The New York City Triathlon is this Sunday and for the 3,000 plus competitors who have the pleasure (privilege? punishment?) of taking a swim in the mighty Hudson at the crack of down, ingesting carbs is a priority between now and then. So what are some of the best pasta dishes in the city to fuel these athletes? Here are our suggestions. Michael Psiliakis' gnudi (pictured) at Mia Dona is a plate of mushroomy truffle......