs Half Marathon

  • 13.8 miles trail running + 1686 ft ascent

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