Crystal Springs Trail Run
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SPASM Crystal Springs Trail Run - Woodside, CA
The SPASM Crystal Springs Trail Run is scheduled for August 30, 2026 at Huddart Park in Woodside, California. The event includes multiple distances and a children's dash. Courses traverse redwood stands, ferns, and trails through Huddart Park, King's Mountain and Bear Gulch. Distances are measured with a Rolatape surveyor's wheel.
Distances
- 8K
- Half Marathon
- 35K
- Marathon
- 50K
- Kid's Run 50 yard dash for children 6 years and younger, free entry
Course wayfinding is marked with ribbon about every 200 yards and color coding by distance. Polka-dot flagging marks required turns; blue ribbons indicate wrong way. Headphones are allowed on dirt road sections only and are not permitted on single-track, when crossing paved roads, at aid stations, or while crossing the finish line. No dogs are allowed in the park or on the course.
Elevation gains range by distance: 8K 710 feet, Half Marathon 2,190 feet, 35K 2,990 feet, Marathon 3,790 feet, 50K 4,530 feet. Course surfaces vary from single track to dirt road and some asphalt.
Aid stations are fully stocked every 5 to 9 miles and provide fruit, salty snacks, candy, water, and Skratch electrolyte drink. The event is cupless; participants are asked to bring their own fluid container. Hydrapak SpeedCups are available for purchase at check-in. T-shirts are provided to pre-registered runners and all finishers receive a custom medal; 50K finishers also receive a custom coaster. Parking at Huddart Park is $6 per vehicle. Visit the organization's website for the most recent information.
