California
California Trail Running Calendar 2026-2027
Explore the best trail runs in California for 2026-2027! Our updated list features 389 exciting trail runs across the region. Find your next trail run in California below and join the trail community at these great events!
May 2027
Trail races of 10K, half marathon, and marathon at Toro Park, Salinas on May 30, 2027, over rocky trails and dirt roads with summer temperatures around 16ºC and an average altitude of 520 meters.
June 2027
Trail runs of 31.1 miles and 12.4 miles through Sierra National Forest, with spaced aid stations, onsite pre-race lodging and dinner, and no pets on course or campus.
A trail running event in Malibu Canyon on June 5, 2027 offering distances from a half marathon to 100K on singletrack and fire road in the Santa Monica Mountains.
A vineyard trail run at Orfila Winery with 3, 6 and 9 mile routes on packed dirt and wine tastings for runners over 21.
Trail races from 50 yards to 50K through redwood forests in Joaquin Miller and Redwood Regional parks, finishing on the technical Cinderella trail.
Trail marathon relay and 8K in Griffith Park on June 6, 2027, featuring a true loop course, aid stations, festival atmosphere, chip timing and awards.
A paved out-and-back along the Truckee River Trail in Olympic Valley with Half Marathon, 8 Miler, and 5K options, aid stations, finisher medals, event shirts, and beer for those 21 and older.
Experience a 100 mile point to point journey through the East Bay with 18,000 feet of vertical gain and breathtaking views from the Golden Gate to Mt. Diablo.
A cupless trail loop in the lower Susan River Canyon with 22K, 14K and 7K options, aid stations, and finisher towel and medal.
Historic trail race from Mill Valley to Stinson Beach covering 7.4 miles each June, with staggered handicap starts and a field limited to about 1,500 runners.
Experience a 100 mile loop through the volcanic landscapes of Lassen National Forest and the Thousand Lakes Wilderness in Northern California.
Trail races at Topanga State Park with 10 km, returning 15 km Garapito route, a junior 1 km, cash prizes, medals, postrace food and shuttles.
Trail races of 52k, 34k and 10k near Mount Shasta, CA, on single-track trails and Lake Siskiyou with notable elevation gain.
A 200.4 mile loop around Lake Tahoe via the Tahoe Rim Trail with significant elevation gain, staffed aid stations including sleep stations, and a 105 hour cutoff.
Robie Point hosts a one-mile relay with Solo, Duo, and four-person teams plus a multiweek 100 mile challenge, awards, tracking, and trail-side vendors.
July 2027
Trail run on July 2, 2027, using part of the Great Shasta Rail Trail with 5K, 10K and a burro race near Burney, CA.
An extreme ironing half marathon in Auburn, CA where participants run part of the Western States Trail and iron shirts at designated local sites.
Trail races in Santa Cruz through ancient coastal redwoods, meadows and ridges, with distances from a kids 0.25 mile run up to 50K.