Almaden Hills Trail Run - Summer

San Jose, United States • 16 Aug 2025

Almaden Hills Trail Run, held in Almaden Quicksilver Park in San Jose, California, offers seven distances: 5K, 10K, 8 Mile, Half Marathon, 30K, Trail Marathon, and 50K. The course blends 60% dirt roads with 40% single-track and is notably hilly with scenic views. The event features two main aid stations at Mockingbird Parking Lot (start/finish) and Hacienda Parking Lot, with drop bags available for longer distances.

Courses are marked with color-coded ribbons and arrows. Runners can expect a challenging yet enjoyable trail experience in a friendly park setting. Registration and course information are available on the organizer's site. Visit the organization's website for the most recent information.

Race information

50 km
50k
42 km
Trail Marathon
30 km
30k
21 km
Half Marathon
8 mi
8 Mile
10 km
10k
5 km
Visit the organization's website for the most recent information.
Trail runs nearby

Enjoy scenic redwood trails at Huddart Park with distances from 3 Mile to Half Marathon, plus a family Mermaid Dash for kids. Try the festive 6 Hour Challenge to see how many 3 Mile loops you can cover, or join virtually.

Tackle scenic rolling trails around Lake Chabot with distances from 8K to 50K and a free kids dash. Well marked loops, stocked aid stations and a cupless policy make this a rewarding challenge for trail runners of all levels.

Take on the rolling, scenic trails of Rancho Cañada del Oro in Morgan Hill with distances from 5K to 50K. Expect challenging hills, mixed singletrack and fire road, creek crossings and big views framed by old oaks for a true trail running a..

Celebrate Thanksgiving at the Zoom Turkey Trot in San Jose at Hellyer Park with a USATF certified half, 10K, 5K and kids runs, plus t shirts and finisher medals. Flat, fast courses and stocked aid stations welcome all abilities.

Join the Quarry Turkey at Quarry Lakes on November 29 for a fast, mostly flat trail 5K, 10K or half marathon with a free kids sprint and family friendly Thanksgiving costumes encouraged. Proceeds benefit Alameda County Community Food Bank.

Tackle scenic singletrack and dirt at Calero County Park in the Calero Trail Run Winter, with distances from a kids mile to a 50K. Expect rolling hills, oak vistas, aid stations, a finishers medal and race day registration.