Trail Running calendar near Simi Valley 2025-2026

Run scenic trails at Tejon Ranch near LA with options from 11k to a rugged 100k through canyons, creeks and sage country. Fully marked courses, staffed aid stations, camping and a finish festival with food and beer.

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..

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.

Join the Nature Made Great Race in Agoura Hills on April 11, 2026 for trail and road courses ranging from 1 mile to Chesebro Half Marathon. On site and virtual options, medals, a premium technical top, expo 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.

Take on ocean view trails in Malibu at the Point Mugu Trail Run on April 18, 2026. Choose a scenic 13.3 mile half marathon or 6.9 mile 10k with big climbs, finisher medal, postrace food and a beer garden.

Join the 14th annual Aut2Run for Autism on April 26, 2026 at CSU Channel Islands in Camarillo. Choose from 15K, 10K, 5K, 1 mile and kids Fun K while supporting Autism Society Ventura County and enjoying medals, shirts and community spirit.

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.

Run the Old Zoo Half Marathon in Griffith Park, LA, on scenic, mostly flat trails with both a half marathon and 12K option. Limited spots after last year sold out, so grab your entry for a festive race, finisher medal and post race goodies.