Published May 30, 2023

Conquering One of the Hardest Ultramarathons in the World, The Barkley Marathons, with John Kelly

Explore the relentless grit and strategic finesse required to conquer the Barkley Marathons as ultrarunner John Kelly shares his journey through endurance, mental fortitude, and recovery, revealing insights into optimizing performance with training metrics and WHOOP data.
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