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Trail runs in Wales

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

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Click an event for full event details, location, route, sustainability, what's included and how to enter.

  • Sun 11 May
Llangollen, Clwyd, UK

Llangollen Trail 10K & Kids 1 Mile Race | 10K

  • 10 km trail running
  • Sun 11 May
Mold, Clwyd, UK

Excalibur Trail Races | Half Marathon

  • 13.4 miles trail running
  • Sun 11 May
Mold, Clwyd, UK

Excalibur Trail Races | Half Marathon Canicross

  • 13.4 miles trail running
  • Sun 11 May
Mold, Clwyd, UK

Excalibur Trail Races | 10K

  • 10 km trail running
  • Sun 11 May
Mold, Clwyd, UK

Excalibur Trail Races | 10K Canicross

  • 10 km trail running
  • Thu 15 May
Llanidloes, Powys, UK

The Severn Challenge | The MTC Hafren Ultra

  • 26 miles trail running
  • Fri 16 May
Newtown, Powys, UK

The Severn Challenge | The MTC Severn Plod Ultra

  • 48 miles trail running
  • Sat 17 May
Crickhowell, Powys, UK

Tenacious Ten Hour Endurance Challenge

  • 10 hrs trail running
  • Sat 17 May
Merthyr Tydfil, Powys, UK

OTT Trail Marathon and 10 Mile Race - Brecon Beacons | Marathon

  • 26.2 miles trail running
  • Sat 17 May
Merthyr Tydfil, Powys, UK

OTT Trail Marathon and 10 Mile Race - Brecon Beacons | 10 Mile

  • 10 miles trail running
  • Sun 18 May
Cardiff, UK

Phoenix South Wales - Dragons Eye

  • 7 hrs trail running
  • Sun 25 May
Pontypridd, Mid Glamorgan, UK

Treforest 10K

  • 10 km trail running + 200 ft ascent
  • Sat 31 May
Aberdare, Mid Glamorgan, UK

Sausage Dog Run - Wales

  • 1 day trail running
  • Sat 7 Jun
Brecon, Powys, UK

Midnight Mountain Marathon | Marathon

  • 26.2 miles trail running + 4150 ft ascent
  • Sat 7 Jun
Brecon, Powys, UK

Midnight Mountain Marathon | Half Marathon

  • 13.1 miles road running + 1425 ft ascent
  • Sat 14 Jun
Crickhowell, Powys, UK

Black Mountains 50 & 32 Mile Ultra, Marathon & Half Marathon | 32 Mile Ultra

  • 32 miles trail running + 6663 ft ascent
  • Sat 14 Jun
Crickhowell, Powys, UK

Black Mountains 50 & 32 Mile Ultra, Marathon & Half Marathon | Half Marathon

  • 13 miles trail running + 2738 ft ascent
  • Sat 14 Jun
Crickhowell, Powys, UK

Black Mountains 50 & 32 Mile Ultra, Marathon & Half Marathon | Marathon

  • 27 miles trail running + 5505 ft ascent
  • Sat 14 Jun
Crickhowell, Powys, UK

Black Mountains 50 & 32 Mile Ultra, Marathon & Half Marathon | 50 Mile Ultra

  • 50 miles trail running + 11059 ft ascent
  • Sat 21 Jun
Dolgellau, Gwynedd, UK

Ultra Wales 50

  • 50 miles trail running
  • Sat 18 Oct
Port Talbot, West Glamorgan, UK

Afan Forest Half Marathon

  • 13.1 miles trail running
  • Sun 19 Oct
Llanwrtyd Wells, Powys, UK

Ron Skilton Memorial Half Marathon | 12K

  • 12 km trail running
  • Sun 19 Oct
Llanwrtyd Wells, Powys, UK

Ron Skilton Memorial Half Marathon | Half Marathon

  • 13 miles trail running

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