South Hills Single Track Trail Run - Summer

South Hills Single Track Trail Run takes place at Calero County Park in San Jose, California. The event offers a full slate of distances: 1 mile kids run, 5K, 10K, 9 mile, half marathon, 16 mile, trail marathon, and 50K. The course blends single-track trails and dirt roads, showcasing oak trees, hills, and panoramic views; the 50K is pitched as a tough Western States–training option with exposure and heat training.

Ribbons, signs, and gypsum mark the routes, with aid stations along the course. Drop bags are available, and finishers receive a commemorative medal. Time limit is 9.5 hours. Visit the organization's website for the most recent information.