RAAM - alien cultures and headwinds

As a six-year professional mountain biker who's competed in twenty-eight solo 24-hour races, you'd think that ultra-endurance racing has consumed every waking hour of 35 year-old Nat Ross' adult life. But this lean, long-haired and laid-back Coloradoan has a more complete resume than even the most upwardly-mobile corporate go-getter - although that won't stop him going the distance when it matters.