Logo

Sierra Azul Trail Challenge

San Jose, United States • 19 Apr 2025

The Sierra Azul Trail Challenge is an exciting running event taking place in the scenic Sierra Azul Open Space Preserve, near San Jose, CA. Participants can choose from various distances, including a 50K, Trail Marathon, 20 Mile, Half Marathon, 7 Mile, and 5K. This challenging race offers a unique opportunity to explore beautiful trails and stunning landscapes, often not accessible to the public. Known for its tough terrain, the event promises an adventurous experience for runners of all levels. Registration is available through the event's website, where additional details about the courses and maps can be found. Visit the organization's website for the most recent information.

United States California San Jose

Race information

Website Registration
50 km
50k
26 mi
Trail Marathon
20 mi
20 Mile
13 mi
Half Marathon
7 mi
7 Mile
5 km
Visit the organization's website for the most recent information.
Trail runs nearby

Mermaid Trail Run - Woodside

Woodside - 21 mi from San Jose

...

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.

Lake Chabot Trail Run

Castro Valley - 26 mi from San Jose

...

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.

Rancho Hills Trail Run - Fall

Morgan Hill - 19 mi from San Jose

...

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..

Zoom Turkey Trot

San Jose

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.

Quarry Turkey Half Marathon

Fremont - 15 mi from San Jose

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.

Calero Trail Run - Winter

San Jose

...

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.