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Half marathons in South West in September 2025

Find half marathons near me in South West 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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Looking for a PB? This is your course. Pancake-flat & mostly traffic-free, come to explore the Tarka Trail then receive a fabulous medal.
  • Sun 28 Sep
  • £30-£32
  • Sun 28 Sep
  • £30-£32
Barnstaple, Devon, UK

RUN Barnstaple | Half Marathon

Looking for a PB? This is your course. Pancake-flat & mostly traffic-free, come to explore the Tarka Trail then receive a fabulous medal.

  • Enter online
  • Flat
  • Age 17 & over
  • 13.1 miles road running
  • Sun 7 Sep
Tetbury, Gloucestershire, UK

Westonbirt Arboretum Summer | Half Marathon

  • 13.1 miles trail running + 175 m ascent
  • Sun 7 Sep
Taunton, Somerset, UK

Run the Blackdown Hills Trail 10K & Half Marathon | Half Marathon

  • 22.2 km trail running + 540 m ascent
  • Sun 14 Sep
Chippenham, Wiltshire, UK

Chippenham Half Marathon

  • 13.1 miles road running
  • Sun 28 Sep
Coleford, Gloucestershire, UK

The Forest of Dean Autumn Half Marathon

  • 13.1 miles multi terrain running

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