mountainbike rider on black bike raises dust cycling over a root passage of a secured race track while being watched by spectators

action ambition being bicycle bike black competition contest crowd cycle cycling danger dangerous depth dirt downhill driver dust enduro exciting extreme field focus forest frame freeride fun gravity helmet injury jump leisure limited many mountain mountainbike nature outdoor over passage pedaling people race racetrack raises rider risk root roots secured selective spectator spectators speed sport summer terrain thrilling tire track trail tree trend vegetation viewer watched wood woods