Trail Running calendar near Simi Valley 2026-2027

We have found 79 Trailruns within 80 miles of Simi Valley. See below where and when you can find the races.

Celebrate Valentine's Day with a run through Griffith Park. Choose from a 5k, 10k, 15k, or Half Marathon on a scenic dirt trail. The event includes finisher medals, photos, and a relaxed atmosphere for all levels.

A trail event at Audubon Center at Debs Park on February 21, 2026 offering a 4 mile run and a 2K youth hill challenge. The route runs on rolling hills with narrow trails, is pet friendly, and includes hydration stations.

Trail races at Tejon Ranch near Lebec California include 100k 50k 25k and 11k on fire roads with marked courses aid stations and chip timing. The event offers camping options a finish festival with food and a beer garden for 21 plus.

A chip timed trail event at Panorama Vista Preserve with 6K and 12K courses, hand made age group awards, event shirt, post race pancake breakfast, raffles, and a finisher medal.

March 2026

The Santa Barbara Nine Trails is a trail run event on March 14, 2026, featuring 35-mile and 17-mile distances. It takes place in Santa Barbara, California. Registration is handled via an online platform, with a detailed runner guide availab..

A trail marathon and shorter races held March 14, 2026 in Avalon on Catalina Island. The event includes the state Off Road Marathon Championship plus 10K, 5K and a Kids Run.

Singletrack Stampede in Calabasas, CA offers trail races including 10k and 22k plus half marathon league entries on singletrack with switchbacks, creek crossings and viewpoints; entries include a finisher medal and free race photography.

Event Details The Nine Trails 35 Mile Endurance Run and a non-competitive 18-mile fun run take place in Santa Barbara, California. The start and finish area is the Jesusita Trailhead on San Roque Road. Course Description The main 35-mile co..

Explore the hills of Valencia on March 21, 2026, with a choice of 10K, half marathon, or 50K ultra trail distances. The course features single-track trails, challenging climbs, and panoramic ridge views. This cupless event provides a shirt,..

Trail races at Whiting Ranch Wilderness Park on March 21, 2026 feature 6k, 10k, half marathon and 30k courses through oak-filled foothills with marked support and event swag. Finishers are offered a complimentary beer with a meal at a local..

The inaugural Hill Canyon Trail Trot 5K is a scenic trail run along creek paths in Camarillo. The event features a 5K race and a Kiddie K for children, with all proceeds supporting the Stepping Stones Riding Program.

The Griffith Park Trail Marathon will take place in Los Angeles on Saturday 28 March 2026. You can run between 10 and 50 miles.

April 2026

This trail race climbs into the Cleveland National Forest near Silverado, California. Runners can choose from a 10K, half marathon, or a challenging 17-mile local loop. All courses feature significant elevation gain and well-placed aid stat..

Trail run and hike options of 6K and 10 mile take place in El Moro Canyon at Crystal Cove State Park on April 4, 2026. Registration includes race photos, a shirt, and a finisher medal; park parking is $15 per vehicle.

Hop into spring with the Hoppy Easter runs at Griffith Park. Choose from four distances on a scenic dirt trail course, from a 5k to a half marathon. Every finisher gets a custom medal, and the event includes free photos and a friendly atmos..

A multi-distance running event at Chumash Park featuring a mostly trail half marathon, 5K and 10K road races, stack challenges that combine multiple races, on-course support, timed results and an awards and expo area.

Yaya's Run honors a local runner with a celebration on the Ventura beach path. Choose from a 5k, 10k, 15k, or half marathon on this scenic, marked course. Your registration includes a finisher medal, goodie bag, and free photos.

Retro themed runs at Bolsa Chica State Beach on April 12, 2026 featuring 5K, 10K, a half marathon and a kids dash, plus a costume contest, live DJ, vendors, chip timing and oceanfront course views.

Trail races at The Lakes Community Center in Lake Hughes on April 18, 2026, offering distances from 30K to 100 miles; the 100K and 100M are Western States qualifiers and the 50M awards AC100 Sterling Silver tickets to top finishers.

Point Mugu Trail Run in Malibu features a 13.3 mile half and a 6.9 mile 10k with ocean view switchbacks and a steep Fireline climb. The event includes a finisher medal, free course photos and post race food and a beer garden.