Trail Running calendar near Fallbrook 2026-2027

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

Run the scenic Holcomb Valley Trail Run around Big Bear Lake on courses of 33, 14, or 7 miles along the Pacific Crest Trail. Enjoy rugged mountain views while supporting local volunteer search and rescue.

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.

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.

A trail race in San Diego on June 20, 2026 offering 50K, 25K, and half marathon routes across volcanic terrain, technical single-track, and diverse coastal scrub habitat.

A family-friendly 5K and 1K kids run in Yorba Linda that commemorates Title IX, follows the El Cajon Trail, welcomes strollers and dogs, and includes a vendor fair and finisher medals.

July 2026

The Mt. Baldy 5000 is a scenic mountain 5K that climbs almost entirely uphill to a sunset finish with sweeping mountain views and spectator friendly sections. Post race BBQ, live music and a chairlift ride cap the evening.

Harding Hustle on July 18, 2026 is a trail event in the Santa Ana Mountains offering 50K, 30K and 15K on the Harding Truck Trail with large elevation gain, staffed aid stations and mandatory shuttle logistics.

Hit Griffith Park for Hot to Trot on July 18, 2026, and choose a distance from 5k to half marathon on scenic dirt trails. Enjoy aid stations, a finisher medal, photos and postrace snacks as you tackle shared trails under the LA sun.

Night trail running under a full moon on Cahuilla Band land near Anza, California, with scenic single track, rocky views, and manzanita lined loops. Choose distances up to 50K on a looped course with limited entries for an intimate race.

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

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.

A looped trail event in Thomas F. Riley Wilderness Park offering distances from 5k to 30k and a six hour challenge. Registration opens February 1, 2026, and every finisher receives a shirt and medal.

A free community festival by UltraSignup in Los Angeles featuring a group trail run with 5K and 10K options, an expo with vendors, food, and a raffle. The event is held at A Snail's Pace Running Shop in Chino Hills.

September 2026

Run scenic and rugged trails in Noble Canyon with 50K or 15K options around Pine Valley, California. Technical climbs, fast descents and canyon views come with aid stations, race photos and great volunteer support.

A mountain trail race in the Angeles National Forest that climbs from about 6,000 feet to the 10,064 foot summit over roughly seven miles. The event includes aid stations, a race shirt, professional timing and awards.

Run into sunset at Griffith Park with the Los Angeles Sunset Trail Relay 5K and Kid Run. Team up for a 10 mile relay, race a solo 5K or bring the kids, and enjoy scenic trails, live music, food trucks and finisher medals.

Tackle scenic trails and city views at the Ascot Hills Challenge 5K in Los Angeles, with an in person chip timed race and virtual option for remote runners. Proceeds support local schools and park restoration, making every mile count.

A mountain trail race near Mount Wilson in the Angeles National Forest on Sep 26, 2026. Options include a **25K** with about 3,800 ft climb and a **50K** with about 7,000 ft, on singletrack, fire roads and ridge trails.

October 2026

Tackle the legendary Angeles Crest 100 mile endurance run through the San Gabriel Mountains, a classic point to point ultramarathon. Expect big climbs, high alpine ridges and epic views on October 3, 2026.

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