Trail Running calendar near Pasadena 2025-2026

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.

Run scenic mountain trails in the Angeles National Forest near Palmdale with 50k and half marathon options. Expect technical singletrack, big elevation and full race services including finisher medals, aid stations and finish line tacos.

Explore canyons and coastal ridgelines at the Malibu Canyon Trail Races in Point Mugu State Park, with distances from a half marathon up to 100K. Tackle challenging trails and views in Malibu with registration opening December 1, 2025.

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.

Take on the scenic Griffith Park trails with a team marathon relay or an individual 8K in Los Angeles on June 7, 2026. Enjoy live DJs, food trucks and a finisher shirt and medal at this Runner's World recommended event.

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.

Tough Topanga is a scenic trail run at Topanga State Park offering 10k, 15k and a kids 1k. Finishers get a local medal and tee, post race tacos and a beer garden plus cash prizes with proceeds benefiting LA Fire Station 69.

Take on the Mt. Baldy 5000, a scenic, mostly uphill mountain 5K at Mt Baldy Resort that tests your legs and rewards you with great views. Celebrate at the Top of the Notch with BBQ, live music and a relaxing chairlift ride back.

Run the Harding Hustle in Cleveland National Forest near Modjeska Canyon on July 18, 2026. Choose 15K, 30K or challenging 50K along scenic truck and forest roads with aid stations and a cupless, low support wilderness vibe.

Tough Mugu is a scenic trail run in Point Mugu State Park, Malibu with 25k and 10k courses featuring coastal ridges, single track and Channel Islands views. Expect chip timing, finisher medals, race shirts and cash prizes.

Hot to Trot at Griffith Park Crystal Springs in Los Angeles offers 5k, 10k, 15k and half marathon looped courses for runners and walkers, with stroller friendly routes and support for pacers and crews. Finishers get a custom medal, free pho..

Hit the trails for a lively 6k or 12k at the SoCal Summer Friday night run in Lower Arroyo Park, Pasadena on July 24, 2026. Stick around for tacos and drinks after the race; spots are limited so register soon.

Run a 5K, 10K or Half Marathon around scenic Green Valley Lake, tackling a lake loop and a challenging climb to forest viewpoints on mixed paved and dirt roads. Enjoy post race festivities while supporting The Children’s Forest.

Riley Park Trail Races on August 1, 2026 at Thomas F Riley Wilderness Park feature a 3.3 mile loop with distances from 5k to 30k plus a 6 hour challenge. Every finisher receives a race shirt and medal and the course welcomes all paces.

Experience the Bulldog Ultra at Malibu Creek State Park on August 15, 2026, with scenic single track and big climbs through the Santa Monica Mountains. Pick new 3 loop 75k, a 50k or 25k, with aid stations, prize money plus food and beer.

Race the Los Angeles Sunset Trail Relay in Griffith Park with team relays, a 5K and kids run on scenic trails that showcase views of the LA River and Glendale. Enjoy live music, medals, finisher snacks and a festive finish line atmosphere.

Run the Ascot Hills Challenge 5K on scenic trails above East Los Angeles with sweeping views of Dodger Stadium and the Hollywood sign. Proceeds benefit Wilson High School fire and police cadet programs and help preserve Ascot Hills Park.

The Angeles Crest 100 is a classic 100 mile point to point mountain ultramarathon across the San Gabriel Mountains with over 21,000 feet of climbing. Held Oct 3, 2026 from Wrightwood to Altadena, entry is by lottery.

Test your limits at SPACEROCK in Vasquez Rocks on October 17, 2026 with looped trail options from 5K to a Half Marathon+ just under 14 miles and 3,200 feet of climbing. Expect rocky single track, a 500 foot Black Hole tunnel and cupless aid..