Trail Running calendar near San Jacinto 2025-2026

Remembering Dingneng is a memorial, non competitive marathon along San Diego's scenic Los Penasquitos Canyon Trail. Self supported and flexible, runners choose their distance and can register free for an official result.

Run scenic trails at O'Neill Regional Park on May 16, 2026, with distances from 10k to 50k for every level. Expect challenging singletrack, on site bib pickup, and a friendly race day vibe that welcomes beginners and ultrarunners.

Run the 10K Spartan Trail at Big Bear Lake on singletrack through high altitude pine forest with technical climbs, descents and sweeping Sierra views. A scenic, challenging mountain course that joins a Spartan Trail weekend of adventure.

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.

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.

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.

Challenge yourself on the rugged trails of Black Mountain in San Diego on June 20, 2026 with 50K, 25K and half marathon options. Expect technical rocky single track, sweeping views and lively aid stations in a wild coastal landscape.

Take on the Harding Hustle in Cleveland National Forest on July 18, 2026, with 50K, 30K and 15K options over scenic, rugged jeep road terrain. Expect hot July conditions, stocked aid stations, chip timing and hearty post race food.

Run under a full moon on scenic loops through manzanita and rock formations near Cahuilla Mountain, with distances from a 9 miler up to 50K. Limited to 200 runners for an intimate nighttime trail experience.

Run scenic 5K, 10K or half marathon around Green Valley Lake with lake loops, forest trails and a steady climb to a sweeping viewpoint. Celebrate after with food, live music and community energy while supporting the Children's Forest.

Experience rugged singletrack and sweeping ridge views at the Noble Canyon Trail races in Pine Valley CA on September 5, 2026. Choose a challenging 50K or a scenic 15K through pine forests, granite slopes and canyon switchbacks.

Run the Ascot Hills Challenge 5K on scenic trails above East Los Angeles with sweeping views of Dodger Stadium and the Hollywood sign. Proceeds benefit Wilson High School fire and police cadet programs and help preserve Ascot Hills Park.

Run the legendary Angeles Crest 100 mile on October 3, 2026, a point to point mountain ultramarathon from Wrightwood to Loma Alta Park. Roughly 21,610 feet of climbing and its original US 100 pedigree make it a Western States qualifier.

Join the Cahuilla Rez Ultra in Anza, CA on Oct 17, 2026, a Native organized fundraiser celebrating Cahuilla culture and supporting youth. Choose from 100 mile, timed loop events, half marathon or a community 5k.

Take on rugged trails and big climbs at the Saddleback Marathon in Silverado, CA on November 7, 2026, with Marathon, Half Marathon and 10K options. Scenic canyon routes, steep elevation and a true backcountry running challenge await.