IE 11 is not supported. For an optimal experience visit our site on another browser.

Endurance athlete Colin O’Brady details his plan to scale K2 in winter


Climbing K2, one of the most challenging mountains in the world, is difficult enough, but adventurer Colin O’Brady is trying to do it in winter, along with at least four other teams of mountaineers trying to reach the milestone first. NBC’s Gadi Schwartz reports for TODAY.