Trail Running calendar near Rialto 2026-2027

A free community festival by UltraSignup in Los Angeles featuring a group trail run with 5K and 10K options, an expo with vendors, food, and a raffle. The event is held at A Snail's Pace Running Shop in Chino Hills.

This premier trail race ascends 7+ miles from 6,000 feet to the 10,064-foot summit of Mt. Baldy on Labor Day. It includes a shirt, a finisher medal, and four aid stations, with a required 3.5-mile hike back after the finish.

Run into the sunset at Griffith Park. Choose from a 10-mile team relay, a scenic 5K solo race, or a kids' run. The event promises marked trails, panoramic city views, and a lively finish line atmosphere.

A trail event in Topanga on September 19, 2026 offering a 10k race and a non timed 4.5 mile Hiker's Delight through Red Rock Canyon with steep climbs, singletrack, aid stations, shuttled parking, and post race amenities.

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.

Take on the rugged 25K or 50K trail ultra at Mount Disappointment in the Angeles National Forest. The course starts at Mt. Wilson and features technical single track with significant elevation gain. Enjoy panoramic views on a fully marked r..

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.

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.

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..

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 on the Cahuilla Indian Reservation in Anza, California, in support of tribal youth programs. Choose from ultra distances on a 2-mile loop or a half marathon tour of reservation roads. The event offers camping, real food aid, and a focus..

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.

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..