Trail Running calendar near Clarksburg 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.

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..

This trail running event in Auburn, California, offers half marathon and 10K distances. The courses traverse the steep and scenic trails of the Mammoth Bar OHV area, known for its rugged climbs and canyon views.

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.

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.

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..

Experience a scenic trail run through the Endurance Capital of the World in Auburn, California. Choose between several distances including a half marathon that features the historic Western States Trail and No Hands Bridge.

Experience the Signal Peak Trail Runs in Emigrant Gap California featuring 50K and 24 mile distances. Navigate through scenic terrain with 3300 feet of gain and enjoy a well stocked cupless course with a finish line meal.

Run into the sunset on the trails of Auburn's American River Canyon. Choose from 50K, half marathon, or 5-mile distances, all finishing with a celebration at Ponderosa Cider Company. Participants receive a commemorative glass and a chance t..

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.

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.

Explore Nevada City's trails at the Champion Mine Trail Race. Choose between a scenic half marathon crossing a historic swinging bridge or a 5K run/walk. The event features aid stations, varied terrain, and finishes at the historic Miners F..

A trail event in Cool, California on October 17, 2026 offering 5k, 10k and a trail half marathon. Proceeds support Black Oak Mines Unified School District youth and a Camp Taylor scholarship, and the event includes family options.

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.

Trail races from a kids run to a half marathon take place inside Marshall Gold Discovery State Historic Park in Coloma, CA. Courses mix singletrack and paved trails with technical climbs, scenic views, aid stations, and finishers' medals.

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.

The Rubicon is a remote Sierra Nevada foot race with no official support. Routes range from 15 to 43 miles with high elevation gain. Qualifying via shorter routes is required for longer attempts.