Are you ready?
The Mongol Derby is the longest and toughest horse race in the world.
The 1000km course recreates Chinggis Khaan's legendary empire-busting postal system. Riders change horses every 40km and stay with the local herders or camp under the stars.
Every year 40 professional, semi-professional and enthusiastic amateur riders compete for the derby crown.
To stand a chance of finishing riders must balance survival skills and horsemanship. They must endure the elements, semi-wild horses as well as unfamiliar food and terrain.
Completing the world's longest horse race is an achievement few can boast.
In our attempt to save the world we ask that each and every rider raises £1000 for charity. Read more here.