Trailquake

MAY

10

2026

Trailquake stages a half marathon, 10K and 5K on the redwood and pine trails of Sanborn Regional Park in Saratoga, California. Finishers receive custom medals and shirts and volunteer photographers provide free race photos.

Sun 10 May 2026

Saratoga, California

Website Registration

Half Marathon 10 kilometers 5 kilometers

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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.