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.
Jeremy McGrath is a former American motocross racer. He is one of the most popular American Motocross/Supercross champions in the history of the sport, earning seven AMA Supercross 250cc Championships, one 250cc AMA Motocross Championship, two 125cc West Championships and a record 72 Premier class Supercross wins. He was most active in the 1990s earning the title the "King of Supercross".
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.
Donny Schmit was an American professional motocross racer. He competed in the AMA Motocross Championships from 1986 to 1989 and, in the Motocross World Championships from 1990 to 1994. Schmit was notable for being a two-time motocross world champion, winning the 125cc title in 1990 and the 250cc championship in 1992.
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.
Michael Wayne “Mike” LaRocco is an American former professional motocross and supercross racer. He competed in the AMA Motocross Championships from 1988 to 2006. During his nineteen-year professional motocross career, LaRocco won two AMA Motocross Championships and one FIM World Supercross title. He was inducted to the AMA Motorcycle Hall of Fame in 2014.
Sébastien Tortelli is a French former professional motocross and supercross racer. He competed in the Motocross World Championships from 1994 to 1998 and, competed in the AMA Motocross Championships from 1999 to 2005. He returned to Europe to compete in the 2006 FIM Motocross World Championship for his final season of professional motocross. Tortelli is notable for winning two FIM motocross world championships. He was one of the few competitors who could beat both Stefan Everts and Ricky Carmichael in their prime.
Ernesto Fonseca, also known as "El Lobito" and "The Fonz", is a retired professional motocross and supercross racer from Costa Rica.
Robert William Hannah is an American former professional motocross racer. He competed in the AMA Motocross Championships from 1975 to 1989, most notably as a member of the Yamaha factory racing team. He was one of the most successful motocross racers in AMA history, with 70 AMA race victories and seven championships.
David Vuillemin is a French former professional motocross and supercross racer. He competed in the Motocross World Championships from 1995 to 1999 and won the 1999 supercross world championship. He competed in the AMA Motocross Championships from 2000 and 2008 before returning to the Motocross World Championships for one final season in 2009. Although Vuillemin never won a major championship, he was twice the runner-up in the AMA Supercross championships and, was one of the few competitors who could beat both Jeremy McGrath and Ricky Carmichael in their prime.
Ryan Villopoto is an American former professional motocross and supercross racer who competed in the AMA Motocross Championships from 2005 to 2014; a four-time 450cc AMA Supercross Champion, a two-time 450cc AMA Motocross Champion, a three-time 250cc AMA Motocross Champion & a one-time 250cc West Supercross Champion. He was also a member of the winning USA team at the 2006, 2007, 2008 & 2011 Motocross Des Nations.
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.
Mickaël Pichon is a French former professional motocross and supercross racer. He competed in the Motocross World Championships from 1992 to 1994 and in the AMA Motocross Championships from 1995 to 1999, before returning to compete in the Motocross World Championships from 2000 to 2009. Pichon is notable for winning the 250cc motocross world championship in 2001 and 2002. His 38 career Grand Prix victories ranks him ninth overall among motocross world championship competitors.
Eli Phillip Calvin Tomac is an American professional Motocross and Supercross racer competing in the AMA Supercross and Motocross championships; a two-time 450cc AMA Supercross Champion, a four-time 450cc AMA Motocross Champion, a one-time 250cc AMA Supercross & 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.
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.
Dylan Ferrandis, is a French motorcycle racer from Avignon, France. He competes in the AMA Supercross and AMA Motorcross Championships for Phoenix Honda. He was part of the winning French team at the 2014 & 2018 Motocross des Nations. Ferrandis is a two-time AMA Supercross 250cc West champion, a one-time 250cc & 450cc AMA Motocross champion.
Jettson Lawrence is an Australian Motocross racer. Competing in the AMA Supercross & Motocross Championships; a one-time 450cc AMA Supercross, 450cc AMA Motocross & 450cc SuperMotocross Champion, a two-time 250cc AMA Motocross, & 250cc AMA Supercross Champion.
Aaron Plessinger is an American professional motocross and supercross racer. Plessinger has ridden professionally in the AMA Supercross Championship and the AMA Motocross Championship since 2015. He is a one-time AMA Supercross 250cc West & AMA Motocross 250cc Champion.
Haiden Deegan is an American professional Motocross and Supercross racer competing in the AMA Supercross and Motocross championships. He is the 2023 250cc SuperMotocross Champion.
