Trail Running calendar near Simi Valley 2026-2027

Experience the natural beauty of the Angeles National Forest at the Pacifico Ultra. Runners can choose between 50k and 21k distances on mountain trails this May.

An annual 5K and 10K run and walk in Rolling Hills Estates on May 30, 2026, using the city bridle trails around Ernie Howlett Park. Overall and age division winners receive plaques and medals.

A free, social, slower paced group run at El Moro and Laguna Coast Wilderness Park in Newport Beach with an approximately 5 mile route and about 500 feet of ascent. Runners should have some prior trail experience.

Trail races at Point Mugu State Park in Malibu, CA on June 6, 2026, offering distances from a half marathon up to 100K; registration closes June 1 at 11:59 PM PT.

The inaugural Fullerton Fit 5K Trail Run offers a scenic dirt trail course through the Brea Dam area. The event also includes a Health & Wellness Fair with local vendors and food trucks. Registration includes a shirt, medal, and other race..

Experience a team relay or individual 8K through the scenic trails and fire roads of Los Angeles' Griffith Park featuring a festive tailgate atmosphere with DJs and food trucks.

Event Overview The Summer Grand Prix is a series of four 5 km races held on Saturdays throughout the summer of 2026. All events take place at Panorama Vista Preserve in Bakersfield, California. Race Details The series consists of four indiv..

Phoenix Rising offers 5 km, 10 km, 15 km and a half marathon in Griffith Park on June 13, 2026. Finishers receive medals and free event photos and videos.

A scenic 5K at Whittier Narrows Natural Area with a short kids run for ages 3 to 12. Registration opens April 13; the 5K lists a $40 fee and prices increase after April 30.

The Old Zoo Half Marathon offers a half marathon and a 12K on scenic, flat trails starting at the historic Old LA Zoo. Runners receive a unique elephant finisher medal and other amenities. Early registration is advised as space is limited.

Experience the Orange Curtain Endurance Run along the San Gabriel River in California. Featuring USATF certified courses from 10k to 100k, this event offers a fast and flat route perfect for personal milestones and Boston qualification.

Trail running at Topanga State Park with 10k and new 15k courses, a non-timed Hiker's Delight, a kids 1k, on-course aid, chip timing, and prize purses as part of the Bulldog Challenge Series.

Celebrate the legacy of Title IX in Yorba Linda. Run or walk a moderate 5K on the El Cajon Trail with the family, strollers, and dogs. After the race, visit the vendor fair and explore awards for various age groups.

A 5k trail run at Gypsum Canyon Wilderness on June 24, 2026 over fire roads and single track with about 350 ft of elevation gain. One aid station at mile 2.2 and a cupless race policy.

Experience a weekend of community and trail running in the Angeles National Forest. Challenge yourself to complete multiple laps of a scenic 4.16 mile loop over six hours while enjoying a supported camping experience.

A community July 4 event in Newhall Park featuring a flat, paved 5K along the parade route, a Kid K, and a Masters Mile Walk, with shirts, medals, an expo, and awards benefiting local high school cross-country programs.

Two trail races at Elings Park in Santa Barbara on July 4, 2026 featuring a 5K and a 2K kids run that adults may enter; registration fees are $40 and $20 respectively.

A mountain 5k up Mt Baldy Resort with about 1,500 feet of ascent to the Notch, followed by a BBQ, bar and live music at the finish. Runners can return by lift and dogs are not allowed on the lifts.

Valley Crest Trails in Tarzana, Los Angeles offers a half marathon, 10K and 5K on Mulholland's exposed ridgeline. Expect rolling climbs, broad views and hot, dry mid July conditions.

Into the Wild is a 5k trail run at Saddleback Wilderness on July 15, 2026, over fire roads and single track with 300 ft of elevation gain. Entry is limited to 150 runners and there is no race day registration.