Boone, IA – March 16, 2022 – The United States Motorsports Association (USMA) announced today the results of a new independent study conducted by the USMA and Robert Dunn, Ph.D., Associate Professor of Economics, and Leslie Dunn Ph.D., Associate Professor of Economics at Washington & Jefferson College. The study measured the economic impacts of the International Motor Contest Association (IMCA) annual Super Nationals event in Boone, Iowa. The report concluded the Super Nationals produces $60 million annually in economic benefits throughout the region and across the State of Iowa. (more…)