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Half marathons in North Wales in July 2025

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

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Wales' spectacular mountain half marathon! A tough route with over 1,192m of ascent, most of which is up Wales’ highest peak, with incredible views all the way to Anglesey and a downhill finish too.
  • Sun 13 Jul 2025
  • £39.99-£92.99
  • Sun 13 Jul 2025
  • £39.99-£92.99
Caernarfon, Gwynedd, UK

XTERRA Snowdonia Trail Half Marathon Eryri

Wales' spectacular mountain half marathon! A tough route with over 1,192m of ascent, most of which is up Wales’ highest peak, with incredible views all the way to Anglesey and a downhill finish too.

  • Chip timing
  • Enter online
  • Mountainous
  • Age 17 & over
  • 12.9 miles trail running

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