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. Participants can choose from various distances, including marathon, 30K, half marathon, 10-mile, 10K, and 5K courses. The race features challenging terrain with single track trails, hills, and dirt paths through scenic oak groves, offering excellent heat training and panoramic views. The event includes aid stations, marked courses, and a commemorative medal for finishers. Registration is available on race day, and the event emphasizes endurance and outdoor adventure in a beautiful natural setting. Visit the organization's website for the most recent information.