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Marathons in North Wales

Find marathons near me in North 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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The most epic trail marathon in Wales! Iconic and spectacular trails, circumnavigating then climbing the slopes of Wales' highest peak - Yr Wyddfa (Snowdon).
  • Sat 12 Jul
  • £57.99-£61.99
  • Sat 12 Jul
  • £57.99-£61.99
Caernarfon, Gwynedd, UK

XTERRA Snowdonia Trail Marathon Eryri

The most epic trail marathon in Wales! Iconic and spectacular trails, circumnavigating then climbing the slopes of Wales' highest peak - Yr Wyddfa (Snowdon).

  • Chip timing
  • Enter online
  • Mountainous
  • Age 18 & over
  • 27.3 miles trail running + 1685 m ascent
The only way is up with this race along the Offas Dyke footpath. The scenery and terrain become more and more beautiful, and challenging as you go!
  • Sun 7 Dec
  • £41.50
  • Sun 7 Dec
  • £41.50
Prestatyn, Clwyd, UK

Sea 2 Summit | Offa's Dyke Full Marathon

The only way is up with this race along the Offas Dyke footpath. The scenery and terrain become more and more beautiful, and challenging as you go!

  • Chip timing
  • Enter online
  • Age 18 & over
  • 26.2 miles trail running
  • Sun 11 May
Mold, Clwyd, UK

Excalibur Trail Races | Marathon

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

Excalibur Trail Races | Marathon Canicross

  • 26.4 miles trail running
  • Sat 14 Jun
Crickhowell, Powys, UK

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

  • 27 miles trail running + 5505 ft ascent

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