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.

Race information

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