The group's principal activity is to market and promote motorsports entertainment in the United States. The group operates four permanent motorsports tracks and one temporary circuit in four states. The group promotes its events in four premier sanctioning bodies in motorsports. The four sanctioning bodies in motorsports include the national association for stock car auto racing (nascar), championship auto racing teams (cart), the indy racing league (irl) and the national hot rod association (nhra). The group also organizes and promotes the toyota grand prix of long beach in long beach, California and the grand prix of denver in denver, Colorado.
