Road America is a permanent race track located near Elkhart Lake, Wisconsin, United States. It has been part of the GPGSL calendar three times, hosting the United States Grand Prix in Season 7, Season 9 and Season 11. In Season 9 Ed Greenhalgh took his first win for Martini Paddock Racing, in Season 11 Christopher Hinz took his maiden GP win in his 110th start.
|7||United States Grand Prix||Ruben Greidanus||Team Shadow||58min 42.031s||38|
|9||Ed Greenhalgh||Martini Paddock Racing||35min 54.924s||22|
|11||Christopher Hinz||Aston Martin Racing||40min 17.494s||24|