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Half marathons in Wales in November 2026

Find half marathons in Wales in November 2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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Anglesey's most beautiful trail half, set in the stunning surroundings of Newborough Forest and Traeth Llanddwyn, which once hosted the Commonwealth Mountain and Ultra Distance Running Championships.
  • Sun 1 Nov
  • £39.99-£51.99
Llanfairpwllgwyngyll, Isle of Anglesey

Anglesey Trail Half Marathon

Anglesey's most beautiful trail half, set in the stunning surroundings of Newborough Forest and Traeth Llanddwyn, which once hosted the Commonwealth Mountain and Ultra Distance Running Championships.

  • 21.1 km trail running + 159 m ascent
  • Chip timing
  • Enter online
  • Age 18 & over
MoRunning brings everyday people together with the focus being to inspire you, your family, your kids and your friends to have the best time running! Get ready for the half marathon, Cardiff!
  • Sun 1 Nov
  • £25-£35
Cardiff

Cardiff MoRun | Half Marathon

MoRunning brings everyday people together with the focus being to inspire you, your family, your kids and your friends to have the best time running! Get ready for the half marathon, Cardiff!

  • 13.1 miles road running
  • Chip timing
  • Enter online
  • Flat
  • Age 17 & over
Take on a scenic, looped, North Wales trail challenge with varied terrain, lots of support through Loggerheads Country Park, and the option to race solo or in a three-person relay.
  • Sat 28 Nov
  • £35-£60.50
Mold, Clwyd

Loggerheads Half Marathon

Take on a scenic, looped, North Wales trail challenge with varied terrain, lots of support through Loggerheads Country Park, and the option to race solo or in a three-person relay.

  • 13.1 miles trail running
  • Beginner-friendly
  • Enter online
  • Hilly
  • Traffic free
  • Event village
  • Park
  • Age 17 & over
  • Sun 15 Nov
  • £42-£44
Conwy, Clwyd

Conwy Half Marathon | Half Marathon

  • 13.1 miles road running + 1247 ft ascent

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