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.
James Stewart Jr., also known as Bubba Stewart, is an American former professional motocross racer who competed in the AMA Motocross Championship and the AMA Supercross Championships. Through his years of racing, he earned the nickname "The Fastest Man on The Planet".
Richard Joseph Carmichael is an American former professional motocross and stock car racing driver. He competed in the AMA Motocross Championships from 1997 to 2007 and in NASCAR from 2008 to 2011. His unrivaled successes in the sport of motocross earned him the nickname "The GOAT"; standing for Greatest of All Time. He won 15 AMA championships (1st), 10 in Motocross (1st), five in Supercross (2nd); scored 150 wins (1st), 102 in Motocross (1st), 48 in Supercross (4th); had two perfect Motocross seasons; was never beaten in 125 Supercross; and was a five-time winner of the AMA's Rider of the Year award.
Chad Mark Reed is an Australian motocross and supercross racer. He is a two-time AMA Supercross 450cc champion, a one-time AMA Motocross 450cc champion, record holder for the most main event starts in AMA Supercross history with 265 starts, as well as podium finishes with 132.
Kevin Windham, is an American former professional motocross racer. At 17 he received a full factory ride from Team Yamaha. He has raced for many factory teams and holds several titles, back to back AMA 125 West Supercross Championships in 1996 and 1997, the 2005 Motocross des Nations team championship, and 2nd in points for the 2008 supercross season. In 1999 Windham won the United States Grand Prix of Motocross held at Budd's Creek, Maryland. Despite his longtime status as one of the world's fastest motocross racers, he is yet to win a major National or World Championship. He is better known by the nickname K-Dub on the racing scene. He announced his retirement from racing at the third round of the 2013 Supercross season.
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 sanctioned by AMA Pro Racing and managed by MX Sports Pro Racing.
Ryan Dungey is an American retired professional motocross and supercross racer. He competed in the AMA Motocross Championships from 2006 to 2017 and again in 2022. He is a four-time 450cc AMA Supercross Champion, a three-time 450cc AMA Motocross Champion, a one-time 250cc AMA Supercross West & 250cc AMA Motocross Champion.
The 2009 AMA Supercross season was the thirty-sixth AMA Supercross Championship season. It was also the second season with the World Supercross Championship designation. James Stewart Jr. claimed his second title, after winning eleven of the seventeen rounds.
Ken Roczen is a German professional motocross and supercross racer. He competed in the Motocross World Championships from 2009 to 2011 and the AMA Supercross Championships since 2011. He is the 2011 MX2 World Champion, a two-time 450cc AMA Motocross Champion, the 2013 AMA Supercross 250cc West Champion & a two-time FIM World Supercross WSX Champion. He was also a member of the winning German team at the 2012 Motocross des Nations.
Eli Tomac is an American professional Motocross and Supercross racer who competes in the AMA Supercross and Motocross championships; a two-time AMA 450cc Supercross champion, four-time AMA 450cc motocross champion, one-time AMA 250cc Supercross and AMA motocross champion. He is second all-time in 450cc AMA Supercross wins with 52, and third all-time in 450cc AMA Motocross wins with 32.
The Monster Energy Cup is an exhibition race hosted by the AMA Supercross Championship that takes place in the Fall. The event started in 2011 and has been held at the Sam Boyd Stadium in Las Vegas every year since. A US $1 million purse is available to any rider who is able to win all three featured races.
Jason Anderson is an American professional Motocross and Supercross racer. He has competed in the AMA Motocross and Supercross championships since 2011. Nicknamed "El Hombre", he is the 2018 450cc AMA Supercross Champion, the 21st winner of the Supercross title.
Cooper Webb is an American professional Motocross and Supercross racer competing in the AMA Supercross and Motocross championships; a two-time 450cc AMA Supercross Champion, a two-time 250cc AMA Supercros West Champion & a one-time 250cc AMA Motocross Champion.
The 2019 AMA Supercross Championship was an American motorcycle racing championship that took place from January 5, 2019 - May 4, 2019 over 17 rounds at various stadiums across the United States.
The 2021 AMA Supercross Championship was the 48th season of professional Supercross racing in the United States. The series is sanctioned by the FIM as the world championship of the sport.
The FIM Supercross World Championship is the premier championship for international stadium supercross racing. It is organized by the Fédération Internationale de Motocyclisme (FIM), the global governing body of motorcycle racing.
The 2022 AMA Supercross season is the 49th season of professional stadium off-road motorcycle racing in the United States.
Jett Lawrence is an Australian Motocross racer. Competing in the AMA Supercross & Motocross Championships; a one-time 450cc AMA Supercross & 450cc AMA Motocross Champion, a two-time 450cc SMX, 250cc AMA Motocross, & 250cc AMA Supercross Champion.
The 2023 AMA Supercross Championship was the 50th season of off-road stadium motorcycle racing in the United States. Comprising 17 rounds, the series ran from January until May, crowning supercross champions in both the 250cc and 450cc classes, concluding with the Salt Lake City round on May 13.
Shane McElrath is an American professional Motocross and Supercross racer.
Eli Tomac 
