Trail Running calendar near Castaic 2026-2027

We have found 78 Trailruns within 80 miles of Castaic. See below where and when you can find the races.

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.

July 2026

The Mt. Baldy 5000 is a tough, scenic 5K uphill run at Mt. Baldy Resort. After finishing at the Top of the Notch, runners can enjoy a BBQ dinner and drinks before a chairlift ride back down. It's billed as a unique summer mountain party.

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.

The Harding Hustle offers 50K, 30K, and 15K trail races on the Harding Truck Trail in Orange County's Santa Ana Mountains. This cupless event features challenging climbs, descents, and is known for its heat. Parking is not allowed at the st..

Tough Mugu The Tough Mugu is a trail running event offering two distances: a 25 km trail and a 10 km trail. It is part of the Bulldog Challenge Series of races. The event is located at La Jolla Canyon in Point Mugu State Park, Malibu, Calif..

Join a community run through the dirt trails of Griffith Park in Los Angeles. Choose between 5k, 10k, 15k, or half marathon distances and enjoy a relaxed racing environment with finisher medals and free photos.

Join this summer running event at Whittier Narrows Recreation Area featuring 5k, 10k, 15k, and Half Marathon distances. Enjoy a scenic loop course with finisher medals and snacks included for all participants.

Join the SoCal Summer evening 6K or 12K at Lower Arroyo Park in Pasadena on July 31 2026 and celebrate after with tacos and drinks. Scenic park routes and friendly vibes make this a perfect summer night run.

August 2026

Tackle the classic trails of the Santa Monica Mountains at the Bulldog Ultra. Choose from the challenging 75k, the historic 50k, or the 25k, all offering epic views. The event features a competitive prize purse, fully stocked aid stations,..

A 5k trail run at Red Rock Wilderness near Silverado, CA featuring fire roads and single track, 300 feet of climbing, one aid station, a cupless policy, and no pets allowed.

Join this free community trail running festival in Los Angeles featuring social runs, a regional race expo, and prize raffles. Connect with local race directors and clubs while enjoying a 5k or 10k urban dirt trail run.

September 2026

Experience an intense trail race through the Angeles National Forest to the summit of Mt Baldy. This historic mountain run climbs over 4000 feet to reach a finish line at an altitude of 10064 feet.

Run into the sunset at Griffith Park. Choose from a 10-mile team relay, a scenic 5K solo race, or a kids' run. The event promises marked trails, panoramic city views, and a lively finish line atmosphere.

Experience a sunset run through the red sandstone cliffs of Topanga California. Choose between a timed 10k trail race or a non-competitive 4.5 mile hike featuring a post race beer garden and vegan tacos.

This trail 5K takes place at Ascot Hills Park with views of the Hollywood Sign and Dodger Stadium. The chip-timed event benefits a local high school cadet program. A virtual race option is also available.

Traverse technical single track through the Angeles National Forest on this historic mountain race. Choose between 25K and 50K distances starting from the iconic summit of Mount Wilson.

Bandit Ultra Trail offers three scenic distances through the mountains and canyons of Simi Valley, starting at the historic Corriganville Park. The 50K route features several aid stations with specific cut-off times. A portion of proceeds s..

A seaside themed run in Long Beach offering 5K, 10K, half marathon and family distances with chip timing, free race photos, finish line pizza and a costume contest.

October 2026

This historic point-to-point 100-mile race traverses the San Gabriel Mountains from Wrightwood to Altadena. With steep climbs and rocky trails, it's a classic, challenging endurance run. Entry is by lottery, and finishers earn a unique plaq..

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