Trail Running calendar near Simi Valley 2025-2026

Experience rugged mountain trails and sweeping views at Tierra Redonda Mountain Trail Run and Camp in Bradley California on November 15 2025. Choose from epic 48 hour and 24 hour challenges or 20 km 10 km and 5 km distances.

Catalina Island Marathon, 10K and 5K on March 14, 2026 offers scenic island trail running through the Catalina Island Conservancy with ocean views and rolling hills. Marathon, shorter distances and a kids run welcome a range of abilities.

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..

Experience rugged mountain trails and sweeping views at Tierra Redonda Mountain Trail Run and Camp in Bradley California on November 15 2025. Choose from epic 48 hour and 24 hour challenges or 20 km 10 km and 5 km distances.

Run the Valencia hills on March 21, 2026 with 10K, half marathon or 50K ultra options. Scenic single track trails, ridgelines and big climbs promise a rugged, rewarding challenge.

Take on the Griffith Park Trail Marathon in Los Angeles, an out and back trail run that climbs near the Hollywood sign with single track and fire road scenery. Multiple distances and well spaced aid stations make it a great day for trail ru..

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..

The Point Mugu Trail Run will take place in Malibu on Saturday 4 April 2026. You can run between 10 and 21 kilometers.

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 in Moro Canyon at Crystal Cove State Park in Laguna Beach with 6K and 10 mile courses offering ocean views, climbs, and flowing descents. Race photos, a shirt, and a finisher medal are included.

Run the 41st Nature Made Great Race in Agoura Hills on scenic trail and road courses from 1 mile to the half marathon, plus a virtual option. All finishers get medals and enjoy live timing, on course photos and a lively post race party.

Test yourself on the scenic Leona Divide trails in Lake Hughes on April 18, 2026 with distances from 30k to 100 miles. The 100 and 100k are Western States qualifiers and the 50 mile offers an AC100 Silver ticket; register by April 1.

Join the 14th annual Aut2Run for Autism in Camarillo with in person and virtual options to benefit Autism Society Ventura County. Choose 1 mile to 15K, plus a kid friendly FunK, earn a finisher medal, and support local programs.

Join Coyote Two Moon, May 1 to 3, 2026 in Ojai, California, for scenic trail ultras in Los Padres National Forest with distances from 10K to 100 Miler. Expect big climbing, rugged singletrack, and a small field for a true mountain test.

Run high mountain trails around Pacifico Mountain in the scenic Angeles National Forest with options of a 50k ultra or 21k trail race. Enjoy alpine views, aid stations, finish line food and on course support for a true SoCal trail day.

Hit coastal singletrack at the Malibu Canyon Trail Races in Point Mugu State Park. Pick distances from half marathon to 100K and enjoy stunning ocean views and a rewarding trail challenge on June 6, 2026.

Run scenic trails in Griffith Park Los Angeles at the Trail Marathon Relay & 8K on June 7, 2026 with team relays, live DJs, food trucks, swag and medals. Enjoy varied terrain, free photos and a festival finish.

Join Phoenix Rising on June 13 at Griffith Park with distances from 5k to half marathon on scenic dirt trails. Enjoy custom finisher medals, goodie bags, free photos and videos, plus aid stations and stroller friendly routes.

Tough Topanga invites trail runners to scenic Topanga State Park with 10k, 15k and a 1 kilometer junior race over winding singletrack and big climbs. Finish with a handmade medal and tee, post race breakfast, a beer garden and massage.

Run the rugged Harding Truck Trail through Cleveland National Forest near Modjeska Canyon with 15K, 30K, or adventurous 50K options. Expect steep climbs, summer heat, and well stocked aid stations to keep you moving.