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The Calling starts at the Visitors Centre of Huay Nam Dang National Park, then takes you across the main road through a beautiful landscape and down to Pai Historical Bridge. The latter part of the course is the same as "Ridge Line", which is a lot more challenging than the first part.
Born in July 2013, the ITRA (International Trail Running Association) aims to give a voice to parties involved in trail running in order to promote its strong values, its diversity, the safety of races and the health of runners, as well as to further the development of trail running and ensure a constructive dialogue between the national and international bodies with an interest in the sport.
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Pai, Thailand
