Trail Running calendar near Rancho Santa Margarita 2026-2027

Explore scenic singletrack at the San Diego 50 and Trail Runs in Escondido, with options from a youth mile to an epic 50 mile test. Expect big climbs, summit views, community energy, and a lively finish festival.

Join OC Trail Runners for a free social trail run at El Moro and Laguna Coast Wilderness Park in Newport Beach, led by an Aravaipa rep. About 7.5 miles with rocky sections, so bring hydration and stay after for snacks and a raffle.

Run or hike to the iconic Hollywood Sign through scenic Griffith Park, with 8M, 8K, 5K and a kids 2.2K option. Enjoy skyline views, chip timing, finisher medal and post race refreshments in a true LA outdoor experience.

Run or hike through Griffith Park to the iconic Hollywood Sign on out and back courses ranging from a kids run to 8 miles. Enjoy skyline views, chip timing, aid stations and a finisher medal.

Run the scenic Sean O'Brien Trail Races in Calabasas on January 31, 2026, with distances for every trail runner. The 100K is a Western States 100 qualifier, and options from 30K to 50 Miler promise challenge and community.

The Game Day Half Marathon will take place in Baldwin Hills on Sunday 8 February 2026. You can run between 5 and 21 kilometers.

Run scenic, rolling trails through Escondido's Daley Ranch with a rugged 50K two loop challenge or a single loop half marathon. Both races start and finish at Dixon Lake with stocked aid stations and SoCal Ultra Series points.

The ABWR Half Marathon - Griffith Park will take place in Griffith Park on Saturday 14 February 2026. You can run between 5 and 21 kilometers.

Celebrate the Lunar New Year with a bold, self supported trail loop in San Diego. This unmarked 51 mile course around PQ Canyon demands navigation and self reliance, rewarding runners with scenic trails and a true backcountry challenge.

Celebrate Valentine’s Day with a scenic trail run in Griffith Park Los Angeles. Choose from 5k, 10k, 15k or half marathon loops and enjoy aid stations, a finisher medal, free photos and post race snacks.

Take on scenic single track trails at the ninth annual San Pasqual Valley Trail Race in Escondido, with 20 Mile, half marathon and 10K options that summit Raptor Ridge. Celebrate at the finish with free wine tasting from local vineyards.

Run rolling trails at Debs Park in the 4 Mile Hill Challenge, with a scenic 4 mile route, a spirited 2K youth climb and a green earth celebration. Note the event is currently listed as postponed.

Challenge yourself at Sycamore Canyon in Poway CA on Feb 28, 2026 with looped 100K and 50K ultradistance options plus a half marathon at Goodman Ranch Preserve. Solo and 4 person relay entries available for the ultras.

Ranch to Ranch brings you rugged single track trails between working ranches in scenic Japatul Valley, with distances from a fun kids 2K to a challenging 15K. Enjoy a lively ranch vibe, team competition, and sweet swag including long sleeve..

Run through an active limestone quarry at the Cemex Quarry Quest 5K in Rialto, where rugged terrain and towering industrial equipment create a thrilling backdrop. Enjoy a memorable race while supporting cancer awareness and fundraising.

Run 50K, marathon, or half marathon in Anza Borrego Desert State Park, starting and finishing at Stagecoach Trails RV Resort. Sandy jeep roads and singletrack deliver stunning desert scenery and a SoCal Ultra Series qualifier.

Run Catalina Island Marathon, 10K and 5K on March 14, 2026 along scenic trails with ocean views and rolling hills. Join the 48th annual event and California State Off Road Marathon Championship in Avalon.

Take on scenic singletrack through Las Virgenes Canyon in Calabasas with creek crossings, switchbacks, and expansive views. Choose a challenging 22k or a fun 10k and enjoy a local finisher medal, hot coffee, and race day photos.

Test your endurance at Pirate's Cove, a timed run and hike at scenic Lake Cuyamaca with 6, 12 and 24 hour options. Cupless event with campground HQ and camping; bring your own cup or buy a souvenir. Military and veteran discounts available.

Experience scenic single track ridgelines and canyon trails in the Valencia hills north of Los Angeles on March 21, 2026. Choose a 10K, half marathon or challenging 50K ultra with big climbs, aid stations and finishers' swag.