Dirt biking

thumb|A motocross rider coming off a jump thumb|Motocross championship Motocross (abbr. MX) is a form of off-road motorcycle racing held on enclosed off-road circuits. The sport evolved from motorcycle trials competitions held in the United Kingdom.

thumb|upright=1.0|Four-time world champion Stefan Merriman on a Yamaha Enduro is a form of motorcycle sport run on extended cross-country, off-road courses. Enduro consists of many different obstacles and challenges. The main type of enduro event, and the format to which the World Enduro Championship is run, is a time-card enduro, whereby a number of stages are raced in a time trial against the clock.

non-speed event on specialized motorcycles

variation on the sport of motocross

thumb|upright=1.35|Cornering in a tarmac section thumb|upright|Through the dirt

Motorcycle type

Form of racing that uses cars, motorcycles, snowmobiles, all-terrain vehicles, or other motorized vehicles

thumb|right|350px|The Holeshot of a sidecarcross race

enduro race in Austria

Thumpstar is a pit bike manufacturer that was founded in Australia in 2004 by Timothy Hunter, a motor-cycle dealer and racer.

2013 documentary film directed by Lotfy Nathan

thumb|2011 Barcelona Indoor Enduro course thumb|Graham Jarvis at the 2011 Barcelona Indoor Enduro

British motorcycle manufacturer