Moto gp racing Due to impending weather, the Virginia Mega Mile began with the Grand National Championship class heat races instead of the Pro Singles. Fans were greeted .\r<br>\r<br>The top-two finishers out of each Grand National Championship (GNC) heat race battle it out in the Dash for Cash - A four lap sprint race where the winner .\r<br>\r<br>Watch all three heat races from the inaugural Virginia Mega Mile at Colonial Downs. The top-two finishers in each heat race advance to the Dash for Cash.\r<br>\r<br>Check out the AMA Pro Flat Track Grand National Championship Expert Main event from Colonial Downs, the highlight of the 2014 Virginia Mega Mile.
