A1 Grand Prix be run in South Africa during the southern hemisphere summer. A1 Grand Prix A1 Grand Prix (A1GP) was a 'single make' open wheel auto racing series that ran from 2005 until 2009. It was unique in its field in that competitors solely represented their nation as opposed to themselves or a team, the usual format in most formula racing series. As such, it was often promoted as the "World Cup of Motorsport". The series was ratified by the Fédération Internationale de l'Automobile (FIA) and races were held in the traditional Formula One off-season, the northern hemisphere winter. The nation-based A1GP
American open-wheel car racing at the Indianapolis Motor "Speedway" and other major "speedways", as opposed to those driven at smaller tracks, for instance. However, the term "Champ Cars" prevailed as the preferred moniker. In most years since the USAC era, the term "Indy cars" (after the Indy 500) has taken over as the preferred moniker. Apropos to that, when CART was founded in 1979, its acronym stood for "Championship Auto Racing Teams", which reflected the historical use of the term "Championship Car." Soon thereafter, CART started exclusively marketing itself with the two-word "Indy car" term, advertising itself as the "CART Indy Car World Series."