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Marathons in Wales in March 2025

Find marathons near me in Wales in March 2025 - search by date or place, display on a map or use the advanced search to find your perfect race.

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  • Sat 1 Mar 2025
Haverfordwest, Pembrokeshire, UK

Ras Dewi Sant | Full Marathon

  • 26.2 miles trail running
  • Sun 16 Mar 2025
Burry Port, Dyfed, UK

Great Welsh Marathon Events | Full Marathon

  • 26.2 miles road running
  • Sat 22 Mar 2025
Carmarthen, Dyfed, UK

Brechfa Trail Races: Half Marathon & Marathon | Marathon

  • 26 miles trail running

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