AMA announces 2010 AMA Racing ATV Extreme Dirt Track National Championship Series schedule

American Motorcyclist Association (AMA) PICKERINGTON, Ohio The American Motorcyclist Association (AMA) announced today the 2010 schedule for the AMA Racing ATV Extreme Dirt Track National Championship Series. Kicking off on May 8 in Burnsville, N.C., the series features the country's top ATV dirt-track racers and will award national titles in a number of age-, skill- and machine-based classes.