Ten Recipients Of The Congressional Medal Of Honor Will Serve As Grand Marshals For The Upcoming Food City 300 At Bristol Motor Speedway. U.S. Army Veteran And Paralympic Alpine Skier Heath Calhoun Has Been Named Honorary Starter. A Retired Army Staff Sgt., Calhoun Was Born In Bristol, Tennessee And Lived In Grundy, Virginia. The Nascar Race Is Set For August 22nd. As Grand Marshals, They Will Give Drivers The Command To Start Engines.