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 and 1982. By 1983, an arrangement was made such that the Indy 500 would continue to be sanctioned singly by USAC, but be it would be recognized on the CART schedule, and pay championship points towards the CART title. Starting in 1996, the Indianapolis 500 became part of the new Indy Racing League championship. All ties to the CART championship were severed. It was beginning of the second open-wheel "split." In 2008, when the two series unified as IndyCar, ending the "split," the Indianapolis 500 was now part of the unified IndyCar Series national championship. Since 2014, the Indy 500