South Africa, 39 years old

Ryan entered the trail world in 2008 by winning two of the 4 Deserts race series, then in 2009 and 2010 he won the other two and so became the only competitor to have won all four of these races. In 2011, he won the Leadville Trail 100, his first 100-mile race, and thus established himself as one of the great names in ultra-trail running.