Trail Running calendar near Lucas Valley-Marinwood 2026-2027

Experience a scenic trail run around Angel Island State Park with views of the San Francisco skyline and Golden Gate Bridge. Choose between 10K and half marathon distances on this hilly island loop trail.

Explore the scenic trails of Huddart Park and Bear Gulch at this multi distance trail event. Runners can choose from distances ranging from 8K to 50K through redwood forests and lush ferns.

Experience the natural scenery of Mount Diablo State Park through a variety of trail races. Runners can select distances ranging from 4 miles to a 50K with spectacular views of the San Francisco Bay Area.

Experience the trails of China Camp State Park with a selection of distances including a 5K 10K and Half Marathon. Participants enjoy a post race festival with beer steins custom medals and local snacks.

The Berkeley Trail Adventure offers four distances on the scenic trails of Tilden Regional Park. Runners can expect shaded paths, open views, and fully stocked aid stations. It's a cupless event where all finishers receive a medal.

The Stevens Creek Striders Reservoir Run offers a Half Marathon, 11K, and a family-friendly Lollipop Loop on scenic trails. It's a USATF-sanctioned event with capped participation and post-race BBQ. The run supports local trails and include..

Experience the rugged beauty of Las Trampas Wilderness at Rocky Ridge 2026. Choose from 5K, 10K, or Half Marathon distances featuring significant hills and expansive vistas in San Ramon.

The Dick Collins Firetrails carries on a historic ultrarunning tradition at Lake Chabot. Runners can choose from three classic distances: a 100k, a 50 miler, and a marathon. It's a UTMB Index event with firm time limits due to park regulati..

JP's Backyard Ultra/Hike is a final edition event in Napa's Skyline Wilderness Park. Participants run or hike a 3.3-mile loop, choosing their own distance up to 33 miles. This free event is a fundraiser, with a suggested donation supporting..

Explore the shaded redwood groves and challenging, flowy singletrack of Sanborn County Park. This trail event on September 27, 2026, offers 10k, half marathon, and 50k distances through the Santa Cruz Mountains.

Experience the coastal bluffs of Santa Cruz at Wilder Ranch State Park. This event offers trail races on flat packed dirt with scenic views of Monterey Bay to support local youth and trail programs.

Test your endurance at Lake Merced in San Francisco with a scenic 4.5 mile loop course. Choose between a standard run or tackle ultra marathon distances including the 50K and 50 mile events.

Experience the beauty of California wine country at the Sonoma Fall Classic. This event offers challenging singletrack trails and majestic lake views across distances ranging from a marathon to a 100 mile ultramarathon.

Experience the trails of Walnut Creek at the Diablo Summit Stomp 2026 featuring 30K, Half Marathon, 10K, and 5K courses. Walkers and hikers are welcome to join this trail event at Castle Rock Road.

Celebrate Halloween with a trail race through San Jose Hellyer County Park. Choose from distances including 5K 10K Half Marathon and Marathon with costume prizes and certified courses.

Support student programs and the Oakland Tech Cross Country team at Joaquin Miller Park. Choose between a five kilometer trail race or a one mile fun run through the redwood trees.

Mermaid Trail Run at Huddart Park in Woodside on November 7, 2026 features multiple trail distances, a timed 6 Hour challenge and a youth dash. The course is hilly, parking has a cash fee and a pancake breakfast follows the race.

Experience a scenic trail run around the Lake Chabot reservoir and hills. With distances from a 50 yard kids dash to a 50K ultramarathon there is an option for everyone at this Castro Valley event.

This November trail run takes on the iconic slopes of Mt. Tamalpais, starting at Stinson Beach. Runners can choose from four distances, from a 10K to a 50K ultramarathon, all featuring significant climbs and views. The event includes chip t..

Experience a flat and fast trail race through the scenic Quarry Lakes Regional Recreation Area in Fremont. Choose from a USATF certified half marathon, 10K, or 5K while enjoying views along the Alameda Creek Trail.