Trail Running calendar near Irvine 2026-2027

We have found 107 Trailruns within 80 miles of Irvine. See below where and when you can find the races.

The Lake Hodges Trail Festival will take place in Del Dios from Saturday 17 October 2026 to Sunday 18 October 2026. You can run between 5 and 50 kilometers.

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.

The San Diego 200 is a demanding 200-mile ultramarathon that loops around San Diego County, featuring diverse terrain from coast to desert. With an 82-hour cutoff, it requires a crew and is designed for seasoned ultrarunners. Profits from t..

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.

Run an 8-hour loop course on a scenic 3.7-mile trail in Wildwood Canyon State Park. The event features an aid station, vendors, and live music. An after-party follows at a local brewery.

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..

Machete Muertos 200 The Machete Muertos 200 is an ultramarathon event held at Lake Perris in Perris, California, from October 28 to November 1, 2026. It is associated with a Dia de Los Muertos (Day of the Dead) celebration. The event offers..

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..

Challenge yourself on a beautiful 5-mile loop around Lake Miramar in this 6-hour timed event. Run or walk as many laps as you like, with aid stations and a secure gear area provided. All finishers receive a medal, T-shirt, and a post-race l..

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

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.

A last person standing race in Yucaipa, CA, where runners complete 4.16-mile loops until only one remains. The event, scheduled for December 2026, features a Krampus-themed challenge of endurance.

The Crystal Cove Trail Run concludes the 2026 SoCalTrail season with 15K, 6K, and kids' races on the scenic trails of Orange County. Runners receive a shirt, medal, breakfast, and access to a beer garden. The event features significant awar..

Experience a festive trail event in San Diego featuring a variety of distances from a 10K to a marathon. Take on the six hour hill climb challenge or join the holiday fun by running in a costume.

January 2027

Experience the beauty of Escondido at this trail event featuring a 50 mile ultra and distances for all levels. Summit Raptor Ridge or enjoy flat valley views with custom medals for finishers.