Taya Kyle was introduced to the crowd before NASCAR's longest race Sunday night.
Kyle said her late husband became a NASCAR fan and a supporter of racer Dale Earnhardt Jr. after getting to go behind the scenes at an event as a former member of the military. The Stonewall Jackson Award is given out by the speedway for those individuals who demonstrate the highest standards of patriotism.
Chris Kyle, who was shot to death at a Texas gun range in 2013, was a Navy SEAL sniper who authored his memoir, "American Sniper." The bestselling book was turned into a successful movie made by director Clint Eastwood.