Rabbit Run Wales offers a trail-running paradise on the stunning South Wales coast, where runners can choose from a thrilling 12K, Marathon (42.2K) or epic Ultra (65K) amid hills, valleys, sand dunes and rivers on the private Merthyr Mawr Estate and Glamorgan Heritage Coast. Whether you’re chasing speed over sandy singletrack, tackling dramatic coastal paths and plunging cliffs, or pushing your limits over the ultra distance, this annual summer event offers scenic challenge and adventure for every trail runner.