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Flat Half marathons in North Wales in March 2026

Find flat half marathons in North Wales in March 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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  • Sun 1 Mar
  • £36-£42
Pwllheli, Gwynedd, UK

St Davids Day Celebration North Wales Pilgrims Half Marathon | Half Marathon

  • 21 km trail running
  • Sun 29 Mar
  • £40-£42
Llandudno, Clwyd, UK

Llandudno Half Marathon & 10 Mile | Half Marathon

  • 13.1 miles road running

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