Trail Running calendar near El Sobrante 2026-2027

Experience the beauty of Oakland's Redwood Regional Park through a variety of trail distances from 5 miles to 50K. Run among tall redwoods on a well marked course with spectacular ridge views and fully stocked aid stations.

Experience a trail run through giant redwoods and coastal ridges at Henry Cowell Redwoods State Park. Choose between 30k, Half Marathon, or 10k distances featuring river crossings and professional chip timing.

Navigate through historic San Francisco neighborhoods and parks in this unique 5K or 10K challenge. Use a custom map to find checkpoints and solve riddles individually or in teams of up to five people.

Tackle the legendary Double Dipsea, a 13.7-mile out-and-back on the historic Dipsea Trail from Stinson Beach. This unique race features a handicapped start, putting all runners on a single-track course of constant passing. Experience the hi..

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.

Location and Course The event takes place at Huddart Park in Woodside, California. The trails pass through Huddart Park, King's Mountain, and Bear Gulch, featuring redwoods and ferns. Distances are measured with a surveyor's measuring wheel..

Explore the gentle trails of Pinto Lake County Park at the Apple City 5k. This inaugural event celebrates the agricultural roots of Watsonville's Pajaro Valley. The race supports local students, with half of its proceeds going to the Pajaro..

Diablo Trail Run on September 6, 2026 in Clayton CA offers distances from a 4 mile Mitchell Canyon course to a 50K, plus a free kids 50 yard dash for age six and younger. Courses use dirt roads and single track with aid stations every 3 to..

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..

The Rocky Ridge 2026 offers a challenging half marathon trail run in the Las Trampas Wilderness, plus 10K and 5K options. It's the finale for the Ultra Half Marathon Series and supports the East Bay Regional Parks Campership Program. Partic..

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..

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.

Run by the Sea returns for its tenth year at Wilder Ranch State Park. This coastal run on flat dirt trails offers a half marathon, a 12K, and a 4K run/walk. The event supports local youth and trail stewardship programs.

Run the 39th Ruth Anderson Memorial Endurance Run on October 10, 2026 in San Francisco. Choose 100 km, 50 miles, or 50 km on a scenic paved loop around Lake Merced with chip timing and certified 50K and 50 mile courses.

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.

Event Overview The Diablo Summit Stomp is a trail race held on October 17, 2026, in Walnut Creek. The event offers several distances run on dirt trails. Distances and Courses Participants can choose from one of four courses: 30K Half Marat..

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.

A Halloween-themed running event at Hellyer County Park offering distances from a kid's 50 yd dash to a certified marathon, with costume prizes, aid stations every 2-4 miles, and cupless hydration policy.

A trail fundraiser in Joaquin Miller Park offering a 5 km trail race and a 1 mile fun run/walk to support Oakland Tech PTSA and the school cross country program; donations are tax-deductible.