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100K ultra runs in North Wales

Find 100k ultra runs near me in North Wales for 2024/2025 - search by date or place, display on a map or use the advanced search to find your perfect race.

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Yr Wyddfa (Snowdon) is the highest mountain in England and Wales. Your challenge is to ascend and descend as many times as possible in 24 hours - solo or as a relay team.
  • Sat 12 - Sun 13 Jul 2025
  • £121.99-£251.99
  • Sat 12 - Sun 13 Jul 2025
  • £121.99-£251.99
Caernarfon, Gwynedd, UK

Black Diamond Yr Wyddfa Snowdon24

Yr Wyddfa (Snowdon) is the highest mountain in England and Wales. Your challenge is to ascend and descend as many times as possible in 24 hours - solo or as a relay team.

  • Chip timing
  • Enter online
  • Mountainous
  • Relay
  • Age 18 & over
  • 24 hrs trail running
  • Sat 26 Apr 2025
Prestatyn, Clwyd, UK

North Wales 50K & 100K | 100K

  • 100 km trail running

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