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Marathons in Wales

Find marathons near me in 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
Discover the only fully closed road marathon in Wales. Set in the beautiful Pembrokeshire Coast National Park, the finish line has a wild atmosphere with a stunning red carpet finish and great crowds!
  • Sun 29 Jun 2025
  • £55
  • Sun 29 Jun 2025
  • £55
Tenby, Pembrokeshire, UK

The Veloforte Wales Marathon

Discover the only fully closed road marathon in Wales. Set in the beautiful Pembrokeshire Coast National Park, the finish line has a wild atmosphere with a stunning red carpet finish and great crowds!

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 18 & over
  • 26.2 miles road running
The most epic trail marathon in Wales! Iconic and spectacular trails, circumnavigating then climbing the slopes of Wales' highest peak - Yr Wyddfa (Snowdon).
  • Sat 12 Jul 2025
  • £57.99-£61.99
  • Sat 12 Jul 2025
  • £57.99-£61.99
Caernarfon, Gwynedd, UK

XTERRA Snowdonia Trail Marathon Eryri

The most epic trail marathon in Wales! Iconic and spectacular trails, circumnavigating then climbing the slopes of Wales' highest peak - Yr Wyddfa (Snowdon).

  • Chip timing
  • Enter online
  • Mountainous
  • Age 18 & over
  • 27.3 miles trail running + 1685 m ascent
  • Sat 14 Dec
Aberdare, Mid Glamorgan, UK

Celtic Trail Races | Marathon

  • 26 miles trail running
  • Sat 1 Mar 2025
Haverfordwest, Pembrokeshire, UK

Ras Dewi Sant | Full Marathon

  • 26.2 miles trail running
  • Sun 16 Mar 2025
Burry Port, Dyfed, UK

Great Welsh Marathon Events | Full Marathon

  • 26.2 miles road running
  • Sat 22 Mar 2025
Carmarthen, Dyfed, UK

Brechfa Trail Races: Half Marathon & Marathon | Marathon

  • 26 miles trail running
  • Sun 13 Apr 2025
Carmarthen, Dyfed, UK

The Pendine Races | Full Marathon

  • 26.2 miles trail running
  • Sat 26 Apr 2025
Brecon, Powys, UK

Rasus y Bannau | Marathon

  • 26.5 miles trail running
  • Sat 26 Apr 2025
Haverfordwest, Pembrokeshire, UK

EnduranceLife - Pembrokeshire | Marathon

  • 27.3 miles trail running
  • Sat 14 Jun 2025
Ruthin, Clwyd, UK

Black Mountains 50 & 32 Mile Ultra, Marathon & Half Marathon | Marathon

  • 27 miles trail running + 5505 ft ascent

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