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Half marathons in South Wales in December 2025

Find half 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
Aberdare, Mid Glamorgan, UK

A Christmas Carol Bobble Hat Run - Wales | Half 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 17 & over
  • 13.1 miles trail running
  • Sat 13 Dec
Neath, West Glamorgan, UK

Celtic Trail Races | Half Marathon

  • 13 miles trail running + 2200 ft ascent

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