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Trail Half marathons in Gwynedd in Spring

Find trail half marathons in Gwynedd in Spring - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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  • Sat 4 Apr 2026
Aberdyfi, Gwynedd, UK

Aberdyfi Half Marathon | Half Marathon

  • 21.1 km trail running + 850 m ascent

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