Career
He was one of the top riders in the during the 1960s. Tibblin is remembered as one of the more physically fit motocross racers of his era. He finished second to Jeff Smith in the 1964 world championship, before switching to the ČZ team for the 1965 season.
He finished third in the 1965 championship behind Jeff Smith and Paul Friedrichs.
In the 1966 season, he came in second behind Friedrichs. After retiring from professional competition, Tibblin ran the "Husqvarna International Training Center".
A motocross school in Carlsbad, California during the mid-1970s as the sport enjoyed a boom in popularity. In 2008, he was inducted into the American Medical Association. Motorcycle Hall of Fame.
