Loudon NH 9/23/12 Kathryn Miele (cq), 8, of Salem, NH signs her autograph on the finish line in front of her brother, William Miele (cq), 7, and father, Chris Miele before the start of the NASCAR Sprint Cup Slyvania 300 at the Loudon Motor Speedway on Sunday September 23, 2012. (Matthew J. Lee/Globe staff) slug: 24nascar Section: sports reporter: Michael Vega