Trail Running Calendar California 2025-2026

Run 8 miles and climb 4,600 feet to the historic ghost town of Cerro Gordo in this no time limit mountain challenge. Finishers are greeted with a mountaintop barbecue, live music, a finisher's medal and shuttle return to Keeler.

Timed loop endurance run on a flat 1 mile course at a Riverside horse ranch over Memorial Day weekend. Choose solo or team formats from 3, 6, 12 or 24 hour events or go for the 100 mile challenge and rack up laps.

Tackle scenic single track through Joaquin Miller and Redwood parks with distances from 8K to 50K and a kid's dash. Marked routes, steep climbs and stocked aid stations every three to six miles make this a challenging and well supported tra..

Run high mountain trails around Pacifico Mountain in the scenic Angeles National Forest with options of a 50k ultra or 21k trail race. Enjoy alpine views, aid stations, finish line food and on course support for a true SoCal trail day.

Join Nitro Trail 2026 at Point Pinole Regional Shoreline on May 30, 2026 for scenic trail races including half marathon, 10K, 5K and a remote runner option. A separate hiker start in the half welcomes slower paces and a relaxed finish.

Explore rugged coastal trails and sweeping ridge views at Sonoma Coast Trail Runs near Duncans Mills, CA. Choose from half marathon to 50K for a challenging, scenic day on natural surface trails.

Run Spartan Trail at Toro Park in Salinas on May 31, where rolling golden hills and smooth trails set the stage for marathon, half and 10K trail races. Enjoy scenic singletrack, a lively community vibe and team and service member discounts.

Hit coastal singletrack at the Malibu Canyon Trail Races in Point Mugu State Park. Pick distances from half marathon to 100K and enjoy stunning ocean views and a rewarding trail challenge on June 6, 2026.

Run beneath towering Sierra giants at the 36th annual Shadow of the Giants in Fish Camp, CA on June 6, 2026. Choose 50k or 20k routes from Camp Green Meadows, enjoy well stocked aid stations, and celebrate with a finisher medal.

Challenge yourself at the Bay Area 100 on June 6, 2026, a scenic point to point 100 mile race across East Bay ridgelines, redwood forest and Lake Chabot. Limited to 150 runners, the course features about 18,000 feet of climbing and a 33 hou..

Run 50 miles of iconic Pacific Crest Trail single track through the Laguna Mountains, with big climbs, rocky sections and sweeping views. Part of the SoCal Ultra Grand Prix, this classic out and back is a true test for trail lovers.

Run the 42nd annual Lake Chabot Trail Challenge on June 7, 2026 in Castro Valley, with a scenic hilly half marathon or a 5K featuring ridge line views of Mt Diablo and the Bay. Chip timed races, finisher medals, and on site packet pick up.

Join the Griffith Park Trail Marathon Relay and 8K for team excitement or a scenic solo run on fire roads and trails. Enjoy chip timing, a finisher medal, live music, food trucks and post race fun plus cash prizes for top finishers.

Run around Lake Tahoe in the Tahoe 200, a rugged 200 mile ultramarathon along the Tahoe Rim Trail with alpine lakes, long ridgelines and forest single track. Massive elevation, full aid stations and a 105 hour cutoff make this a true advent..

Run the Cool Moon Trail Races in Cool, California on June 13-14, 2026, with options from 5K to 100K on scenic single track and fire roads. Well marked routes, lively aid stations and live runner tracking make for an unforgettable trail week..

Run Phoenix Rising at Griffith Park with 5k, 10k, 15k or half marathon options on scenic dirt trails around Crystal Springs. Expect aid stations, finisher medals, free photos and a friendly shared trail with hikers and equestrians.

Take on a scenic 100 mile trail challenge near Cool, California featuring looped singletrack and fire roads with about 13,600 ft of climbing. Live tracking, regular aid and a handcrafted buckle await finishers.

Challenge yourself on a scenic one mile loop at Crissy Field with 3, 6, and 12 hour solo and team timed events. Enjoy a flat waterfront course, real time lap tracking, and a finisher medal for every runner.

Broken Arrow Skyrace is California's first skyrunning event, held at Squaw Valley (Palisades Tahoe) in the Sierra Nevada. Presented by Salomon and organized by Alpenglow Mountain Racing, it offers multiple mountain-running distances: 11K, 1..

Challenge a scenic 100 mile loop in Northern CA with about 15,000 feet of climbing through Lassen and Thousand Lakes Wilderness. Starts and finishes at Burney Mountain Guest Ranch with ranch camping and a post race meal.