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Trail runs in Wales in December 2025

Find trail runs in Wales in December 2025 - 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.

Get your Santa suits, reindeer antlers, and elf ears ready — Christmas is Coming, and so is the most magical fun run of the year!
  • Sat 20 Dec
  • £9
Aberdare, Mid Glamorgan, UK

Santa Run Wales

Get your Santa suits, reindeer antlers, and elf ears ready — Christmas is Coming, and so is the most magical fun run of the year!

  • Families
  • Newcomers
  • Fancy dress
  • Event village
  • Park
  • All ages
  • Fun run
  • 5K run
A great chance to stretch your legs with this event on the last Saturday before Christmas, with a Canicross race going off before the main pack.
  • Sat 20 Dec
  • £19
Mold, Clwyd, UK

Moel Famau Festive 'Piece of String' Race

A great chance to stretch your legs with this event on the last Saturday before Christmas, with a Canicross race going off before the main pack.

  • Newcomers
  • Dogs allowed at venue
  • Event village
  • Age 18 & over
  • Trail run
  • CaniCross
  • Sat 13 Dec
Grecynon, Mid Glamorgan, UK

Celtic Trail Races

  • Marathon
  • Ultra run
  • Half marathon

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