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Trail runs in North Wales

Find trail runs near me in North Wales for 2025/2026 - filter by date or location, display on a map or use the advanced search to find your perfect race.

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Select an event for photos, video, route, location, reviews, entry fees and how to enter.

This challenge involves a beautiful 7.2km loop being used, which will test you with it's 500m of ascent each time, with competitors completing as many laps of this as possible in 12 or 24 hours.
  • Sat 15 Aug 2026
  • £65.50-£125
Mold, Clwyd, UK

Moel Famau 12hr Challenge

This challenge involves a beautiful 7.2km loop being used, which will test you with it's 500m of ascent each time, with competitors completing as many laps of this as possible in 12 or 24 hours.

  • Enter online
  • GPS tracking
  • Age 18 & over
  • 12 hrs trail running
This challenge involves a beautiful 7.2km loop being used, which will test you with it's 500m of ascent each time, with competitors completing as many laps of this as possible in 12 or 24 hours.
  • Sat 15 Aug 2026
  • £97.50-£170
Mold, Clwyd, UK

Moel Famau 24hr Challenge

This challenge involves a beautiful 7.2km loop being used, which will test you with it's 500m of ascent each time, with competitors completing as many laps of this as possible in 12 or 24 hours.

  • Enter online
  • GPS tracking
  • Age 18 & over
  • 24 hrs trail running
  • Sun 21 Sep
Betws-y-Coed, Clwyd, UK

Llyn Alwen 11.5K & Canicross | 11.5K

  • 11.5 km trail running
  • Sun 21 Sep
Betws-y-Coed, Clwyd, UK

Llyn Alwen 11.5K & Canicross | 11.5K Canicross

  • 11.5 km trail running
  • Sun 2 Nov
Mold, Clwyd, UK

Winter Excalibur Trail Races | WINTER Excalibur Trail Races | 17km

  • 17 km trail running + 2700 ft ascent
  • Sun 2 Nov
Mold, Clwyd, UK

Winter Excalibur Trail Races | WINTER Excalibur Trail Races | 10km

  • 10 km trail running + 1300 ft ascent
  • Sun 9 Nov
Llanfairpwllgwyngyll, Isle of Anglesey, UK

Anglesey Trail Half Marathon & 10K | Half Marathon

  • 21.1 km trail running + 544 ft ascent
  • Sun 9 Nov
Llanfairpwllgwyngyll, Isle of Anglesey, UK

Anglesey Trail Half Marathon & 10K | 10K

  • 10 km trail running + 308 ft ascent
  • Sat 15 Nov
Bangor, Gwynedd, UK

Slate Trail Ultra | Slate Trail Ultra

  • 145 km trail running + 3900 m ascent
  • Sat 15 Nov
Bangor, Gwynedd, UK

Slate Trail Ultra | Ultra Tour of The Quarries

  • 88 km trail running + 2700 m ascent
  • Sat 4 Apr 2026
Aberdyfi, Gwynedd, UK

Aberdyfi Half Marathon | Half Marathon

  • 21.1 km trail running + 850 m ascent

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