Sunrise to Sunset Castle Rock 2025

Castle Rock

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Sunrise to Sunset Castle Rock

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Saturday 31 May 2025 - Castle Rock

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Sunrise to Sunset Castle Rock is a mountain bike cycling event category race in United States, state Colorado. The edition Sunrise to Sunset Castle Rock 2025 will take place on Saturday 31 May 2025 with departure in Castle Rock, County Douglas, Colorado.

Organizer: Sunrise to Sunset Castle Rock began as a 24-hour race back in the day. Since then, the decision was made that 12 hours is plenty! STS is designed to offer recreational and competitive cyclists the opportunity to compete in a fun and rewarding 12 hour endurance race on a moderately technical off-road course. Register as an individual or form a team that loves to shred for a memorable day of racing, camaraderie and laughs.