The Brechfa Trail Half Marathon & Marathon on 14 March 2026 are held in Brechfa Forest, only 90 minutes from Cardiff.
Experience gorgeous routes with open panoramic views, quiet and serene pine forests, and waterfall laden deciduous woods. The Marathon is 2 loops of the Half Marathon course.
The route is fully signed and marshalled.
Half Marathon
Marathon
The event base is at Keepers Car Park, Brechfa Forest.
Please note: the map location may be approximate. Refer to the event website for start lines and course maps.
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This listing was last manually checked on 20 October 2025.
