Calero Hills Trail Fest

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.