In one of his most ambitious physical efforts to date, Dean Karnazes attempted to run 50 marathons, in 50 states, in 50 days to raise awareness of youth obesity

The Road to Sparta is the story of the 153-mile run from Athens to Sparta that inspired the marathon and saved democracy, as told--and experienced--by ultramara

"After a decade-long addiction to crack cocaine and alcohol, Charlie Engle hit rock bottom after a near-fatal six-day binge ended in a hail of bullets. Then he

“A Runner’s High wakes up the appetite to run long distances. Dean takes us on a lifelong journey of ultramarathons, through the ups and downs, the friendsh

An influential ultra-marathoner shares the stories of his athletic achievements in some of the world's most exotic and inhospitable regions, where he pushed the