Crystal Springs Trail Run

Woodside, United States • 29 Aug 2026

SPASM Crystal Springs Trail Run

The event uses trails through Huddart Park, King's Mountain and Bear Gulch, passing areas of redwoods and dense ferns. It comprises multiple measured trail runs and a short children's dash held at Huddart Park in Woodside, California.

Distances offered include:

  • 50K (30.9 Miles, $90.00)
  • Marathon (26.2 Miles, $80.00)
  • 35K (22 Miles, $75.00)
  • Half Marathon (13.1 Miles, $70.00)
  • 8K (6.2 Miles, $60.00)
  • Kid's Run (50 Yards, free)
  • Coastal Testing (2 Miles, free)

Most running distances open registration on November 11, 2025 and close on August 23, 2026. The Kid's Run and Coastal Testing have registration windows that close on August 29, 2026. Fees for each distance are listed alongside the distance.

Distances are accurately measured using a Rolatape surveyor's measuring wheel. Visit the organization's website for the most recent information.

Race information

31 mi
50k
26 mi
Marathon
22 mi
35k
13 mi
Half Marathon
6 mi
Coastal Testing
Visit the organization's website for the most recent information.
Trail runs nearby

Bad Bass at Lake Chabot Marina in Castro Valley on July 18, 2026 features a paved 5K, a mixed-surface 10K and a mostly fire-trail half marathon with marked routes and stocked aid stations.

Trail running at Calero County Park with multiple distances across single track and dirt paths, significant climbs, aid stations and free parking at the park.

A historic 50k loop from and back to Lake Chabot Marina in Castro Valley with strong aid station support, a half marathon option, plant-based post-race food, and race swag including a shirt, socks, and medal.

Experience the trails of Redwood Regional Park in Oakland. Runners can choose from distances ranging from a 50 yard kids dash to a 50K ultramarathon through scenic ridge lines and redwood groves.

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