HARD ENDURO. It's like riding the world's fastest rollercoaster blind.
Riders have to be on top of their game not only physically, but also mentally, with reaction times faster than a cheetah on crack.
'Why?' you may ask. Well, just take a look at this near miss...
After crashing on a section of deep sand, the first rider runs to pull his machine from the filming rider's path. But as he does so a third rider gets involved in the melee.
He appears to use the crashed bike as a take off ramp and misses the first rider by milimetres. How absolutely terrifying.
Luckily it appears all three emerged unharmed, although I doubt the same the same can be said for their pants.