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Calero Hills Trail Fest

Name: Calero Hills Trail Fest
Start: 2025-07-26
End: 2025-07-26
Location: San Jose

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

Thursday Nov 27

Zoom Turkey Trot

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.

Saturday Nov 29

Quarry Turkey Half Marathon

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.

Saturday Dec 6

Zombierunner Quarry Lakes

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Choose distances from a kids 50 yard dash to a full marathon as you run scenic Quarry Lakes and the Alameda Creek Trail in Fremont. Enjoy stocked aid stations, finisher medals and pre registered shirts with park entry included.

Saturday Dec 6

Calero Trail Run - Winter

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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.