At eighteen-years-old, Gus Schumacher remains composed in what is a pressure cooker of endurance sport. There he was last week on his home tracks of Kincaid Park in Anchorage, AK., claiming four first place medals and providing locals a deep-well of pride. If in fact this young man is stressed before or during a race, it’d be hard to notice. And maybe part of that demeanor has to do with his preparedness. Schumacher is prepared. ...