Trail Running calendar near Brea 2025-2026

Get into the holiday spirit at Run for a Claus in Irvine on Dec 20, 2025, with 1 mile and 5K options plus virtual entries. Enjoy festive music, cookies, a Santa hat, finisher medal and support local charities and kids.

Del Dios Trail Race Del Dios Trail Race, called the "Race of the Gods", is the 11th annual edition held at Lake Hodges in Escondido, California. The event takes place in January 2026. It is listed as a Championship Qualifier. The..

Event details Ring in the New Year is a running event at Whittier Narrows Recreation Area on Sunday, January 4, 2026. The course uses marked out-and-back loops on the beach path and is an open course shared with other pedestrians, runners,..

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..

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.

Boney Mountain on Feb 7 features a scenic yet rugged half and 7k near Thousand Oaks with steep singletrack, creek crossings and ocean views. Part of the SoCalTrail Trail Half Series, the race includes a medal, shirt and local breakfast.

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..

Run scenic trails in Griffith Park, Los Angeles with 5k, 10k, 15k and half marathon options on hard packed paths. Enjoy custom finisher medals, aid stations, snacks and free photos for a fun, family friendly race day.

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.

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.

Event details Singletrack Stampede is a trail run in Calabasas, CA, held at 4232 Las Virgenes Road. The event is listed as Race #2 of the SoCalTrail "Trail ½ Series" for 2026. Registration is noted as coming soon. Distances: 22K..

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 the Coast to Crest 5K or 10K in Del Mar on March 28, a fast, mostly flat trail with wide lagoon views and a downhill finish. As the final Championship Qualifier of the Sunshine Series, it is perfect for a scenic sprint PR and osprey sig..

Celebrate Easter with a trail run at Griffith Park in Los Angeles. Choose distances from 5k to a half marathon on scenic dirt paths with a grassy start and finish. Finisher medals, snacks and free photos add festive fun for all paces.

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.

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.