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Trailquake

Updated

Sunday, May 9, 2027, first start 7:30 AM, in Saratoga (16055 Sanborn Rd). Distances: 5K, 6.7 miles, Half marathon. Entry from $45 to $90; the Half marathon goes from $90 to $95 after March 8.

Date
Sunday, May 9, 2027
Start time
7:30 AM (earliest wave)
Location
16055 Sanborn Rd, Saratoga, CA 95070
Area
South Bay & San Jose, SF Bay Area
Distances
5K6.7 milesHalf marathon
Course
Trail (dirt or single-track on at least part of the course)
Price
$45 to $90 plus the platform's processing fee
Next price increase
Monday, March 8, 2027: Half marathon $90 → $95
Registration
Open. Opened June 25, online signup closes Monday, May 10, 2027

How to register

Registration is on RunSignup. Pick your distance, add any extras, and you'll get a confirmation email with your bib details. Sign up by March 8 to pay $90 instead of $95.

Register on RunSignup →

Course and race notes

Calling all tough mothers for a 5K, 10K, or half-marathon in Saratoga on Mother's Day! The redwoods, the pines, and lots more await on these lush trails. Run, hike, or walk and enjoy the beauty of the forest in spring! Hikers/walkers are welcome.

From the race's own listing. Check the race website for the course map and parking.

Source: RunSignup public race API, refreshed 2026-10-17. Details can change; the registration page is the final word.

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