Logo

Calero Hills Trail Fest

San Jose, United States • 26 Jul 2025

The Calero Hills Trail Fest, held at Calero County Park in San Jose, CA, offers a variety of trail running distances including a marathon, 30K, half marathon, 10 miler, 10K, and 5K. The courses feature challenging ascents and descents through scenic old oak groves, single track trails, and dirt paths, providing excellent heat training and panoramic views. The event emphasizes a rugged trail experience with well-marked routes, aid stations, and commemorative medals for finishers. Registration and bib pick-up occur on race day, and detailed course maps are available online. This festival is ideal for trail runners seeking diverse distances and a challenging, picturesque course. Visit the organization's website for the most recent information.

United States California San Jose

Race information

Website Registration
26 mi
Marathon
30 km
30k
13 mi
Half Marathon
10 mi
10 Mile
10 km
10k
5 km
Visit the organization's website for the most recent information.
Trail runs nearby

Zombierunner Quarry Lakes

Fremont

...

Run ZombieRunner Quarry Lakes in Fremont on December 6 for scenic, mostly flat courses along Alameda Creek with distances from 5K to marathon. Stocked aid stations, custom finisher medals, and timed results make it a fun day for all.

Calero Trail Run - Winter

San Jose

...

Run scenic oak lined single track at Calero County Park with distances from a kids mile to 50K and options including marathon and multi loop courses. Well marked courses, aid stations and finisher medals make for a memorable day.

Summit Rock Half Marathon

Saratoga

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.

Woodside Ramble

Redwood City

Run among redwoods at the Woodside Ramble in Huddart and Wunderlich parks. Multiple trail distances, small field atmosphere and cupless eco focus so bring your own bottle for a scenic, rugged trail day.