The World's Toughest Horse Race
The Mongol Derby is billed as the longest and toughest horse race in the world!
The 1000km course recreates Chinggis Khaan's legendary empire-busting postal system, with riders using a different semi wild horse every 40km, and living with herders or camping under the stars!
So what does it take to win it? Sportshour's Sarah Mulkerrins has been speaking to The South African Byeronie Epstein who has just won this years event
Photo: Byeronie Epstein (R) on her way to claiming victory in the 2015 Mongol Derby CREDIT: Saskia Marloh