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Hilly Trail runs in Wales

Find hilly trail runs in Wales in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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A great chance to stretch your legs with this event at the start of the Easter holidays, with a canicross race going off before the main pack. You'll find out distance and route as you run!
  • Sat 28 Mar
  • £19
Mold, Clwyd, UK

Moel Famau Easter 'Piece of String' Race

A great chance to stretch your legs with this event at the start of the Easter holidays, with a canicross race going off before the main pack. You'll find out distance and route as you run!

  • Trail run
  • CaniCross
A breathtaking mountain challenge through Snowdonia’s rugged heart — climb steep ridges, conquer iconic peaks and soak up awe-inspiring views across lakes, valleys and the dramatic Ogwen range.
  • Sun 12 Apr
  • £37.99-£79.99
Betws-y-Coed, Clwyd, UK

Ogwen | Yr Helgi Du

A breathtaking mountain challenge through Snowdonia’s rugged heart — climb steep ridges, conquer iconic peaks and soak up awe-inspiring views across lakes, valleys and the dramatic Ogwen range.

  • Trail run 3
Gather on the summit of Moel y Parc at over 1300ft and follow the Offa's Dyke National Trail to the coast to finish line on the beach at Prestatyn.
  • Sun 12 Apr
  • £33.50
Prestatyn, Clwyd, UK

Summit 2 Sea - The Offa's Dyke Half Marathon

Gather on the summit of Moel y Parc at over 1300ft and follow the Offa's Dyke National Trail to the coast to finish line on the beach at Prestatyn.

  • 13.8 miles trail running + 2450 ft ascent
A beautiful 10K with something for all runners on a mixture of road, track and trail and takes in the beautiful lower slopes of Yr Wyddfa (Snowdon), with a stunning downhill to the finish line.
  • Sat 11 Jul
  • £31.99-£37.99
Caernarfon, Gwynedd, UK

Snowdonia Trail Eryri 10K

A beautiful 10K with something for all runners on a mixture of road, track and trail and takes in the beautiful lower slopes of Yr Wyddfa (Snowdon), with a stunning downhill to the finish line.

  • 9.8 km trail running + 1335 ft ascent
A great chance to stretch your legs at Halloween with the 'Piece of String' - at night! You will not know the distance until the event unfolds...
  • Sat 24 Oct
  • £18.50
Mold, Clwyd, UK

Moel Famau Halloween 'Piece of String' Night Race

A great chance to stretch your legs at Halloween with the 'Piece of String' - at night! You will not know the distance until the event unfolds...

  • Trail run
  • CaniCross
  • Sat 14 Mar
  • £60
Crickhowell, Powys, UK

Beast of the Blacks 10, 20 and 40 Mile Trail Running Challenge | 20 Mile

  • 20 miles trail running

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