The FIA World Drivers' Championship included the Indianapolis 500 between 1950 and 1960, so many Kurtis Kraft cars are credited with competing in that championship. One Kurtis midget car was also entered in the 1959 Formula One United States Grand Prix driven by Rodger Ward. It was not designed for international-style road racing and with an undersized engine it circulated at the back of the field for 20 laps before retiring with clutch problems.