Western Pacific

The California Fall Classic at Lake Sonoma features two challenging ultra distances: a 100K and a 55K, set against the stunning backdrop of wine country during the harvest season. This event is known for its beautiful single-track trails and is a qualifier for the prestigious Western States 100 Mile..

The Diablo Summit Stomp is a trail running event scheduled for October 19, 2024, in Walnut Creek, California. Participants can choose from four distances: 30K, Half Marathon, 10K, and 5K, all set on scenic dirt trails that lead into Mount Diablo State Park. The event is designed to accommodate both ..

The Oakland Hills Trail Run, scheduled for October 26, 2024, takes place in the scenic Redwood Regional Park in Oakland, California. This event features three race distances: a 35K, a half marathon, and a 10K, all set against the backdrop of towering coast redwoods and diverse wildlife. The course c..

The Haunted Shores 5K & 10K in Redwood Shores is a unique running event designed for adults and families, encouraging participants to form teams of 1 to 5. Runners will navigate through beautifully decorated neighborhoods, using headlamps or flashlights to explore and answer fun multiple-choice ques..

The Quicksilver Trail Challenge, organized by the Quicksilver Running Club in San Jose, features a half marathon, a 10K race, and a free kids' 1-mile fun run. Set in the scenic Almaden Quicksilver County Park, participants traverse historic trails with views of Mt. Umunhum and the Santa Cruz Mountai..

The ZombieRunner Halloween event, taking place on November 2, 2024, in San Jose, CA, offers a variety of running options including a 5K, 10K, Half Marathon, and Marathon, along with youth categories and a free Kid's Run. Participants are encouraged to dress in Halloween costumes for a chance to win ..