A pumptrack is a track made up of humps, compressions and parabolics , is quite similar to a BMX track, but specific for mountain bikes.
«Track» means trace and «pump» tells that the user should try to increase his speed by "pumping" without the need to pedal.
Using a Pumptrack is fun and also a bit phisically demanding. It's a great way to improve balance, technical skills and coordination. This type of preparation helps a lot for mountain bike tracks as also the street traffic.
The local Pumptrack isn't only for professionals but it can also be for those amateurs who enjoy a new experience without any risk.
The difficulty, in fact, increases with the increasing of speed.