Trail Running calendar near Green Valley Lake 2026-2027

We have found 77 Trailruns within 80 miles of Green Valley Lake. See below where and when you can find the races.

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

Experience a scenic mountain race through the pine forests of the San Bernardino National Forest. Run alongside the lake and onto forest trails with distances including a 5k, 10k, and Half Marathon.

Explore the trails at the Riley Park Trail Races in Orange County's Thomas F. Riley Wilderness Park. With distances from a 5k to a 30k and a 6-hour event, there's a trail run for various goals. All finishers receive a shirt and a medal.

Conquer a steep 1000 foot climb at Snow Summit during this unique one mile mountain race. Enjoy high altitude views at 7000 feet elevation and a free chairlift ride back to the base.

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.

Experience an evening trail race in Griffith Park with panoramic views and live music. Join a four person relay team or tackle the solo 5K as the sun sets over the Los Angeles skyline.

This 21 mile trail run near Yucaipa is postponed from September 2026. The challenging course features over 4,300 feet of climbing on Crafton Hills terrain, with aid station support.

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.

The 11th annual Double Peak Challenge features a 10K and 5K run from San Elijo Park up to the panoramic summit of Double Peak. A Kids Trail Trot offers a sprint for younger participants. All finishers receive a medal.

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..

UTMB Index

Experience a 9.1 mile mountain race at Mt Baldy featuring nearly 4000 feet of vertical gain. High altitude trails lead participants to the 10064 foot summit for a true alpine test in the Angeles National Forest.

Experience an alpine trail race in Big Bear Lake featuring five distances through diverse mountain climates. This UTMB World Series Major offers double Running Stones and qualifying opportunities for iconic endurance races.

UTMB Index

That's No Moon Trail Races offer a rugged adventure on remote, challenging terrain in California's Santa Ana Mountains. Runners can choose from 50-mile, 50K, or 30K courses through the Cleveland National Forest. The event includes well-supp..

Run on the Cahuilla Indian Reservation in Anza, California, in support of tribal youth programs. Choose from ultra distances on a 2-mile loop or a half marathon tour of reservation roads. The event offers camping, real food aid, and a focus..

Run through the iconic rock formations of Vasquez Rocks Natural Area Park in a variety of trail distances. Challenge yourself on technical terrain including the Pacific Crest Trail and a 500 foot tunnel.

Experience scenic singletrack and natural terrain at Hahamongna Watershed Park in Pasadena with options for a trail half marathon, 10K, or 5K on Sunday, October 18, 2026. Perfect for trail runners seeking a challenging yet runnable course.