The AMA Supercross Championship is an American motorcycle racing series. Founded by the American Motorcyclist Association (AMA) in 1974, the AMA Supercross Championship races are held from January through early May. Supercross is a variant of motocross which involves off-road motorcycles on a constructed dirt track consisting of steep jumps and obstacles; the tracks are usually constructed inside a sports stadium. The easy accessibility and comfort of these stadium venues helped supercross surpass off-road motocross as a spectator attraction in the United States by the late 1970s.
Jim Pomeroy was an American professional motocross racer. He competed in the AMA Motocross Championships from 1972 to 1973 and in the Motocross World Championships from 1973 to 1976, before returning to compete in the AMA Motocross Championships from 1977 to 1978. Pomeroy is notable for being the first American competitor to win an overall victory in an FIM Motocross World Championship Grand Prix race.
Jeffrey "Jeff" Ward is a British-American former professional motocross racer, auto racing driver and off-road racer. He won the AMA Motocross Championship five times and the AMA Supercross Championship twice and the Motocross des Nations seven times. After retiring from motorcycle competition, Ward turned to auto racing, finishing in second place at the Indianapolis 500 and winning a race at the Texas Motor Speedway. He then competed in off-road truck racing and is currently competing in rallycross racing. Ward was inducted into the Motorcycle Hall of Fame in 1999 and, was inducted into the Motorsports Hall of Fame of America on 12 August 2006.
Roger De Coster is a Belgian former professional motocross racer and current Motorsport Director of KTM and Husqvarna North America. De Coster's name is almost synonymous with the sport of motocross, winning five Motocross World Championships during the 1970s and tallying a record 36 500cc Grand Prix victories. His stature is such in the sport of motocross that he is often simply referred to as "The Man." As a team manager, he captained the first American team to win the Motocross des Nations in 1981. De Coster was inducted into the AMA Motorcycle Hall of Fame in 1999. The motorcycling publication Cycle News named him Motocrosser of the Century in 2000. In 2010, he was named an FIM Legend for his motorcycling achievements.
Brad Lackey is an American former professional motocross racer. He competed in the AMA Motocross Championships from 1970 to 1972 and, in the Motocross World Championships from 1973 to 1982. Lackey was notable for becoming the first and only American to win the 500cc motocross world championship in 1982. Nicknamed "Bad Brad", Lackey was inducted into the Motorcycle Hall of Fame in 1999 and, in 2013 he was inducted into the Motorsports Hall of Fame of America.
Marty Smith was an American professional motocross racer. He competed in the AMA Motocross Championships from 1974 to 1981. He won three AMA National Motocross championships, all aboard Hondas, and was runner-up twice. With his long hair and Southern California surfer looks, he was a popular figure among race fans.
Marty Tripes is an American former professional motocross racer. He competed in the AMA Motocross Championships from 1972 to 1980. He was one of the leading American motocross and supercross racers during the 1970s. Tripes rose to national prominence in 1972 as a teenage prodigy when, he defeated some of the best riders in the world to win the first-ever stadium supercross race in the United States.
Jimmy Weinert is an American former professional motocross and supercross racer. He competed in the AMA Motocross Championships from 1972 to 1980. Weinert won 22 AMA Nationals and three AMA national championships during his racing career. In 1973, Weinert became the first American to defeat international-level riders in the Trans-AMA motocross series. That victory marked a turning point that brought American motocross up to par with the then dominant European riders.
The AMA Motocross Championship is an American motorcycle racing series. The motocross race series was founded and sanctioned by the American Motorcyclist Association (AMA) in 1972. The series is the major outdoor motocross series in the United States and is managed by MX Sports Pro Racing.
Gary Jones is an American former professional motocross racer. He competed in the AMA Motocross Championships from 1971 to 1976. Jones is notable for winning the inaugural AMA 250cc motocross national championship in 1972. Jones then successfully defended his national championship in 1973 and 1974, winning three consecutive 250cc motocross national championships while competing on three different brands of motorcycles, a feat which has never been repeated in AMA motocross history. He was inducted into the AMA Motorcycle Hall of Fame in 2000.
Åke Jonsson is a Swedish former professional motocross racer. He was one of the top riders in the Motocross World Championships during the late 1960s and early 1970s. Jonsson came close to winning the world championship title in 1968, 1970 and in 1971 when he led the championship going into the final round when, a mechanical failure ruined his bid.
John Banks is a British former professional motocross racer. He was a top contender in the F.I.M. 500cc Motocross World Championship during the late 1960s and early 1970s where, he placed five times in the top five including two second place finishes.
The 1970 Trans-AMA motocross series was an international series established by the American Motorcyclist Association as a pilot event to help establish motocross in the United States. The motocross series was an invitational based on a combined 250 and 500cc engine displacement formula, run on American tracks featuring the top riders from the F.I.M. world championship against the top American riders.
The 1971 Trans-AMA motocross series was the second annual international series established by the American Motorcyclist Association as a pilot event to help establish motocross in the United States. The motocross series was an invitational based on a 500cc engine displacement formula, run on American tracks featuring the top riders from the F.I.M. world championship against the top American riders.
The 1974 Trans-AMA motocross series was the fifth annual international series established by the American Motorcyclist Association as a pilot event to help establish motocross in the United States. The motocross series was an invitational based on a 500cc engine displacement formula, run on American tracks featuring the top riders from the F.I.M. world championship against the top American riders.
Gavin Trippe was a motorcycle racing promoter, journalist, and publisher who was inducted to the Motorcycle Hall of Fame in 2005. He died following an automobile accident in California.
The 1972 AMA Motocross Championship season was the 1st AMA Motocross National Championship season.
The 1973 AMA Motocross Championship season was the 2nd AMA Motocross National Championship season.
The 1974 AMA Motocross Championship season was the 3rd AMA Motocross National Championship season.
