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 that next step."
"UltraMarathon Man: 50 Marathons - 50 States - 50 Days", a Journeyfilm documentary, follows Dean’s incredible step-by-step journey across the country.