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Trail runs in Wales

Find trail runs near me in 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.

  • Sat 20 Dec
Aberdare, Mid Glamorgan, UK

Santa Run Wales | 5K

  • 5 km trail running
  • Sat 14 Mar 2026
Carmarthen, Dyfed, UK

Brechfa Trail Races: Half Marathon & Marathon | Marathon

  • 26 miles trail running
  • Sat 14 Mar 2026
Carmarthen, Dyfed, UK

Brechfa Trail Races: Half Marathon & Marathon | Half Marathon

  • 13 miles trail running
  • Sat 4 Apr 2026
Aberdyfi, Gwynedd, UK

Aberdyfi Half Marathon | Half Marathon

  • 21.1 km trail running + 850 m ascent
  • Sat 9 May 2026
Cardiff, UK

Radyr Trail Races: Half Marathon and Marathon | Marathon

  • 26.2 miles trail running
  • Sat 9 May 2026
Cardiff, UK

Radyr Trail Races: Half Marathon and Marathon | Half Marathon

  • 13.1 miles trail running

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