Climbing 300 meters of the steep trail at Costa Rica's highest peak, Cerro Chirripó, turned this reporter into a sweating, panting mess. The Chirripó trail is one of Costa Rica's toughest climbs, and hikers normally take multiple days to conquer it. But on Feb. 22, 225 people will sprint up the mountain for an annual race, the Carrera de Chirripó.
