Trail Running calendar near Fullerton 2025-2026

Experience scenic San Pasqual Valley trails at the San Diego 50 & Trail Runs, with distances from a 50 mile challenge to family friendly youth miles. Finishers earn a handcrafted wooden medal and tri blend shirt while enjoying aid stations..

Take in iconic views of the Hollywood Sign in Griffith Park on January 25, 2026 with distances from a kid friendly 2.2K to an 8 mile trail option. Scenic out and back routes, finisher medals, shirts and chip timing make it great for all age..

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..

Run the Boney Mountain Trail Run at Rancho Sierra Vista Satwiwa on Feb 7, 2026 for ocean views, creek crossings and steep climbs in Point Mugu. Choose 13.1 or 4.4 mile routes and finish with a medal, shirt and plant based breakfast.

Take on scenic Santa Monica Mountains and Point Mugu trails with creek crossings and ocean views at the Boney Mountain Trail Run. Choose a half marathon or 7k, chase a $500 course record bonus, and enjoy post race tacos and festival awards.

Run scenic trails at Kenneth Hahn State Recreation Area with 5k, 10k, 15k and half marathon options on marked out and back loops. Expect a short steep climb, finisher medals, free photos and post race snacks for a fun park day.

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..

The Happy Valentines Day Half Marathon - Los Angeles will take place in Los Angeles on Saturday 14 February 2026. You can run between 5 and 21 kilometers.

Run scenic vineyard and orange grove trails in San Pasqual Valley with three distance options from 10K to 20 mile. Limited to 450 runners, the half marathon is the final championship qualifier and finishers enjoy free wine tasting.

Tackle the 48th Catalina Island Marathon, 10K or 5K on March 14, 2026 in Avalon. Trail routes through the Catalina Island Conservancy serve up ocean views and rolling green hills for a scenic off road challenge.

Run scenic singletrack through Las Virgenes Canyon in Calabasas with 22k and 10k options featuring hills, switchbacks and creek crossings. This March event is Race 2 of the SoCalTrail Trail 1/2 Series and includes shirts, finisher medals an..

Join the VALENCIA Trail Race in Valencia California on March 21, 2026 for scenic, rugged single track and ridge runs with 10K, half marathon and 50K distances. Expect big climbs, friendly aid stations and a festive finish.

Run a fast, friendly 5K or 10K along wide, flat dirt trails in Del Mar with open lagoon views and a downhill finish. Scenic course may include glimpses of nesting osprey and serves as the final Sunshine Series Championship Qualifier.

The Hoppy Easter Half Marathon - Los Angeles will take place in Los Angeles on Saturday 4 April 2026. You can run between 5 and 21 kilometers.

Run the scenic Point Mugu Trail Run in Malibu with ocean view switchbacks and challenging climbs on the Fireline Trail. Choose a half marathon or 10k, enjoy a finisher medal, free breakfast tacos and a beer garden and a course record bonus.

Billy Goat Mountain Climb on April 4, 2026 in Silverado CA invites runners to tackle scenic, challenging climbs through Cleveland National Forest with a 10K, half marathon, or a 17 mile Silverado Loop with big elevation gain. Finish line sh..

Run the 41st Nature Made Great Race in Agoura Hills on April 11, 2026, with scenic trail and road courses from a 1 mile up to a half marathon. Enjoy finisher medals, a premium tech top, a lively sports expo and family friendly atmosphere.

Run scenic trails around Diamond Valley Lake at the Bedrock Valley Trail Runs weekend, with distances for all levels plus a kids mile. Finishers get shirts and medals, gravel rides day two, and the event is cupless so bring your own water.

Join the Run4Kids Ultra Running Party in Corona, CA on April 17 and 18, 2026 for a weekend of road and ultramarathon racing. Choose distances from half marathon to 100 mile or try timed events while supporting youth runners.

Challenge yourself on the scenic Sierra foothills at the Leona Divide trail races in Lake Hughes, CA on April 18, 2026. Distances from 30K to 100 Miler include Western States 100 qualifiers for the 100 Miler and 100K.