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Marathons in South Wales in November 2025

Find marathons near me in South Wales in November 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 this Smurf Run at the picturesque Dare Valley in Wales! Who doesn't love those little blue characters and therefore a medal reflecting how adorable they are!
  • Sat 22 Nov
  • £22-£35
  • Sat 22 Nov
  • £22-£35
Aberdare, Mid Glamorgan, UK

Smurf Run - Wales | Marathon

Come and join this Smurf Run at the picturesque Dare Valley in Wales! Who doesn't love those little blue characters and therefore a medal reflecting how adorable they are!

  • Enter online
  • Age 18 & over
  • 26.2 miles road running + 0 ft ascent
  • Sat 8 Nov
Swansea, West Glamorgan, UK

EnduranceLife - Gower | Marathon

  • 27.4 miles trail running + 3425 ft ascent
  • Sat 29 Nov
Caerphilly, Gwent, UK

Machen Trail Races: Half Marathon and Marathon | Marathon

  • 26 miles trail running + 4760 ft ascent

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