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Half marathons in Gloucestershire in September 2025

Find half marathons near me in Gloucestershire in September 2025 - search by date or place, display on a map or use the advanced search to find your perfect race.

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Follow a course on forest trails with no road crossings and some interesting hill challenges, offering runners a chance to experience the forest with its late-summer leaf canopy.
  • Sun 28 Sep 2025
  • £30-£32
  • Sun 28 Sep 2025
  • £30-£32
Coleford, Gloucestershire, UK

The Forest of Dean Autumn Half Marathon

Follow a course on forest trails with no road crossings and some interesting hill challenges, offering runners a chance to experience the forest with its late-summer leaf canopy.

  • Newcomers
  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Event village
  • Rural
  • Free venue entry
  • Age 17 & over
  • 13.1 miles multi terrain running
  • Sun 7 Sep 2025
Tetbury, Gloucestershire, UK

Westonbirt Arboretum Summer | Half Marathon

  • 13.1 miles trail running

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