Calero Hills Trail Fest

San Jose, United States • 26 Jul 2025

The Calero Hills Trail Fest is a trail running event held at Calero County Park in San Jose, California. It offers a variety of race distances including a marathon, 30K, half marathon, 10-mile, 10K, and 5K. The courses feature challenging ascents and descents through scenic old oak groves, single track trails, and dirt paths, providing runners with heat training and panoramic views.

The trails are well-marked with ribbons and signs, and aid stations are available. All finishers receive a commemorative medal. The event emphasizes a rugged, natural trail running experience with diverse terrain and beautiful vistas. Visit the organization's website for the most recent information.

Race information

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.
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