Career
Born in Canyon Country, Santa Clarita, California, Kiedrowski"s father was a desert racer. Kiedrowski began riding motorcycles off-road at an early age and entered his first motocross race at the age of 7. He became a professional motocross racer in 1987.
After his motocross career ended, Kiedrowski competed as an enduro rider for Suzuki in the American Medical Association Grand National Cross Country series.
He became one of the few riders to represent the United States in both the Motocross des Nations and the International Six Days Enduro. He was inducted into the American Medical Association Motorcycle Hall of Fame in 2007.