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Fourteen-year-old Kyle Strait shocks the world of mountain biking when he enters his first freeride competition; Surfers rub their eyes in disbelief at Micronesia's Caroline Islands. Skier Sage Cattabriga-Alosa builds on a youth spent speeding down mountains. Divide & Conquer drops runners, kayakers, mountain bikers and paragldiers in the thick of a brutal relay race.