Crystal Springs (Winter) Trail Run

Woodside, United States • 17 Jan 2027

Crystal Springs (Winter) Trail Run : Woodside, CA

The Crystal Springs Trail Run takes place on January 17, 2027 at Huddart Park (Werder Shelter) in Woodside, California. The route passes through Huddart Park, King's Mountain, and Bear Gulch and features towering redwoods and lush ferns.

Distances offered

  • 8K
  • Half Marathon
  • 35K
  • Marathon
  • 50K
  • Kid's Run 50yd dash, ages 6 and younger, free

Courses are marked with ribbon approximately every 200 yards and use color coding by distance. Polka-dot flagging indicates turns and blue ribbons mark wrong ways. Aid stations are fully stocked roughly every 5 to 9 miles with fresh fruit, salty snacks, candy, water, and electrolyte drink. Runners are advised to carry at least 20 oz of water between aid stations.

Surface and elevation (summary)

  • 8K: Elevation gain 710 feet, single track 48 percent, dirt road 40 percent, asphalt 12 percent.
  • Half Marathon: Elevation gain 2,190 feet, single track 78 percent.
  • 35K: Elevation gain 2,990 feet, single track 87 percent.
  • Marathon: Elevation gain 3,790 feet, single track 72 percent.
  • 50K: Elevation gain 4,530 feet, single track 72 percent.

Event logistics note that bibs and shirts are distributed at the park on race day. Parking is $6 per vehicle and dogs are not allowed in the park. The event is cupless; participants are asked to bring their own fluid container. Time limits apply to events, with an overall limit of 8.5 hours and intermediate cutoffs at the Bear Gulch aid station for the marathon and 50K. Visit the organization's website for the most recent information.

Race information

50 km
50k
Marathon
Marathon
35 km
35k
Half Marathon
Half Marathon
8 km
Kid's Run (6yo & Younger, 50yd Dash)
Visit the organization's website for the most recent information.
Trail runs nearby

Dirt Circus in San Francisco is a free community festival by UltraSignup featuring a social 3.2 mi or 4.5 mi group run, an expo with brand vendors, food, and a raffle, plus local partners and limited on-site parking.

A trail event at Almaden-Quicksilver County Park on June 7, 2025 offering distances from 5K to 50K, steep climbs, marked courses, aid stations, and toilet facilities. The 52 mile race is not held in 2025 and is planned to return in 2026.

Experience the 42nd annual Lake Chabot Trail Challenge featuring a scenic half marathon loop and a paved 5K run. Enjoy views of the San Francisco Bay and Mt Diablo while competing for medals on chip timed courses.

A point-to-point 100-mile ultramarathon from UC Berkeley to Skyline High School in Oakland, featuring about 18,000 ft of elevation across ridgelines, redwood forest and lake trails; the 2026 race is sold out with a waitlist.

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