Patrick Sweeney is a world-class athlete and adventure-seeker who is drawn to extremes. This week he is preparing to race the longest, coldest ultra endurance event in the world, the Iditarod Trail Invitational. Filming himself every step of the way, Patrick breaks down how he prepares both mentally and physically for a 350-mile fat bike race across -40 degree Alaskan forests, mountains and tundra totally unsupported. Did we mention it was in dead of winter and you barely get to sleep? From how to prepare your bike gears to how to deal with last minute injuries and sleep deprivation, Patrick is covering all the bases.