Trail Running calendar near Simi Valley 2026-2027

A trail race day in Lake Hughes, CA 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.

Challenge yourself on scenic ocean view trails above Malibu at the Point Mugu Trail Run, with a half marathon and a 10k through Sycamore Canyon and up Fireline Trail. Enjoy a finisher medal, free photos and a post race beer garden.

Run the scenic Las Virgenes Canyon Ultra Trail Races in Woodland Hills, CA, offering distances from 6K to 100K across challenging trails with rewarding climbs and views. Fully supported course and lively post-race food, music, and medals ma..

Tackle the Shadow Strike Unsanctioned Run in Chino Hills, a 4+ mile all terrain challenge across trails, gravel and open streets. No clocks, just navigation to checkpoints and cash prizes for top finishers and random participants.

Aut2Run for Autism in Camarillo on April 26, 2026 features multiple distances from 1 mile to a 15K and a virtual option. All proceeds support Autism Society Ventura County programs and community services.

Coyote Two Moon is a challenging multi distance trail running weekend in Ojai, California, May 1 to 3, 2026, with options from 10K to a rugged 100 mile featuring massive climbing. Field is limited to 150 runners so sign up early.

A trail run at Crystal Cove State Park on May 9, 2026 offering 50K, 25K and 5K distances with ocean views, aid for finishers, podium awards, and proceeds benefiting the John Wayne Cancer Foundation.

Run into the 1980s with The Cobra 5Kai, 10Kai & Half Miyagithon along the LA River Path in Canoga Park. Costume friendly, with throwback tunes, a finisher’s medal and plenty of crowd energy; crane kicks encouraged.

The Mount Wilson Trail Race returns May 23, 2026 with an 8.6 mile out and back from Kersting Court to Orchard Camp, plus a children's Fun Run; the event supports volunteer trail repair through the Fletcher Trail Maintenance Fund.

Return to Hahamongna Watershed Park on May 24, 2026 for a day of team relays and solo challenges. Choose a 50 km relay with teams of up to five, a solo 50 km ultra, or a 10 km fun run amid scenic Pasadena trails.

Forever Brave at West Creek Park in Valencia CA on May 24, 2026 invites runners from 5k to half marathon on scenic looped trails with aid stations each lap. Finishers get custom medals, free photos, snacks, and fast posted results.

Pacifico Ultra is a fully supported trail race near Palmdale CA with a challenging 50k and half marathon across technical singletrack and mountain roads. Expect high elevation, aid stations, shuttle service and a true wilderness vibe.

A multi-distance trail event in Malibu, California offering 100k, 50 mile, 50k, 30k and a half marathon on single track and fire road through the coastal Santa Monica Mountains.

Run Fullerton's inaugural 5K on dirt trails through Brea Dam and along the tennis center and golf course. Afterward enjoy a Health and Wellness Fair with local vendors, fitness demos and food trucks.

A trail relay and 8K at Griffith Park on June 7, 2026 featuring a true loop course, chip timing, aid stations, shirts, medals, DJs and food trucks.

Phoenix Rising at Griffith Park in Los Angeles on June 13, 2026 offers 5k, 10k, 15k and half marathon trail friendly courses. Enjoy a marked dirt trail, aid station, finisher medal and free photos in a lively community race.

A four-race summer series of open 5k events at Panorama Vista Preserve in Bakersfield from June 13 to July 25, 2026, with Youth, High School and Adult divisions, points-based scoring using best three results, and prizes for top finishers.

Run the scenic Old Zoo Half Marathon in Griffith Park, Los Angeles on June 14, 2026, with half marathon and 12K options on mostly flat trail courses. Enjoy a commemorative elephant finisher medal, music and postrace refreshments.

Multiple ultramarathon and shorter races on a largely flat bike path along the San Gabriel River. The looped course is USATF certified and features aid stations at both ends.

Tough Topanga on June 20 at Topanga State Park features 15k, 10k, a Junior 1k and an untimed Hiker's Delight on scenic singletrack and fire roads. Expect full aid, chip timing and a festive post race beer garden.