Ultra High: The 137-Mile Himalayan Marathon

Join six ultra runners as they take on one of the most grueling endurance challenges on Earth—the 137-mile high-altitude ultra marathon across the Himalayas. Ultra High follows these athletes as they push their limits, racing through the two highest motorable passes in the world, Khardung La and Tanglang La, at elevations reaching 18,300 feet. Battling hypothermia, exhaustion, and altitude sickness, the competitors have just 60 hours to complete the brutal course.

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