Trail Running calendar near Rancho Santa Margarita 2025-2026

Take on the LA Sunset Trail Relay in Griffith Park, with a team 10 mile relay, solo 5K and Kid Run on scenic loops. Expect medals, race shirts, live music and finish line fun for friends and families.

Tackle scenic trails and city views at the Ascot Hills Challenge 5K in Los Angeles, with an in person chip timed race and virtual option for remote runners. Proceeds support local schools and park restoration, making every mile count.

The Angeles Crest 100 is a classic 100 mile point to point mountain ultramarathon across the San Gabriel Mountains with over 21,000 feet of climbing. Held Oct 3, 2026 from Wrightwood to Altadena, entry is by lottery.

Run a challenging 100K through the wild trails of Cuyamaca Rancho State Park, featuring mountain ridges, desert views and stretches of the Pacific Crest Trail. This three loop course near San Diego is a Western States qualifier and a true t..

Run a Native organized fundraiser on the Cahuilla Reservation in Anza supporting youth and family programs. Choose from 100 mile, fixed time races and shorter distances on a runnable 2 mile dirt loop with handcrafted awards and buckles.

Lake Hodges Trail Festival is a two day trail and multi sport weekend around scenic Lake Hodges with races from a kids mile to a 50K and a run bike run duathlon. This cupless event rewards finishers with a handcrafted wooden medal and tri b..

Test your limits at SPACEROCK in Vasquez Rocks on October 17, 2026 with looped trail options from 5K to a Half Marathon+ just under 14 miles and 3,200 feet of climbing. Expect rocky single track, a 500 foot Black Hole tunnel and cupless aid..

Experience scenic singletrack and natural terrain at Hahamongna Watershed Park in Pasadena with options for a trail half marathon, 10K, or 5K on Sunday, October 18, 2026. Perfect for trail runners seeking a challenging yet runnable course.

Tackle scenic singletrack at Caspers Wilderness Park in San Juan Capistrano on October 24, 2026. Choose from 10k, half marathon, 35k, marathon, or 50k for a day of trails, views, and strong community vibes.

Push your limits at the Wildwood Canyon Trail Run, an 8 hour timed event in Yucaipa on a scenic 3.7 mile loop with about 600 feet gain per lap. Aid stations, live bluegrass and a brewery afterparty add festival fun.

Machete Muertos 200 at Lake Perris CA, Oct 28 to Nov 1 2026, is a multi distance trail festival from a scenic 10 mile loop to a rugged 200 mile ultramarathon. Expect technical terrain, huge elevation gain, a 20 mile ruck division and campgr..

Run scenic, rugged trails in Cleveland National Forest at the Saddleback Marathon in Silverado on November 7 2026. Choose marathon, new 25k, half or 10K courses with big climbs and sweeping canyon views, racing out of Black Star Canyon for..

Run the scenic Catalina Island trail through Avalon, past the historic Wrigley Mansion and up to summit vistas over the Pacific. Choose a challenging half marathon, a hilly 10K, a kids fun run, or tackle the Triple Crown challenge.