U.S. cross country champion and track standout Laura Thweatt ready for a new adventure with marathon debut in New York City

Laura Thweatt listed a lot of goals for 2015, but running a marathon wasn't one of them. But when she suffered an injury, her coach, Lee Troop, suggested she try something completely different. My story for ESPN.com's Endurance Sports section: http://espn.go.com/sports/endurance/story/_/id/13991585/endurance-sports-american-laura-thweatt-excited-make-marathon-debut-newyork