There are many reasons to run an ultra-trail race, but are there many to run two of the hardest ultra-trail races in the world with only 6 weeks in between? Let the ultra legends Courtney Dauwalter and François D'haene take you onboard the biggest challenge of their lives as they take on the Hardrock 100 and the Ultra Trail du Mont-Blanc®️ during the summer of 2021.
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