The Obudu Ranch International Mountain Race is an annual 11.25 km mountain running competition that takes place in late November in Obudu, Cross River State, Nigeria. First held in 2005, it has the largest total prize money available of any mountain race and is known as "the world's richest mountain race". The men's and women's competition winners receive US$50,000 each, and there is a total prize pot of around $250,000. The combination of the distance of the race and the rewards on offer means …