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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- Sun 21 Dec
- £27-£40
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
Celtic Trail Races | Half Marathon
- 13 miles trail running + 2200 ft ascent