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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, UK

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
  • Sun 15 Nov
Conwy, Clwyd, UK

Conwy Half Marathon | Half Marathon

  • 13.1 miles road running + 1247 ft ascent
  • Sat 28 Nov
Mold, Clwyd, UK

Loggerheads Half Marathon

  • 13.1 miles trail running

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