Trail Running calendar near Fair Oaks 2025-2026

The American River 50 Mile Endurance Run is one of the largest and most prestigious 50-mile races in the United States, attracting both seasoned runners and newcomers. Set against the stunning backdrop of Northern California, the race follows the American River Parkway from Folsom to Auburn. Partici..

The Diablo Trails Challenge is an exciting running event taking place on Mount Diablo, featuring a variety of distances including a 50K, half marathon, 10K, and 5K. Scheduled for April 5, 2025, this challenge caters to runners of all experience levels, from beginners to seasoned ultra-runners. A por..

The Annadel Half Marathon, along with its 10K and 5K events, is a prominent non-profit fundraising race held in Sonoma County. Over the past 14 years, it has successfully raised funds to enhance the beauty of Annadel State Park. The challenging Half Marathon course features over 1,500 feet of elevat..

The California Gold Rush Trail Run - Spring is an exciting running event taking place in the scenic Marshall Gold Discovery State Historic Park in Coloma, CA. Participants can choose from various distances, including a Half Marathon, 15K, 10K, 5K, Mile, and a Kids Run. The courses feature a mix of s..

The SPASM Lake Chabot Trail Run is a multi-distance running event taking place at Lake Chabot Regional Park in Castro Valley, California. Scheduled for April 12, 2025, the event features various race options including an 8K, Half Marathon, 30K, Marathon, and 50K, along with a free Kid's Run for chil..

The Outlands Endurance Race, scheduled for April 12, 2025, at Peninsula Campground in Pilot Hill, CA, offers runners a chance to experience the stunning trails around Folsom Lake. Participants can choose between two challenging distances: a 50K and a 50-mile race. The event emphasizes endurance and..

The Napa Valley Endurance Run is a premier trail ultra event held in Calistoga, California, featuring four challenging races: 50K, 35K, half marathon, and 10K. Participants traverse scenic routes through Robert Louis Stevenson State Park and ascend to the top of Mt. St.Helena, with the 50K often reg..

The Badger Cove Half Marathon, along with 10K and 5K events, will take place on April 19, 2025, at Del Valle Regional Park in Livermore, California. This race, part of the Brazen Racing Ultra Half Series, offers participants a scenic run through the emerald hills of Lake Del Valle. All runners will..

The Canyons Endurance Runs by UTMB® is a premier trail running event held in Auburn, California, known as the "Endurance Capital of the World™." Scheduled for April 25-26, 2025, the event features multiple race distances, including a new 100-mile course, alongside 100km, 50km, and 25km options. Part..

The Hotshot Half is a scenic 14.5-mile trail run taking place in Camptonville, CA, along the beautiful Bullards Bar Reservoir. Organized by the Tahoe Hotshots, this event serves as a fundraiser in memory of fallen firefighter Mike Kelly. The course features 95% single track and includes three fully..

The Brown's Ravine Half & Full Marathon is an exciting running event taking place in Folsom, California, on April 26, 2025. The race features a scenic course that is 95% single track and 5% dirt road, running alongside the picturesque Folsom Lake. Participants can choose between a half marathon, whi..

The 2025 Animal Run features a 10k race, along with a 5k, Canicross, and a 2-mile walk, all taking place at 900 Dornan Drive, Richmond, CA. This event serves as a fundraiser for Rancho Compasión, promoting a community of athletes dedicated to animal kindness and environmental awareness. Participants..

The Folsom Lake Trail Run, scheduled for May 3, 2025, at Browns Ravine Marina in Folsom, CA, offers a scenic experience for runners of all levels. Participants can choose from four distances: 10K, Half Marathon, 35K, and 50K, all set along the picturesque lakeside trails. The course features an out-..

The Red Hills Ramble is an exciting trail running event set in the stunning Sierra Nevada foothills of Tuolumne, California. Participants can choose from various distances, including 10K, 15K, and 30K, as well as a virtual option for any distance. The race features challenging terrain with technical..

The Angwin to Angwish Trail Run is a scenic running event set in the beautiful Napa Valley, specifically at Pacific Union College. Scheduled for May 4, 2025, the event features three race distances: a 1 Mile Kids Run, a 10K, and a challenging 26K course. This family-friendly event encourages partici..

The Trail Run at Sly Park - Spring is an exciting running event taking place at the Sly Park Recreation Area in Pollock Pines, California. Participants can choose from various distances, including a 50K, Trail Marathon, 17 Miler, Half Marathon, 8 Miler, 10K, and 5K, allowing runners of all levels to..

The Grizzly Peak Trail Run is an exciting running event taking place at Lake Anza in Tilden Regional Park, Berkeley, CA. Scheduled for May 10, 2025, it features multiple race distances including a 10K, Half Marathon, 30K, Marathon, and 50K, along with a free Kid's Run for children aged 6 and under...

The Dirty Secret Trail Run, taking place in Cool, California, offers an exciting experience for both novice and experienced trail runners. Participants can choose between two scenic courses: a 5.8-mile short course and a 10.3-mile long course, featuring challenging terrain with twists, turns, and ob..

Nitro Trail 2025 is an exciting running event taking place at Point Pinole Regional Shoreline Park in San Pablo, California. Participants can choose from three race distances: a half marathon, 10K, and 5K, making it suitable for runners of all levels. The event celebrates the park's transformation f..

The Napa Wilderness Trail Runs, organized by Bay Trailrunners, takes place at Skyline Wilderness Park in Napa, California. This event caters to all levels of trail runners, offering a variety of distances including a 40-mile ultra marathon, 50K, 30K, half marathon, and 10K. The courses feature sceni..