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Half marathons in North Wales in Autumn

Find half marathons in North Wales in Autumn - 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 6 Sep
  • £40-£42
Caernarfon, Gwynedd, UK

Caernarfon Half Marathon

  • Half marathon
  • Sun 13 Sep
  • £35
Beaumaris, Isle of Anglesey, UK

Beaumaris Run Fest Weekend | Half Marathon

  • 13.1 miles road running
  • Sun 4 Oct
  • £40-£42
Bangor, Gwynedd, UK

Bangor City 10K & Half Marathon | Half Marathon

  • 13.1 miles road running
  • Sun 15 Nov
  • £42-£44
Conwy, Clwyd, UK

Conwy Half Marathon | Half Marathon

  • 13.1 miles road running + 1247 ft ascent
  • Sat 28 Nov
  • £35-£60.50
Mold, Clwyd, UK

Loggerheads Half Marathon

  • 13.1 miles trail running

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