The sport evolved with sub-disciplines such as stadium events known as supercross and arenacross held in indoor arenas. Classes were formed also for all-terrain vehicles. Freestyle motocross (FMX) events where riders are judged on their jumping and aerial acrobatic skills have gained popularity, as well as supermoto, where motocross machines race both on tarmac and off-road. Vintage motocross (VMX) events take place – usually [quantify] for motorcycles predating the 1975 model year.Many VMX races also include a “Post Vintage” portion, which usually includes bikes dating until 1983.
The FIM Grand Prix Motocross World Championship is predominantly held in Europe, but also includes events in North America, South America, Asia, Australia, and Africa. It is the major Motocross series worldwide. There are three classes: MXGP for 450cc machines, MX2 for 250cc machines, and Women’s MX. Competitions consist of two races which are called motos with a duration of 30 minutes plus two laps.
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