Trail Running calendar near Sacramento 2025-2026

The Mile Madness Endurance Run is a multi-day ultrarunning event held at Sunset Whitney Recreation Area in Rocklin, California. The course features a professionally measured 1.05-mile loop, mostly on dirt trails with some paved sections, offering smooth terrain and about 62 feet of elevation gain pe..

The Granite Head will take place in Granite Bay on Saturday 11 October 2025. You can run between 6 and 11 miles.

Go Wild Marin 4 Hr is a trail and wilderness scramble event held on the Tiburon Peninsula in Corte Madera, California. Participants compete individually or in teams of up to five, using a custom map to locate as many as 24 checkpoints scattered across trails and wild areas within a four-hour time li..

The Napa Lapa Trail Adventure, held at Skyline Wilderness Park in Napa, California, is a unique time-based trail running event where participants run as far as possible within set time limits of 3, 6, or 12 hours. The course features a challenging 4.16-mile loop with approximately 815 feet of elevat..

The Euchre Bar Massacre is a challenging fatass-style trail run held near Foresthill, California, starting and finishing at Shirttail Creek Campground. It offers two distances: a 25-mile course with approximately 10,000 feet of climbing and a 50-mile course with about 20,000 feet of elevation gain...

The The John Lawson Tamalpa Challenge will take place in Santa Venetia on Sunday 12 October 2025. You can run between 4 and 4 miles.

The Champion Mine Trail Race, held in Nevada City, California, is a scenic trail running event featuring a half marathon (13.1 miles) and a 5K Fun & Fitness Run/Walk. The course offers a dynamic mix of pavement, gravel, and single-track trails, winding through towering pines and crossing a historic..

The California Gold Rush Trail Run - Fall is a scenic trail running event held entirely within the historic Marshall Gold Discovery State Historic Park in Coloma, California. Set in the picturesque foothills along the south fork of the American River, the race commemorates the site of the 1848 gold..

Willow Hills XC is an annual 5K cross country race held at Willow Hill Reservoir Community Park near Folsom High School in Folsom, California. The course features two loops of rolling hills around a water reservoir, providing a challenging and scenic terrain for runners. The event is part of the Pac..

The Diablo Summit Stomp is a trail running event held in Walnut Creek, California, featuring distances of 30K, half marathon, 10K, and 5K. The courses traverse dirt trails starting from Castle Rock Park and extend into Mount Diablo State Park, with the 30K route reaching the summit of Mount Diablo...

The California Fall Classic at Lake Sonoma, held in Healdsburg, CA, offers two challenging ultramarathon distances: 100K and 55K. Set amidst the scenic wine country during harvest season, the courses feature relentless single-track trails with stunning views of Lake Sonoma. The 100K serves as a West..

The Heart of Cool Trail Run, held in Cool, California, offers a family-friendly trail running event featuring a 5k Trail Run/Walk, 10k Run/Walk, and a Trail Half Marathon. The race takes place on scenic trails used by renowned endurance events like the Western States 100 and Way Too Cool 50k, showca..

The Napa Fall Wine Country Marathon will take place in Calistoga on Saturday 25 October 2025. You can run between 10 and 26 miles.

The Trail Run at Sly Park - Fall is a scenic trail running event held at the Sly Park Recreation Area in Pollock Pines, California, within the El Dorado National Forest. The race offers multiple distances including 5K, 10K, 8 Mile, Half Marathon, 17 Mile, Trail Marathon, and a 50K ultra. The course..

The Oakland Hills Trail Run, held at Redwood Regional Park in Oakland, California, offers three challenging distances: 10K, half marathon, and 35K. Set in a serene redwood forest with towering 150-foot coast redwoods, the course features technical dirt trails and fire roads with significant elevatio..

The Rubicon is a challenging and remote foot race held in the backcountry of the northwestern Sierra Nevada near Oxbow Reservoir, California. It offers three route options of increasing difficulty: The Requisite (15+ miles with about 6,700 feet of elevation gain), The Resonant (30+ miles, 12,700 fee..

The Rio Del Lago 100 Mile Endurance Run will take place in Granite Bay on Saturday 1 November 2025. You can run between 31 and 100 miles.

The Oakland Tech 5km Fundraiser Race and 1 Mile Fun Run/Walk takes place at Joaquin Miller Park Meadow in Oakland, California. This event features a 5K trail run and a 1-mile fun run/walk, offering participants scenic views with towering trees and a course that is both enjoyable for casual runners a..

The NorCal Backyard Ultra, held at Beals Point in Granite Bay, CA, is a challenging endurance running event featuring a 4.2-mile loop course along scenic singletrack trails and lakefront views at Folsom Lake. The main event, Last Person Standing, requires runners to complete a loop every hour until..

The Lake Chabot Trail Run, held in Castro Valley, California, offers a variety of distances including 8K, Half Marathon, 30K, Marathon, 50K, and a free Kid's Run for children six and under. The course begins at the Lake Chabot Regional Park Marina and loops around the scenic Lake Chabot reservoir an..