Logo

Trailquake

Saratoga, United States • 10 May 2026

Trailquake in Saratoga, California (May 10, 2026)

Trailquake offers trail races through the redwoods and pines of Sanborn Regional Park in Saratoga, California. The event includes a half marathon, a 10K and a 5K on forest trails. Participants may run, hike or walk; hikers and walkers are welcome.

The half marathon is part of the Brazen Ultra Half Series. The series features half marathon courses that can be longer than 13.1 miles and that include significant ascents and descents and varied trail terrain.

All finishers receive custom finisher medals and event shirts. Half marathon finishers receive a technical fabric shirt unless they request cotton. 10K and 5K finishers receive a cotton shirt with an option to upgrade to a technical shirt for a fee. Shirts are gender-specific and available in sizes from youth small to men's 4XL. Volunteer photographers provide free race photos. The event listing also notes remote runner options and published registration fee tiers for each distance.

Distances Visit the organization's website for the most recent information.

  • Half marathon
  • 10K
  • 5K
United States California Saratoga

Race information

Website Registration
Half Marathon
Half Marathon
10 km
10k
5 km
Visit the organization's website for the most recent information.
Trail runs nearby

Coyote Hills Run

Fremont

Runs at Coyote Hills Regional Park in Fremont, California on January 31, 2026. Courses include a half marathon, 10K and 5K over dirt, pavement and marsh boardwalks with bay views.

Mt. Umunhum Trail Conquest - Winter

San Jose

...

Test your legs on scenic Sierra Azul trails at Mt Umunhum Trail Conquest Winter, with distances from a kids run to 50K and routes that summit Mt Umunhum and Bald Mountain. Finishers earn commemorative medals and aid stations keep you fueled..

JW House Hope Run

Los Gatos

Join the JW House Hope Run in Los Gatos for scenic 5K and 10K routes around Vasona Lake, perfect for runners, walkers and strollers. Proceeds support JW House to help keep families together during medical emergencies.

Redtail Ridge

Castro Valley

...

Trail races at Lake Chabot on February 21, 2026, from 5K to 50K across dirt trails, fire roads and some pavement, timed with disposable chips. Aid stations are stocked and the event is cupless so runners carry their own bottles or cups.