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Marathons in South Wales in December 2025

Find marathons near me in South Wales in December 2025 - filter by date or location, display on a map or use the advanced search to find your perfect race.

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Come and join in Christmas Carol Bobble Hat Run in the picturesque Dare Valley in Wales! At this event you can earn yourself a bobble hat as well as one of the incredible themed medals!!
  • Sun 21 Dec
  • £27-£40
  • Sun 21 Dec
  • £27-£40
Aberdare, Mid Glamorgan, UK

A Christmas Carol Bobble Hat Run - Wales | Marathon

Come and join in Christmas Carol Bobble Hat Run in the picturesque Dare Valley in Wales! At this event you can earn yourself a bobble hat as well as one of the incredible themed medals!!

  • Enter online
  • Age 18 & over
  • 26.2 miles road running
  • Sat 13 Dec
Grecynon, Mid Glamorgan, UK

Celtic Trail Races | Marathon

  • 26 miles trail running + 3050 ft ascent

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