The world’s greatest skyrunner shares the shoes, fitness tracker, and practices that let him climb every mountain in the Western United States in just 31 days.The world’s greatest skyrunner shares the shoes, fitness tracker, and practices that let him climb every mountain in the Western United States in just 31 days.
What Kilian Jornet Packs to Climb Every 14er in the Mountain West in 31 days from Wired Adrienne So
