Trail Running calendar near Rancho Santa Margarita 2026-2027

A multi-distance ultrarunning event on a flat one mile loop at a private ranch in Riverside, CA. Options range from 3 hour races to a 100 mile solo and a 24 hour relay, with camping and on site support.

The Mount Wilson Trail Race returns May 23, 2026 with an 8.6 mile out and back from Kersting Court to Orchard Camp, plus a children's Fun Run; the event supports volunteer trail repair through the Fletcher Trail Maintenance Fund.

Return to Hahamongna Watershed Park on May 24, 2026 for a day of team relays and solo challenges. Choose a 50 km relay with teams of up to five, a solo 50 km ultra, or a 10 km fun run amid scenic Pasadena trails.

A 5k trail run at Black Star Canyon in Silverado, California, with mixed fire road and single track, 390 ft elevation gain, one aid station, a cupless policy, and pre-run access restricted to authorized days.

A trail race in the Angeles National Forest offering a 50k, half marathon and 21k route across technical singletrack and ridgelines, with aid stations, finish-line food and massage, awards, and shuttle-served parking.

The Hills Are Alive 10K Run takes place on scenic bridle trails in Rolling Hills Estates. All participants get a t-shirt and medal, with trophies for the first-place winners. Registration opens in February 2026.

Trail races near Malibu, CA on June 6, 2026, offering distances from a half marathon to 100k over single track and fire road in the Santa Monica Mountains. Registration is open through June 1, 2026.

The inaugural Fullerton Fit 5K Trail Run offers a scenic dirt trail course through the Brea Dam area. The event also includes a Health & Wellness Fair with local vendors and food trucks. Registration includes a shirt, medal, and other race..

A trail relay and 8K at the Lower Old Zoo in Griffith Park on June 7, 2026, offering chip timing, finisher medals, three aid stations, DJs and food trucks.

Holcomb Valley Trail Run returns to Big Bear Lake in June 2026 with new South Shore courses, multiple single day distances, and a TransRockies three day staged race during the Big Bear Peaks and Pines weekend.

Run through scenic trails at the Old Zoo Half Marathon. Choose from a relatively flat half marathon or 12K course, starting and finishing at the historic Old Los Angeles Zoo. All finishers receive a custom elephant-themed medal.

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.

Trail races at Black Mountain in San Diego on June 20, 2026 offer 50K, 25K and a half marathon across volcanic terrain and manzanita-lined single-track with substantial elevation gain and technical sections.

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..

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.