Go Wild Peninsula 4 Hr San Carlos

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 Terrible, Horrible, No Good, Very Bad Day 50K is a unique trail running event set for March 29, 2025, in Los Gatos, California. This non-supported, fatass run features challenging options, including a 50K with 10,900 feet of elevation gain, a 30K fun run, and a 10-mile Puppymeat run. Participant..

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 lan..

The Diablo Trails Challenge is an exciting running event taking place on Mount Diablo, featuring a variety of distances including a 50K, half marathon, 10K, and 5K. Scheduled for April 5, 2025, this challenge caters to runners of all experience levels, from beginners to seasoned ultra-runners. A por..

The 2025 Romancing the Island Half Marathon and 10K is set to take place at Angel Island State Park in Belvedere Tiburon, California. This annual event, now in its 34th year, features a scenic loop trail that offers stunning views of the Golden Gate Bridge, San Francisco, and surrounding areas. Part..

The SPASM Lake Chabot Trail Run is a multi-distance running event taking place at Lake Chabot Regional Park in Castro Valley, California. Scheduled for April 12, 2025, the event features various race options including an 8K, Half Marathon, 30K, Marathon, and 50K, along with a free Kid's Run for chil..