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

Live and virtual options at Lake Chabot feature 5K, 10K, and a half marathon with multiple aid stations, on-course nutrition, race apparel and a woodallion, post-race beverages, and a brewfest atmosphere.

A 10-mile trail race in Redwood Regional Park starting and finishing at Chabot Space & Sciences Center, featuring single-track trails, steep climbs including the Woodmonster, staggered handicap starts and a team competition.

Map based 5K and 10K adventure starting at Ghirardelli Square. Teams of one to five navigate custom maps to tag checkpoints, then gather afterward for snacks and drinks in a rain or shine event.

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.

Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.