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Half marathons in Wales

Find half marathons in Wales in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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  • Sun 13 Sep
  • £38-£40
Llanwddyn, Powys

Lake Vyrnwy Half Marathon

  • 13.1 miles road running
  • Sun 27 Sep
  • £35
Haverfordwest, Pembrokeshire

Pembrokeshire Half Marathon

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

Bangor City 10K & Half Marathon | Half Marathon

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

Conwy Half Marathon | Half Marathon

  • 13.1 miles road running + 1247 ft ascent

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