Trail Running calendar near Santa Monica Mountains 2026-2027

Orange Curtain Run in Orange County, California offers a range of distance and timed events from 10K to 100K on mixed pavement and bike path surfaces. The event is scheduled for June 19 and 20, 2026 and includes a certified marathon.

Tough Topanga is a SoCalTrail trail race at Topanga State Park offering 15k, 10k, a non-timed Hiker's Delight and a kids 1k, with marked singletrack and fire-road routes, aid stations, prize purses and festival amenities.

Nixon 5K for Title IX on June 20, 2026 in Yorba Linda features a 5K and a 1K kids run along El Cajon Trail. The family-friendly event includes commemorative medals, race bibs, a 5K race shirt, and a Nixon Library admission.

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.

A weekend camping and trail event in Pearblossom, CA that raises funds for Chingonas on the Run. Participants attempt a six hour loop challenge on singletrack around Mount Hillyer with aid at a central basecamp.

A free, social, non-competitive trail run in Newport Coast on June 27, 2026, featuring an approximately 5.7 mile hilly route with rocky sections and about 760 feet of gain. Participants should have prior trail running experience.

A community July 4 event in Newhall Park featuring a flat, paved 5K along the parade route, a Kid K, and a Masters Mile Walk, with shirts, medals, an expo, and awards benefiting local high school cross-country programs.

Two trail races at Elings Park in Santa Barbara on July 4, 2026 featuring a 5K and a 2K kids run that adults may enter; registration fees are $40 and $20 respectively.

A 5k uphill race on the slopes of Mt. Baldy Resort that climbs about 1,500 feet to the Top of the Notch, with a finish area featuring a BBQ, bar, and live music and lift access back down for bib holders.

Valley Crest Trails returns July 12, 2026 in Tarzana, Los Angeles, with a half marathon, a new two-person half marathon relay, 10K and 5K on the exposed Dirt Mulholland fire road featuring rolling climbs and a fast downhill finish.

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.

A trail race in Cleveland National Forest offering 50K, 30K and 15K on the Harding Truck Trail with substantial elevation gain, staffed aid stations, shuttle-only access at Tucker Wildlife Sanctuary, and hot July conditions.

A fully supported trail running event at La Jolla Canyon in Point Mugu State Park offering 25k and 10k courses with marked routes, aid stations, chip timing, finisher medals, festival amenities and a $2,000 podium prize purse.

Multi-distance trail race in Griffith Park with 5k, 10k, 15k and half marathon options on a marked, hard-packed dirt course; includes medals, free photos, aid station and free parking.

A multi-distance event at Whittier Narrows on July 19, 2026 offering 5k, 10k, 15k and a half marathon on marked out and back loops, with an aid station, medals, free photos and posted results.

Aztlan XC Classic is a 5K event in Elysian Park, Los Angeles on July 25, 2026, with youth and adult race categories and differing registration options. Proceeds support the Aztlan Athletics Foundation's camps and scholarships.

An evening trail event in Pasadena's Lower Arroyo Park offering 6K and 12K routes with chip timing and aid stations. The finish includes tacos and drinks and runners receive a commemorative shirt and wooden medal.

A trail running event at Malibu Creek State Park offering a 50k (about 29.4 miles) and a 25k (about 14.8 miles). Fully stocked aid stations, a $3,500 50k prize purse, finishers medals, post race food and a beer garden.

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.

Dirt Circus Los Angeles is a one day community run and festival on August 29, 2026 at A Snail's Pace Running Shop in Chino Hills. The event features a social group run on nearby trails, an expo with brand booths, and a raffle.