Calero Hills Trail Fest

San Jose, United States • 26 Jul 2025

The Calero Hills Trail Fest is an exciting trail running event held at Calero County Park in San Jose, CA. Participants can choose from various distances, including a marathon, 30K, half marathon, 10 miler, 10K, and 5K. The course features challenging ascents and descents through scenic oak groves, providing a rewarding experience for runners of all levels.

Each course is well-marked, and aid stations will be available throughout the event. All finishers will receive a commemorative medal, making it a memorable occasion for all participants. Registration is available on race day, and detailed course maps can be found on the event's website. 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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