3 running and ultra events in Caernarfon, Wales [Cymru GB-CYM]

From big races to Saturday morning group runs—find running and ultra events and connect with the local endurance sports community.

• MTC Cerridwen [finishers.com]
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  Wed, Apr 15, 2026

  Run Ultra

  Caernarfon, Wales [Cymru GB-CYM], United Kingdom
  OpenStreetMap Google Maps
• Ultra-Trail Snowdonia Eryri by UTMB® [finishers.com] - Facebook
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  Fri, May 15, 2026

  Run Trail Ultra

  Caernarfon, Wales [Cymru GB-CYM], United Kingdom
  OpenStreetMap Google Maps
• Snowdonia Trail Challenge [finishers.com] - Facebook
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  Sat, Jul 04, 2026

  Run Trail

  Caernarfon, Wales [Cymru GB-CYM], United Kingdom
  OpenStreetMap Google Maps