Trail Running calendar near Santa Monica Mountains 2026-2027

We have found 76 Trailruns within 80 miles of Santa Monica Mountains. See below where and when you can find the races.

Multiple ultramarathon and shorter races on a largely flat bike path along the San Gabriel River. The looped course is USATF certified and features aid stations at both ends.

A multi-distance trail event at Topanga State Park on June 20, 2026, featuring 15k, 10k, a kids 1k and a non-timed Hiker’s Delight, marked courses, aid stations, prize payouts and a Downhill Mile cash bonus.

A family-friendly 5K and 1K kids run in Yorba Linda that commemorates Title IX, follows the El Cajon Trail, welcomes strollers and dogs, and includes a vendor fair and finisher medals.

A 5k trail run at Gypsum Canyon Wilderness on June 24, 2026 over fire roads and single track with about 350 ft of elevation gain. One aid station at mile 2.2 and a cupless race policy.

Event Overview The Chingona Fest Campout is a two-day community event combining camping and trail running as a fundraiser. It takes place at the Group Campground in Pearblossom, California, within the Angeles National Forest. Event Structur..

July 2026

A mountain 5K at Mt Baldy Resort with an almost entirely uphill course on fire roads, followed by a barbecue dinner, live music, and a chairlift ride from the Top of the Notch. This edition is sold out.

Into the Wild is a 5k trail run at Saddleback Wilderness on July 15, 2026, over fire roads and single track with 300 ft of elevation gain. Entry is limited to 150 runners and there is no race day registration.

Trail races of 50K, 30K and 15K on the Harding Truck Trail in the Cleveland National Forest, with aid stations, mandatory shuttle parking, no pacers, finish drop bags only, and a cupless policy in hot July conditions.

A supported trail race in Point Mugu State Park offering 25k and 10k routes with coastal mountain views, chip timing, locally made finisher medals, a post race festival with breakfast and a beer garden.

Hit Griffith Park for Hot to Trot on July 18, 2026, and choose a distance from 5k to half marathon on scenic dirt trails. Enjoy aid stations, a finisher medal, photos and postrace snacks as you tackle shared trails under the LA sun.

The ABWR Half Marathon - Whittier Narrows will take place in Whittier Narrows on Sunday 19 July 2026. You can run between 5 and 21 kilometers.

Join the SoCal Summer evening 6K or 12K at Lower Arroyo Park in Pasadena on July 31 2026 and celebrate after with tacos and drinks. Scenic park routes and friendly vibes make this a perfect summer night run.

August 2026

A multi-distance trail event at Malibu Creek State Park featuring 25k, 50k and a three-loop 75k, with fully stocked aid stations, chip timing, finisher medals and post-race food and beverage options.

A 5k trail run at Red Rock Wilderness near Silverado, CA featuring fire roads and single track, 300 feet of climbing, one aid station, a cupless policy, and no pets allowed.

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.

September 2026

A mountain trail race in the Angeles National Forest that climbs from about 6,000 feet to the 10,064 foot summit over roughly seven miles. The event includes aid stations, a race shirt, professional timing and awards.

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 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.

A mountain trail race near Mount Wilson in the Angeles National Forest on Sep 26, 2026. Options include a **25K** with about 3,800 ft climb and a **50K** with about 7,000 ft, on singletrack, fire roads and ridge trails.