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Trail Half marathons in South West in September 2026

Find trail half marathons in South West in September 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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Set in the heart of the beautiful New Forest, with a Grade I listed 'calendar' manor house as the backdrop, this is a technical trail loop suitable for all abilities.
  • Sun 20 Sep
  • £37.50-£39.50
Christchurch, Hampshire, UK

Something to Talk About

Set in the heart of the beautiful New Forest, with a Grade I listed 'calendar' manor house as the backdrop, this is a technical trail loop suitable for all abilities.

  • 7 hrs trail running + 404 ft ascent
  • Families
  • Beginner-friendly
  • Enter online
  • Undulating
  • Traffic free
  • Event village
  • Age 18 & over
8th Anniversary! The Race on the Chase Half Marathon has already gained a strong reputation with runners for its great trails, views and friendly atmosphere. It's trail running heaven.
  • Sun 27 Sep
  • £32
Wiltshire, UK

Race on the Chase | Half Marathon

8th Anniversary! The Race on the Chase Half Marathon has already gained a strong reputation with runners for its great trails, views and friendly atmosphere. It's trail running heaven.

  • 13.1 miles trail running + 1010 ft ascent
  • Enter online
  • Undulating
  • Age 17 & over
  • Sun 6 Sep
Dawlish, Devon, UK

City to Sea | Half Marathon

  • 13.1 miles trail running + 2100 ft ascent
  • Sun 27 Sep
Coleford, Gloucestershire, UK

The Forest of Dean Autumn Half Marathon

  • 13.1 miles multi terrain running + 800 ft ascent

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