Trail Running calendar near Brea 2025-2026

Celebrate Valentine's Day at Griffith Park with A Better World Running for scenic trail runs including 5k, 10k, 15k and a half marathon. The course is marked with cones and aid stations, and all finishers get a custom medal plus free photos..

Explore vineyards, orange groves and single track at the 9th annual San Pasqual Valley Trail Race, with 10K, half marathon and 20 mile options. Enjoy a free wine tasting at the finish and tackle Raptor Ridge in a field capped at 450.

Run the 4 Mile Hill Challenge at Debs Park on scenic trail with rolling climbs, or try the 2K youth hill challenge for adventurous kids. Pet friendly and includes a shirt at packet pickup, but the event is postponed due to severe weather wa..

Run the Catalina Island Marathon, 10K or 5K in Avalon on March 14, 2026 and explore scenic coastal trails through the Catalina Island Conservancy. Now in its 48th year, this storied off road race is a must for adventurous runners.

Singletrack Stampede in Calabasas features scenic, technical trails on the Millenium Loop with switchbacks and creek crossings. Pick the 22k with a $500 course record bonus or the punchy 10k. Entry includes a local finisher medal, photos an..

Take on scenic ridgelines and canyon trails at the VALENCIA Trail Race in Valencia Santa Clarita CA on March 21 2026, with 10K, half marathon and 50K ultra distances. Expect big climbs, aid stations and a finisher medal in a limited field e..

Join the Coast to Crest 10K or 5K in Del Mar on March 28, 2026, a fast, mostly flat dirt trail with wide lagoon views and a downhill finish. A final Sunshine Series Championship qualifier, it is perfect for speed seekers and you might spot..

Run the Griffith Park Trail Marathon in Los Angeles, a scenic out and back through single track trails and fire roads that reaches the Hollywood sign summit. Options from 10K to 50K make it perfect for beginners and ultrarunners alike.

Challenge yourself at the Billy Goat Mountain Climb near Silverado with steep climbs and sweeping views through Cleveland National Forest. Choose a 17 mile loop, half marathon or 10K and finish with a medal, race shirt and post race snacks.

Hoppy Easter on April 4, 2026 at Griffith Park in Los Angeles offers 5k, 10k, 15k and half marathon on scenic shared trails where strollers are welcome. Enjoy aid stations, free photos and a custom finisher medal to celebrate your run.

Hit the trails at Crystal Cove for Rock It in El Moro Canyon on April 4, 2026, choose a scenic 6K or challenging 10 Miler with climbs, descents and Pacific Ocean views. Run or hike, and enjoy a shirt, race photos and a finisher medal.

Run scenic trails at the Nature Made Great Race in Agoura Hills with distances from 1 mile to a half marathon and combo events. Enjoy a big post race party with food, music and shopping or join virtually.

Two days of scenic trail runs and gravel rides at Bedrock Valley Trail Runs, April 11 and 12, 2026 at Diamond Valley Lake Marina in Hemet, CA. Family friendly with kids and stroller runs, medals and finisher shirts, bring your own hydration..

Run the Leona Divide trail races in Lake Hughes, CA on April 18, 2026, with distances from 30K to 100 Miler. Western States qualifiers and AC100 tickets are on the line, with athlete guides and optional bib pickup the day before.

Run the Natro Noli trail race on Soboba Reservation in San Jacinto CA with marathon, half, 5k and kids 3k on scenic rugged single track. Limited to 100 runners and raising funds for a Noli student scholarship, with shirts and awards.

Run ocean view trails in Malibu at the Point Mugu Trail Run, with 13.3 mile and 6.9 mile courses that climb scenic switchbacks and ridge lines. Finish to a lively post race festival with food, beer garden, awards, music and finisher medals.

Machete Trail Madness 100k at Lake Perris on April 25, 2026 offers 10k, 50k and 100k trail races on very technical terrain with steep climbs and stunning lake views. Camp at the start, enjoy aid stations and free race photos.

Run rugged, scenic trails with punchy climbs at Las Virgenes Canyon Ultra in Woodland Hills, Los Angeles on April 25, 2026. New 100K joins a range of distances from 6K to 84K, with full support, music and post race swag.

Join the 14th annual Aut2Run at CSU Channel Islands Apr 26, 2026 with races from 15K to a mile, a Fun K and virtual options for all ages. All proceeds support Autism Society Ventura County and promote inclusion.

Run through the vines at Orfila Vineyards in Escondido on May 2, 2026 for the first annual Trails n Vines Wine Run. Choose 3, 6 or 9 miles and enjoy post race wine tastings and a food truck in a scenic vineyard finish.