High Quality Content by WIKIPEDIA articles! The Champ Car Grand Prix of Road America was an open wheel car race held on the Road America circuit in Elkhart Lake, Wisconsin. It was a round of the Champ Car World Series for most of Champ Car`s existence, the first race being held in 1982. Prior to its cancellation in 2008 with the absorption of the Champ Car circuit into the rival Indy Racing League, the race at Road America had been held annually every year since with the exception of 2005.