Trail Running calendar near Foothill Ranch 2025-2026

Race the 10K Spartan Trail at Big Bear on May 17, 2026, across technical singletrack in high altitude pine forest with sweeping Southern Sierra views. The weekend includes Spartan obstacle races and a GOVX service member discount.

Nanny Goat is a Memorial Day weekend multi distance ultrarun at a Riverside horse ranch where you run timed laps on a flat 1 mile loop. Camping, family friendly amenities and medals for every runner who completes at least one lap.

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.

Join Forever Brave in Valencia, CA on Sunday May 24, 2026 for road and trail fun with distances from 5k to half marathon. Scenic out and back loops, on course aid, finisher medals and free photos make it a great race day for all paces.

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.

Tackle 50 miles of single track on the Pacific Crest Trail through Cleveland National Forest, featuring rocky terrain and 7,500 feet of climbing. The 44th PCT 50 on June 6, 2026 rewards grit with big views and full aid stations.

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 at Griffith Park for a scenic road and dirt trail run with 5k, 10k, 15k and half marathon options on June 13, 2026. Enjoy marked loops, on course aid, custom finisher medals, free photos and convenient parking.

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.

Tackle scenic, technical single track on Black Mountain in San Diego at the Black Mountain Trail Races on June 20, 2026, with 50K, 25K, and half marathon options. Expect rugged chaparral terrain, big views, and supportive aid stations.

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.

Run under a full moon on the scenic Elder Creek Night Runs near Anza, California, with a 4.6 mile loop through manzanita, rock formations and Cahuilla Mountain views. Limited to 200 runners, multiple loop distances from 9 miles to 50K.

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.

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.