Grassroots Motorsports is a print and digital periodical devoted to hardcore sports cars, driving skills improvement, technical advice, and amateur motorsports, such as road racing, autocross, and rallying. It covers the entire world of amateur motorsports. Motorsport Marketing is an event company that hosts or sponsors large annual events under the banner of one or both magazines. Some of its Grassroots-centric events are the Tire Rack Ultimate Track Car Challenge presented by Grassroots Motorsports, GRM Speedfest at the Classic Motorsports Mitty, and the GRM Experience at the Rolex 24 at Daytona. Staff members are also present at most large national and regional automotive enthusiast events that involve modern or vintage sports cars. From auto-crossing to vintage racing to rally, if it's sports-car oriented, Grassroots Motorsports magazine covers it! In addition to its how-to, do-it-yourself articles, many issues feature cars and product tests. Grassroots Motorsports covers motorsports action from around the country.