Tags: Motorsport Racer, Racing Driver.
John Mahler (born November 16 1936 Alpha Iowa) is a former open wheel race car driver in the USAC and CART Championship Car series. He raced in the 1970-1973 and 1976-1981 seasons with 39 combined career starts including the 1972 and 1977-1979 Indianapolis 500. He finished in the top ten 6 times with his best finish in 6th position in 1970 at the Indianapolis Raceway Park road course.