Trail Running Calendar California 2024-2025

We have found 233 Trailruns in California. Check below where and when you can find the races.

The Griffith Park Trail Marathon Relay & 8K is a premier running event in Los Angeles, celebrating its 10th anniversary. This exciting occasion invites participants to challenge themselves on scenic trails while enjoying the camaraderie of friends and fellow runners. The event features a mix of solo..

The Tahoe 200 is a challenging endurance run that circumnavigates Lake Tahoe, the largest alpine lake in North America. As part of the prestigious Triple Crown of 200-mile races, it features a stunning route along the Tahoe Rim Trail, showcasing breathtaking views, aspen meadows, and diverse landsca..

The Holcomb Valley Trail Run, taking place on June 14, 2025, in Big Bear Lake, CA, offers participants a choice of three distances: 33 miles, 14 miles, or 7 miles. The event showcases the scenic Pacific Crest Trail and aims to promote local trail running while supporting the volunteer search and res..

The Cool Moon Trail Races, taking place on June 14-15, 2025, in Cool, California, offers a variety of race distances including 100K, 50-mile, 25-mile, 13.5-mile, 11.5-mile, and 5K. The course features scenic loops with a mix of single track and fire roads, showcasing the beautiful Northern Californi..

The Cool Moon 100 Mile Endurance Run is a challenging ultramarathon set in the scenic landscapes of Northern California. Scheduled for June 14, 2025, this event features a unique course comprising two loops: a 13.5-mile North loop and an 11.5-mile South loop, totaling 100 miles. Runners have a gener..

The Broken Arrow Skyrace is California's inaugural skyrunning event, taking place at Squaw Valley and presented by Salomon. This exciting race features multiple distances, including 46K, 23K, 18K, 11K, and an Ascent, catering to various skill levels. The event also includes unique challenges like th..

The Broken Arrow Skyrace, presented by Salomon, is California's inaugural skyrunning event, taking place from June 19-22, 2025, at Palisades Tahoe. This three-day festival features nine race distances, including a 46k, 23k, 18k, 11k, and a kids' race, showcasing the stunning landscapes of Lake Tahoe..

The Orange Curtain Endurance Run features a variety of race distances, including 100K, 50K, 30K, and 10K, taking place along a scenic out-and-back course on the bike path adjacent to the San Gabriel River in California. This event is designed for runners of all levels, making it an excellent choice ..

The Burney Mountain 100 is a challenging 100-mile endurance run set in Northern California's stunning Lassen National Forest and Thousand Lakes Wilderness. This scenic race features a looped course starting and finishing at Burney Mountain Guest Ranch, with a total elevation gain of 15,000 feet. Run..

The Angel Island Half Marathon is a unique running event taking place at Ayala Cove in Angel Island State Park, Marin County, CA. Scheduled for June 21, 2025, participants can choose between a half marathon and a 5-mile race, both of which include ferry transportation. The event offers stunning 360-..

Bizz Johnson's Southside Scramble is an exciting trail race set in the picturesque Susan River Canyon. Participants can choose from three distances: a 22K, 14K, or 7K, all starting and ending at the Hobo Camp Day Use Area. The race features a scenic course that includes the Bizz Johnson Trail and th..

The Golden State Trail Run, hosted by Inside Trail Racing, is a premier summer event taking place at Fort Ord National Monument in Marina, CA, on June 21, 2025. Participants can choose from four distances: 10K, Half Marathon, 35K, and 50K, each featuring unique trails that showcase the area's divers..

Headwaters Trail Runs is a scenic trail running event held in the Klamath Mountains near Mount Shasta, California. Participants can choose from three distances: 56K, 31K, and 10K, each featuring beautiful mountainous terrain and single-track trails. The longer races include significant elevation gai..

The Black Mountain Trail Races, set in San Diego, CA, offers a thrilling experience for runners of all levels with three race distances: 50K, 25K, and half marathon. Participants navigate the scenic and challenging trails of the historic Black Mountain, an area rich in natural beauty and wildlife. T..

The Red Rock Rumble is an exciting running event taking place in Topanga, CA, featuring a challenging 10k course through the stunning Red Rock Canyon. Participants can also enjoy a non-timed Hiker's Delight and races for kids aged 10 and under, as well as those aged 11-16. The event includes handcra..

The Western States 100 Endurance Run is a prestigious ultramarathon that covers 100 miles along the historic Western States Trail, stretching from Olympic Valley, California, to Auburn. This challenging race features significant elevation changes, including a climb of 2,550 feet in the first four mi..

The Whiting Ranch Trail Races, scheduled for June 28, 2025, in Trabuco Canyon, CA, features three race distances: a 10K, a half marathon, and a 30K. Participants will enjoy scenic trails in the foothills of the Santa Ana Mountains, with well-marked routes and ample support throughout the event. The ..

The Burton Creek Trail Run is an exciting running event held in the scenic Burton Creek State Park near Tahoe City, California. Participants can choose from three race distances: a 6K, 12K, or a Half Marathon, all featuring beautiful single-track trails through pine forests and meadows. The event em..

July 2025

The Bay 2 Bankers 10K is a unique running event taking place in San Francisco, featuring a mystery theme that celebrates the city's classic vibes. Participants will start near the Ferry Building and navigate through iconic neighborhoods using a custom map, answering multiple-choice questions at vari..

Burney Basin Days is an exciting sports event held in Burney, California, featuring a variety of races including a 10K, a 5K, and a unique burro race. This community-focused event celebrates local culture and encourages participation from runners of all skill levels. Participants can register online..