Definitely, a risk sport. This competition is usually done through forests or hills, in circuits of 4 to 6 kilometers. Cyclists drive on narrow roads, with steep slopes and very fast descents, crossing natural and artificial obstacles. The event is divided into men and women.
Like BMX, it began in California during the 70s, however, its origins date back to 1933. Gary Fisher, one of the mountain biking pioneers, adapted his Schwinn bike and modified the speed, so he could use it to go uphill.