Trail Running calendar near Rancho Santa Margarita 2025-2026

The Sean O'Brien event in Calabasas, California, offers multiple trail running distances including 100K, 50 miles, 50K, marathon, and 30K. The 100K race serves as a qualifier for the 2026 Western States 100. The course features scenic trail..

Event overview The Ranch 50K and Half Marathon takes place February 14, 2026, at Daley Ranch in Escondido, CA, with the Start/Finish at Dixon Lake Picnic Area. Registration opens September 1, 2025; registration closes February 12, 2026 at 1..

Event details The event is scheduled for Saturday, February 14, 2026, at Griffith Park in Los Angeles. Distances offered: 5k 10k 15k Half marathon All finishers receive a medal and a goodie bag. Results are typically posted on the event p..

Experience scenic trails through vineyards and orange groves at the 9th annual San Pasqual Valley Trail Race on February 21, 2026 in Escondido. Pick 20 mile, half marathon or 10K and toast your finish with free local wine tasting.

Experience scenic looped trails at Goodman Ranch Sycamore Canyon Preserve near San Diego on Feb 28, 2026. Choose from a half marathon up to a 100K solo or 4 person relay for a rewarding day of trail running and camaraderie.

Event overview The 2026 Catalina Island Marathon, 10K, 5K is scheduled for March 14, 2026 in Avalon, CA (90704). This edition is the 48th annual running of the event. The marathon is listed as California’s State Off-Road Marathon Championsh..

Event overview The Old West Trail Runs take place on March 14, 2026 in the Anza Borrego Desert State Park area with start/finish at Stagecoach Trails RV Resort & Campground near Julian, CA. Distances offered: 50K - 31.1 miles Marathon..

Join the Singletrack Stampede in Calabasas on March 14 for scenic, twisty singletrack on Millenium Loop with creek crossings and steep climbs in 22K and 10K. Finish with medals, photos, plant based tacos, music and massages.

Test your limits at Pirate's Cove Run Hike at Lake Cuyamaca on March 20, 2026 with timed 24 hour, 12 hour, and 6 hour options. Enjoy a scenic mountain loop, lakeside camping and a relaxed park restaurant with stunning views.

Challenge yourself at the Valencia Trail Race in Valencia California on March 21, 2026 with 10K, half and 50K options on scenic single track ridgelines and canyon trails. Enjoy panoramic mountain and valley views, spring wildflowers, and fu..

Event overview The Coast to Crest 10K and 5K takes place on March 28, 2026 in Del Mar, California. The event is hosted at the San Andreas Staging Lot, 2801 Via De La Valle, Del Mar, CA. It is an annual trail race presented by the Endurance..

Event overview The Hoppy Easter race is held at Griffith Park, Los Angeles, on Saturday, April 4, 2026. Distances offered: 5k - out-and-back route 10k - two 5k loops 15k - three 5k loops Half marathon - three 4.36 mi loops Every participa..

Test yourself on rugged trails in the Cleveland National Forest at the Billy Goat Mountain Climb near Silverado, CA. Choose the punishing 17 mile Silverado Loop, a half marathon or 10K for creekside views, steep climbs and big rewards.

Run the Point Mugu Trail Run in Malibu, featuring ocean view switchbacks and rugged coastal singletrack. Choose a 13.3 mile half marathon or 6.9 mile 10k, earn a finisher medal and enjoy a post race party with food, beer garden and massage.

Bedrock Valley Trail Runs is a family-friendly trail weekend held at Diamond Valley Lake Marina, Hemet, California. The festival offers multiple trail distances: Trail Marathon, Trail Half Marathon, 15K, 10K, 5K, a Stroller Trail 5K, and a..

Join the 41st Nature Made Great Race in Agoura Hills on April 11, 2026 for trail and road races from a scenic half marathon to 5K and fun stack challenges. Enjoy live timing, expo, finishers medals and a lively post race party.

Oriflamme is a 50K trail near Julian in Anza Borrego with scenic single track, desert canyons and a steep climb out of Oriflamme Canyon. Field limited to 150, nine hour cutoff, finishers receive a technical shirt and medal.

The Run4Kids Ultra Running Party will take place in Corona from Friday 17 April 2026 to Saturday 18 April 2026. You can run between 21 and 24 kilometers.

Run the annual NATRO@NOLI trail race at Soboba with distances from 3k to marathon over hills, sand, single track and stream crossings. Entry is capped at 150, with awards, shirts and proceeds helping a Noli Indian School scholarship.

The Ramona Wine Country 5K is a unique running event held at BackCountry Gardens in Ramona, California. This scenic race features a challenging 1.5-mile loop course with natural obstacles including hills, streams, boulders, and mud, offerin..