[VIDEO] Sufferfest: National Geographic Live with Alex Honnold and Cedar Wright

In the harsh desert of the American Southwest, famed climbers Alex Honnold and Cedar Wright summited 45 rock towers, biked 700 miles, and pushed their bodies to the limits, all in the name of an adventure they aptly dubbed "Sufferfest."

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The National Geographic Live series brings thought-provoking presentations by today’s leading explorers, scientists, photographers, and performing artists right to you. Each presentation is filmed in front of a live audience at National Geographic headquarters in Washington, D.C. New clips air every Monday.