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Marathons in South Wales

Find marathons near me in South Wales for 2024/2025 - search by date or place, display on a map or use the advanced search to find your perfect race.

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One of the flattest marathon courses in the UK with over 70% of all finishers claiming a PB! The route features the city's Transporter Bridge, coastal wildlife and picturesque medieval villages.
  • Sun 13 Apr 2025
  • £39-£52
  • Sun 13 Apr 2025
  • £39-£52
Newport, Gwent, UK

ABP Newport Wales Marathon

One of the flattest marathon courses in the UK with over 70% of all finishers claiming a PB! The route features the city's Transporter Bridge, coastal wildlife and picturesque medieval villages.

  • Chip timing
  • Enter online
  • Flat
  • Age 18 & over
  • 26.2 miles road running
  • Sat 9 Nov
Swansea, West Glamorgan, UK

EnduranceLife - Gower | Marathon

  • 27.3 miles trail running
  • Sat 30 Nov
Caerphilly, Gwent, UK

Machen Trail Races: Half Marathon and Marathon | Marathon

  • 26.2 miles trail running
  • Sat 14 Dec
Aberdare, Mid Glamorgan, UK

Celtic Trail Races | Marathon

  • 26 miles trail running

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