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Crystal Springs Trail Run

Woodside, United States • 31 Aug 2025

The SPASM Crystal Springs Trail Run takes place in Woodside, California, at Huddart Park, offering runners a scenic experience through towering redwoods, lush ferns, and trails in Huddart Park, King's Mountain, and Bear Gulch. The event features multiple distances: 8K, Half Marathon, 35K, Marathon, 50K, and a free Kid's Run for children six and under. Courses are well-marked with color-coded ribbons and polka-dot flags indicating turns, traversing single-track trails, dirt roads, and some asphalt.

Elevation gains range from 710 feet (8K) to 4,530 feet (50K). Aid stations stocked with refreshments are spaced every 5-9 miles. The race promotes environmental care by being cupless and encourages courteous trail use. Visit the organization's website for the most recent information.

United States California Woodside

Race information

Registration
50 km
4530 m+
50k
26 mi
3790 m+
Marathon
35 km
2990 m+
35k
13 mi
2190 m+
Half Marathon
8 km
710 m+
Kid's Run (6yo & Younger, 50yd Dash) - Free!
Visit the organization's website for the most recent information.
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