Education
He finished in the top ten 6 times, with his best finish in 6th position in 1970 at the Indianapolis Raceway Park road course.
He finished in the top ten 6 times, with his best finish in 6th position in 1970 at the Indianapolis Raceway Park road course.
He raced in the 1970-1973 and 1976-1981 seasons, with 39 combined career starts, including the 1972 and 1977-1979 Indianapolis 500. Qualified for the 1971 Indianapolis 500 but was replaced by his teammate who did not qualify, Dick Simon, due to sponorship commitments. John did not come away empty handed as the American Auto Racing Writers and Broadcasters Association bestowed upon him its Jigger Award for the driver with the most hard luck.
Mahler currently owns and operates Classic Concrete Designs in Kansas City, Missouri.
American Open-Wheel racing results
(key) (Races in bold indicate pole position, races in italics indicate fastest race lap)
= SCCA National Championship Runoffs = Industry 500 results =.
He was the fastest qualifying "rookie" in 1972 despite qualifying the year prior and a member of the 1977 and 1979 Last Row Party for earning a position in the 11th and final row of the starting grid.