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Trail runs in South Wales in December 2025

Find trail runs in South 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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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
  • Sat 13 Dec
Grecynon, Mid Glamorgan, UK

Celtic Trail Races

  • Marathon
  • Ultra run
  • Half marathon

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