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Trail runs in Wales

Find trail runs in Wales in 2025/2026 - filter by date, location or category, 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 25 Apr 2026
Haverfordwest, Pembrokeshire, UK

EnduranceLife - Pembrokeshire

  • 10K run
  • Half marathon
  • Marathon
  • Ultra run
  • Sat 25 Apr 2026
Penarth, South Glamorgan, UK

The Medieval Backyard Ultra

  • 1 hr trail running
  • Sat 9 May 2026
Cardiff, UK

Radyr Trail Races: Half Marathon and Marathon

  • Half marathon
  • Marathon
  • Sun 10 May 2026
Llangollen, Clwyd, UK

Llangollen Trail 10K & Kids 1 Mile Race

  • Fun run
  • 10K run
  • Sat 6 Jun 2026
Brecon, Powys, UK

Midnight Mountain Marathon

  • Mountain marathon
  • Half marathon
  • Sun 21 Jun 2026
Llanwddyn, Powys, UK

Lake Vyrnwy 10K

  • 10 km trail running
  • Sun 1 Nov 2026
Llanfairpwllgwyngyll, Isle of Anglesey, UK

Anglesey Trail Half Marathon & 10K

  • 10K run
  • Half marathon
  • Sat 28 Nov 2026
Mold, Clwyd, UK

Loggerheads Half Marathon

  • 13.1 miles trail running

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