Trail Running calendar near San Diego 2026-2027

We have found 55 Trailruns within 80 miles of San Diego. See below where and when you can find the races.

A trail race in Modjeska Canyon offering 50K, 30K, and 15K on Harding Truck Trail through the Cleveland National Forest. The event uses shuttle access to Tucker Wildlife Sanctuary, is cupless, and features staffed aid stations.

South Bay 24 is a timed endurance challenge on a flat 1.22-mile loop in San Diego. Runners choose from 24, 12, or 6-hour events, aiming for personal records or the 100-mile buckle. The event includes a campsite, meals, and a special prize f..

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.

August 2026

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.

September 2026

Trail races in Pine Valley, California offering 50K and 15K courses through Noble Canyon and the Cleveland National Forest. Technical terrain includes rocky climbs, exposed ridgelines and canyon switchbacks with multiple aid stations and co..

Experience rugged trail racing at Lake Elsinore Raceway with 5K and 10K obstacle courses. This event weekend features mud and open terrain alongside endurance challenges and dedicated races for kids.

A San Marcos trail event with a 10K, 5K and Kids Trail Trot that climbs to Double Peak’s summit at 1,558 feet; bibs, wooden medals and shirts are listed as finisher items, and registration closes Wed, Sep 23 at 12:00 PM PT.

October 2026

Experience a 100 kilometer trail run through the diverse landscapes of Cuyamaca Rancho and Anza Borrego Desert State Parks. This scenic endurance race traverses pine forests and oak woodlands just east of San Diego.

Experience remote mountain running in the Cleveland National Forest with three distances featuring significant elevation and coastal views. The event offers well supported aid stations and serves as a qualifier for the Angeles Crest 100.

A multi distance event on the Cahuilla Indian Reservation in Anza, California. It uses a runnable 2 mile loop for fixed time races and a 100 mile event, with camping, limited RV spots and a real food aid station, fundraising for tribal yout..

Experience a diverse weekend of trail running and off road duathlon at San Diego’s Scenic Lake Hodges. Choose from distances ranging from a kid’s mile to a 50K ultra marathon or tackle the mountain bike and run challenge.

Trail races in Julian, California featuring 50K, marathon and half marathon courses that climb Cuyamaca Peak on mostly single track trails with significant elevation change and mountain views.

A revived 200 mile endurance run based in Escondido, California, that circumnavigates San Diego County over varied terrain. Field limited to 24 experienced ultrarunners; crews are required and profits go to a Native American charity.

Test your limits at the Los Coyotes Reservation with single loop or ultra timed trail races. Run through alpine forests and desert landscapes before enjoying camping, bonfires, and yoga at the Ragnar Village festival site.

A trail running event at Caspers Wilderness Park on October 24, 2026, offering 10k, half marathon, 35k, marathon and 50k courses. Courses are described as marked and supported, with an athlete guide and past results available.

Machete Muertos 200 is a multi-distance trail event at Lake Perris, CA from October 28 to November 1, 2026. The 200 mile race includes over 44,000 feet of elevation and a 96 hour cutoff; camping and cash prizes are provided.

November 2026

Run through the Pine Creek Wilderness on a wide dirt fire road in Alpine. This out and back course offers both a 10k and a half marathon distance with a steady climb and a fast downhill return.

Trail races in Silverado, CA run out of Black Star Canyon with a marathon, a new 25k, a half marathon and a 10K. Routes follow creekside trails, switchbacks and ridge sections with multiple aid stations.

Roosters Backyard Ultra returns to Rohr Park in Chula Vista, California, using a smooth, hard-packed loop with one gentle hill; the backyard ultra format has runners complete repeated laps. Dog friendly with car camping and pop-up tents all..

Experience an obstacle course race at Oak Canyon Park featuring a 5 km course with over 15 obstacles and a Mini Monkey Run for kids. Enjoy a festive atmosphere with music, food, and free spectator access.