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Runs in Gwynedd in Summer

Find runs in Gwynedd in Summer - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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Your chance to take on one of the UK’s most demanding and spectacular trail races, set deep in the heart of Eryri (Snowdonia) National Park, offering a true mountain challenge.
  • Sat 11 - Sun 12 Jul
  • £31.99-£319.99
Caernarfon, Gwynedd, UK

Snowdonia Trail Marathon Eryri Events

Your chance to take on one of the UK’s most demanding and spectacular trail races, set deep in the heart of Eryri (Snowdonia) National Park, offering a true mountain challenge.

  • 10K run
  • Half marathon
  • Marathon
  • Ultra run 2
  • Families
  • Recycling
  • Beginner-friendly
  • Plastic bottle free
  • Dogs allowed at venue
  • Music
  • Event village
  • Event expo
  • Mountains
  • Free venue entry
  • Sustainability policy
  • Public transport links
  • Plastic-free event
  • Age 17 & over
Nestled in the hills of the Brecon Beacons, run or walk through wild hills on marked, rugged trails, with big views and remote landscapes in a supportive, adventure-focused trail running experience.
  • Sat 25 - Sun 26 Jul
  • FREE-£280
Brecon, Powys, UK

Ultra X Wales

Nestled in the hills of the Brecon Beacons, run or walk through wild hills on marked, rugged trails, with big views and remote landscapes in a supportive, adventure-focused trail running experience.

  • Ultra run 4
  • 50K ultra run
  • Multi-terrain run 2
  • Beginner-friendly
  • Enter online
  • Sustainability policy
  • Age 18 & over
  • Sat 6 Jun
  • £54-£64
Pwllheli, Gwynedd, UK

The North Wales Pilgrim Trail Marathon

  • 42 km trail running
  • Sat 15 Aug
  • £39-£139
Caernarfon, Gwynedd, UK

SkyRun Eryri

  • Trail run 3
  • 50K ultra run

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