Trail Running calendar near Tracy 2026-2027

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..

A trail running event at Calero County Park offering distances from a kids run to a 50K across single-track and dirt roads, with named aid stations, drop bag support, bib color assignments, and time limits for longer races.

Explore scenic trails along Folsom Lake at the Gold Rush Growler Trail Runs. Choose between a 10-mile or 5K course starting at Granite Beach. Finish with a custom beer glass, a local IPA, and a hearty post-race meal.

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 a trail half marathon on San Bruno Mountain featuring 2,400 feet of elevation gain and stunning views. Enjoy a scenic route with 93 percent trail coverage followed by a post race meal and finishers medal.

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.

Granite Head Trails & Ales Trail Races feature 6.6-mile and 11.2-mile courses. Runners get a tech T-shirt and can enjoy post-race fajitas and a beer. The event is the final race in a local trail running series.

A trail race at Almaden Quicksilver County Park with distances from 5K to 50K. Courses are out-and-back, marked with colored ribbons, include aid stations and toilets, and the longer races reach Bald Mountain and Mt. Umunhum.

Run through the historic site of the 1848 gold discovery in California. This event features multiple trail distances from a 5K to a Half Marathon on scenic singletrack paths along the American River.

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.

Join the Vampire Run in Roseville for a timed 5K or a 1 mile walk to support the bleeding disorders community. Enjoy a festive atmosphere with costumes, carnival games, and medals for all runners.

The NorCal Backyard Ultra is a unique last-person-standing trail race at Folsom Lake. Runners face a 4.2-mile loop each hour, with the main event having no set finish and a "Mini" version capped at 12 hours. Every participant receives custo..

The NorCal Backyard Ultra presents two endurance challenges at Folsom Lake. Runners tackle a 4.16-mile loop every hour, with a main Last Person Standing event and a 12-hour Mini version. All participants receive custom awards, and the event..

Experience the scenic single track trails of Salmon Falls Ranch in this local fundraiser. Run through the Gold Country foothills and enjoy Folsom Lake views during a 10K or Half Marathon adventure.

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.