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Trailquake

Name: Trailquake
Start: 2026-05-10
End: 2026-05-10
Location: Saratoga

Saratoga, United States • 10 May 2026

Event

Trailquake 2026 is a trail running event held on May 10, 2026, at Sanborn Park, 16055 Sanborn Rd, Saratoga, CA, United States. The event is produced by Brazen Racing and takes place on the San Andreas Trail within redwood and pine forest. Walkers and hikers are permitted to participate alongside runners.

Distances

Half marathon
10K
5K

Course and race information

All distances include single-track trail sections and have uphill sections that ascend to peaks with scenic views. The course description notes that walking the hills is normal and may be used to conserve energy for flatter and downhill portions. Half marathon and 10K routes include ascents to vantage points.

Shirts and awards: half marathon finishers receive a technical fabric t-shirt unless they request cotton. 10K and 5K finishers receive a cotton shirt with an option to upgrade to a technical shirt for $7. Shirts are gender-specific and are available in sizes from youth small to men's 4XL.

Registration fees vary by date. Current starting prices listed are: 5K from $69.50, 10K from $79.11, half marathon from $98.33. Remote runner and international remote runner categories are offered with starting prices of $50.29 and $82.31 respectively. Visit the organization's website for the most recent information.

United States California Saratoga

Race information

Website Registration

Half Marathon

10 km

10k

5 km

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

Trail runs nearby

Saturday Dec 13

Summit Rock Half Marathon

Run through towering redwoods at Sanborn Regional Park with half marathon, 10K and 5K options plus a remote runner choice. Expect scenic climbs, narrow single track trails, professional chip timing and custom finisher medals.

Saturday Dec 20

Woodside Ramble

Experience scenic single track trails under redwood canopy and along ridgelines at the Woodside Ramble. Distances from 10K to 50K offer a challenging, festive trail day; the event is sold out.

Saturday Dec 27

Brazen New Year's Eve

Ring out the year with Almost New Year's Eve at scenic Lake Chabot in Castro Valley on 12/27/25. Trail routes for runners, walkers and hikers include 5K, 10K and half marathon distances with free post race photos.

Thursday Jan 1

Brazen New Year's Day

Celebrate New Year’s Day with scenic loop races at Lake Chabot, from half marathon to 10K, 5K and remote options on rolling trail terrain. Enjoy free race photos and earn a New Year Mega Medal if you also ran Brazen New Year’s Eve.