Trail Running calendar near Tarzana 2026-2027

We have found 87 Trailruns within 80 miles of Tarzana. See below where and when you can find the races.

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.

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.

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..

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.

October 2026

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..

UTMB Index

Experience a 9.1 mile mountain race at Mt Baldy featuring nearly 4000 feet of vertical gain. High altitude trails lead participants to the 10064 foot summit for a true alpine test in the Angeles National Forest.

Run a scenic 5K on the shaded, groomed horse trails of Palos Verdes Peninsula. The event supports Strides in Recovery, a nonprofit helping people in addiction treatment through running. Participants receive a medal, t-shirt, and can enjoy a..

That's No Moon Trail Races offer a rugged adventure on remote, challenging terrain in California's Santa Ana Mountains. Runners can choose from 50-mile, 50K, or 30K courses through the Cleveland National Forest. The event includes well-supp..

Run among the iconic rock formations at Vasquez Rocks Natural Park in Aqua Dulce on October 17, 2026. SPACEROCK Trail Race features 5K, 10K, 15K and half marathon routes on scenic trails for runners of all abilities.

Experience scenic singletrack and natural terrain at Hahamongna Watershed Park in Pasadena with options for a trail half marathon, 10K, or 5K on Sunday, October 18, 2026. Perfect for trail runners seeking a challenging yet runnable course.

A trail running event at Caspers Wilderness Park on October 24, 2026, offering 10k, half marathon, 35k, marathon and 50k courses. Courses are described as marked and supported, with an athlete guide and past results available.

The No Name Trail Races offer a 50K, half marathon, and 5K on scenic trails in Cheeseboro National Park. Participants receive finisher medals and can enjoy post-race tacos and a beer garden. The event is part of a larger trail series with a..

November 2026

The Saddleback Marathon is a trail running event taking place on November 7, 2026, in Silverado, California. It is held in the Trabuco District, with the race being rerouted to start from Black Star Canyon Road. The event offers four race d..

Run a trail half-marathon or 10K on scenic Catalina Island, starting in Avalon. The courses feature climbs, ocean views, and pass historic landmarks. A shorter kids run is also available.

A Thanksgiving tradition in Santa Clarita Central Park. Choose between a hilly 5K cross country course or a 1K event for younger participants. Proceeds benefit local youth track and field programs.

Experience a Thanksgiving tradition in the Santa Monica Mountains with trail races featuring coastal views. Enjoy a festive atmosphere with a taco breakfast, beer garden, and distances ranging from a 5k hike to a competitive half marathon.

Celebrate Thanksgiving morning with a scenic 5K or 10K run along Huntington Beach to fund clean water projects for communities in need around the world.

December 2026

The Island View Endurance Run returns to Goleta, California in December 2026. Runners can choose from five distances, from a 12K to a 100-mile ultramarathon. Registration opens in April.

A 28k trail run in Fremont Canyon at Irvine Regional Park featuring about 3800 feet of elevation change and four aid stations. The course runs on fire roads, is cupless, and participants are asked to carry personal hydration.

Experience the coastal beauty of Point Mugu State Park in Malibu. Choose between 50 mile, 50K, and 30K trail distances at this popular California endurance event.