RED BULL Sea to Sky is one of the most entertaining Hard Enduro events around.
Riders race from Turkey's beaches, through its forest and to the peak of the Olympos Mountain at an altitude of 2,365m.
But how do they do it?
This video, from Enduro Channel, shows the pros - famous names including Graham Jarvis, Mario Roman, Billy Bolt, Tim Coleman and Wade Young - teaching regular riders their skills.
Some succeed in imitating the pros, while others fail - and fall...
The Red Bull Sea to Sky is taking place over this weekend, so keep an eye out for some more awesome footage.