Mountain bikers around the world: There's a new adventure race happening in August in Costa Rica – the 100-mile Rincón de la Vieja Challenge.
The mountain bike endurance race is set for Aug. 24, 2013, starting off from Hotel Hacienda Guachipelin at Rincón de la Vieja Volcano in Guanacaste. The 100-mile race is the first of its kind in Costa Rica and Latin America, and according to race promoters, is the only race in the world to circumnavigate an active volcano.
Located in Costa Rica's northern Pa