Motorcycle racing

As motorcycles vary greatly in design, there are several different types of motorcycle racing contest, including

• Road racing[?] - racing on road circuits. In its purest form, this is racing on public roads, such as the Isle of Man TT course and some courses in Ireland. Due to the inherent dangers that these street venues often carry (such as narrowness, curbs and adjacent walls), there is a trend of moving the races to purpose-built tracks.
• motocross and its cousin supercross[?], racing on dirt courses, usually featuring large jumps in which motorcycles launch themselves over considerable distances.
• supermoto[?] is a crossover motorcycle racing between road racing and motocross. The motorcycles are mainly motocross types with road racing tyres. The racetrack is also mixed between road and dirt courses, mostly handcrafted.
• motorcycle speedway and ice speedway[?], held on oval circuits where riders slide their machines round turns.
• motorcycle enduro[?] racing, over long, unmade tracks, often through isolated terrian (such as the motorcycle category of the Paris-Dakar rally or the Six Days[?] endurance race).
• trial, where especially-designed motorcycles are ridden at quite slow speeds over a variety of obstacles.

Some of the most popular categories of circuit racing include:

Circuit Racing:

• Grand Prix motorcycles
• Superbike racing
• Pocketbike racing[?]