Dean Karnazes

Ultramarathon Man: Confessions of an All-Night Runner

by Dean Karnazes

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 and urge Americans of all fitness levels to "take...

50/50: Secrets I Learned Running 50 Marathons in 50 Days -- and How You Too Can Achieve Super Endurance!

by Dean Karnazes

Discover the secrets for super endurance-from one of the fittest men on the planet!

Dean Karnazes has run 350 continuous miles through three sleepless nights, ordered pizza during long runs, and inspired fans...