Calero Hills Trail Fest

The South Hills Single Track Trail Run - Spring is an exciting trail running event taking place at Calero County Park in San Jose, CA. Participants can choose from various distances, including a 50K, Trail Marathon, Half Marathon, and shorter options down to a Kids Run. The course features scenic si..

The Horseshoe Lake Half Marathon is a scenic 13-mile race set in La Honda, California, featuring a mix of single-track and fireroad trails with stunning views of the Pacific Ocean and San Francisco Bay. The course includes gentle rolling hills, making it accessible for runners aiming for fast times...

The Terrible, Horrible, No Good, Very Bad Day 50K is a challenging ultrarunning event set for March 29, 2025, in Los Gatos, California. Participants can choose from three trail options: a 50K with a significant elevation gain of 10,900 feet, an 18-mile fun run, or a 10-mile puppy run. This non-suppo..

The Western Pacific 2025 is a running event featuring a Half Marathon, 10K, and 5K, taking place at the Quarry Lakes Regional Recreation Area in Fremont, California. This scenic course, historically used for transporting gravel in the 1800s, offers a mostly flat terrain ideal for runners of all leve..

The Santa Teresa King Richard Annual Trail Run is a cherished event held at Santa Teresa County Park in San Jose, CA, designed to honor the legacy of Richard Limb. Participants can choose from various distances, including a Half Marathon, 10 Mile, 10K, and 5K, all set against the park's stunning nat..

The SPASM Lake Chabot Trail Run is a diverse running event taking place at Lake Chabot Regional Park in Castro Valley, California. Scheduled for April 12, 2025, it features multiple race distances including an 8K, Half Marathon, 30K, Marathon, and 50K, along with a free Kid's Run for children aged 6..