Trail Running calendar near San Gabriel Mountains 2026-2027

Los Mugrosos 5K - La Vida Sucia Run in South El Monte, CA on June 14, 2026 features a scenic single-loop 3.1 mile trail and a 0.3 mile kids dash, with shirts and finisher medals included and a 90-runner limit for the 5K.

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.

A supported trail event at Topanga State Park offering 10k and 15k races, a non-timed Hiker’s Delight, and a kids 1k, with marked singletrack and fire road routes, aid stations, chip timing, and a timed Downhill Mile cash bonus.

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 fundraiser in Pearblossom that pairs camping with a six hour looped trail challenge summiting Mount Hillyer, offering aid stations, meals, free photos and a finisher's medal in an inclusive women focused space.

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.

A mountain 5k up Mt Baldy Resort with about 1,500 feet of ascent to the Notch, followed by a BBQ, bar and live music at the finish. Runners can return by lift and dogs are not allowed on the lifts.

A mid July trail event on Mulholland ridgeline near Tarzana offering Half Marathon, relay, 10K, and 5K. Expect full sun, rolling climbs, scenic valley and ocean views, and an official shirt and finisher medal.

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.

Harding Hustle on July 18, 2026 in Silverado CA offers 50K, 30K and 15K trail races on the Harding Truck Trail through the Santa Ana Mountains, with substantial climbing, stocked aid stations and shuttle access for participants.

Tough Mugu is a Malibu trail running event at Point Mugu State Park offering 25k and 10k courses on the Ray Miller Trail, with marked routes, aid stations, chip timing, finisher medals, race shirts and a post race festival.

Hot to Trot at Griffith Park on July 18, 2026 features 5k, 10k, 15k and half marathon options on a marked horse trail, with aid station support, finisher medals, free photos and results posted after the event.

Rockin' Summer at Whittier Narrows on July 19, 2026 features 5k, 10k, 15k and a half marathon on marked out-and-back loops, with an aid station, finisher medals, free photos, and posted results.

Experience a unique desert night run under the Full Buck Moon on a scenic looped course. Choose between distances ranging from 9 miles to a 50k ultramarathon through manzanita groves and single track trails.

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 road race at Lower Arroyo Park in Pasadena on Friday, July 31, 2026 offering 6k and 12K distances with post-run tacos and drinks for local SoCal runners and friends.

Experience a scenic mountain race through the pine forests of the San Bernardino National Forest. Run alongside the lake and onto forest trails with distances including a 5k, 10k, and Half Marathon.

Experience trail running in Orange County with several race distances ranging from a 5k to a 6 hour timed challenge. Navigate a scenic 3.3 mile looped course with multiple early bib pickup options available.

A rugged trail event at Malibu Creek State Park offering a 50k (29.4 miles, 5,784 ft) and a 25k (14.87 miles, 2,947 ft), stocked aid stations, enforced cut-offs, and prize money including a $3,500 50k purse.