South Hills Single Track Trail Run - Summer

San Jose, United States • 13 Sep 2025

The South Hills Single Track Trail Run - Summer is an exciting trail running event taking place at Calero County Park in San Jose, CA. Participants can choose from various distances, including a challenging 50K, Trail Marathon, 16 Mile, Half Marathon, 9 Mile, 10K, 5K, and a Kids Run. The course features beautiful single track trails, hills, and dirt paths, providing a fantastic training opportunity for endurance runners. All finishers will receive a commemorative medal, and aid stations will be available throughout the course. Registration is open, and detailed course maps are provided on the event's website. Visit the organization's website for the most recent information.

Race information

50 km
50k
26 mi
Trail Marathon
16 mi
16 Mile
13 mi
Half Marathon
9 mi
9 Mile
10 km
10k
5 km
Mile
Kids Run
Visit the organization's website for the most recent information.
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