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Calarat Challenge Trail Running Festival

Jamestown, United States • 30-31 Aug 2025

The Calarat Challenge Trail Running Festival takes place in Jamestown, Colorado, at the Cal-Wood Education Center, a nonprofit dedicated to outdoor education. Held over Labor Day weekend, the event features multiple trail races including a half marathon, 10K, 5K, Kids 1K, and combination races like 5K + half marathon and 5K + 10K. Runners traverse scenic trails on private properties of Cal-Wood and Balarat Outdoor Education Center.

The festival offers lodging, camping, a pasta dinner, and a post-race party with food, beer, and music. A Kid Adventure Time program is available for children during race morning, providing supervised outdoor activities. Dogs are not permitted, and no refunds are offered. Visit the organization's website for the most recent information.

United States Colorado Jamestown

Race information

Website Registration
26 km
5k + 1/2 Marathon
21 km
1/2 Marathon
15 km
5k + 10k
10 km
10k
5 km
Kids 1k
Visit the organization's website for the most recent information.
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