Trail Running Calendar California 2026-2027

Experience trail running and camping at Tierra Redonda Mountain in Bradley California. Choose from multiple distances including 10km and 20km routes or 24 and 48 hour timed challenges.

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 Kiwanis River Run offers scenic courses along the San Joaquin River with four distances for all ages. Participants receive a shirt, medal, and a free breakfast. The event supports a children's hospital injury prevention program.

Experience a sunset run through the red sandstone cliffs of Topanga California. Choose between a timed 10k trail race or a non-competitive 4.5 mile hike featuring a post race beer garden and vegan tacos.

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.

This 21 mile trail run near Yucaipa is postponed from September 2026. The challenging course features over 4,300 feet of climbing on Crafton Hills terrain, with aid station support.

This trail 5K takes place at Ascot Hills Park with views of the Hollywood Sign and Dodger Stadium. The chip-timed event benefits a local high school cadet program. A virtual race option is also available.

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..

Traverse technical single track through the Angeles National Forest on this historic mountain race. Choose between 25K and 50K distances starting from the iconic summit of Mount Wilson.

Participate in a fundraising 5k run at the scenic Lower Twin Lakes near Bridgeport California. This out and back course follows South Twin Road and includes a performance tee for all runners.

Bandit Ultra Trail offers three scenic distances through the mountains and canyons of Simi Valley, starting at the historic Corriganville Park. The 50K route features several aid stations with specific cut-off times. A portion of proceeds s..

Experience the 36th annual Big Sur Trail Marathon at Andrew Molera State Park. Run along the historic Old Coast Road with ocean views across marathon, half marathon, and five mile distances.

The 11th annual Double Peak Challenge features a 10K and 5K run from San Elijo Park up to the panoramic summit of Double Peak. A Kids Trail Trot offers a sprint for younger participants. All finishers receive a medal.

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.

A seaside themed run in Long Beach offering 5K, 10K, half marathon and family distances with chip timing, free race photos, finish line pizza and a costume contest.

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 an incredible footrace through the Eastern Sierra circumnavigating a prehistoric caldera. This high altitude journey features mountain summits, alpine lakes, and volcanic landscapes starting and finishing in Mammoth Lakes.

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.

This historic point-to-point 100-mile race traverses the San Gabriel Mountains from Wrightwood to Altadena. With steep climbs and rocky trails, it's a classic, challenging endurance run. Entry is by lottery, and finishers earn a unique plaq..

The Cuyamaca 100K traverses the scenic trails of Cuyamaca Rancho State Park east of San Diego. The three-loop course takes runners to Cuyamaca Peak and along the PCT. This event is a qualifier for the Western States 100.