Get access to more than 30 brands, premium video, exclusive content, events, mapping, and more.
Get 25% Off Outside+
The One Subscription to Fuel All Your Adventures
Colin O'Brady completed the first solo crossing of the Antarctic landmass under his own power and with no resupplies in 2018. In this excerpt from his new memoir, 'The Impossible First,' he reveals the moment that nearly ended his historic feat.