Trail Running calendar near Roseville 2026-2027

Experience an obstacle course weekend at Woodward Reservoir Regional Park near San Jose. Choose from distances ranging from a 5k Sprint to a 50k Ultra on a flat course designed for personal performance.

Experience the scenic beauty of Mount Diablo with trail races ranging from 5K to 50K. Support local land preservation while enjoying a professional event featuring a post race BBQ in Walnut Creek.

Experience one of the largest 50 mile endurance runs in the United States. Choose between 10, 25, or 50 mile distances through scenic Northern California finishing with celebratory festivities in Auburn.

The Sludge Trudge 5K is a paved run/walk at North Natomas Regional Park. It's a sanctioned event with professional timing and awards for top finishers. The event is hosted for a specific community group and their guests.

A women focused 10K in Auburn on April 11, 2026 featuring scenic trail loops, finisher shirts, age group awards and a raffle with four winners earning a trip to a women only running camp in Spain.

Explore the rolling hills of Cronan Ranch at the Magnolia Magic River Trail Run. This event offers a range of distances on dirt and rock trails, from a 5K to a 50K ultra. All participants receive a medal and access to aid stations along the..

Outlands Endurance Races in Pilot Hill California offer 25K, 50K and 50 mile out and back trail courses around Folsom Lake. Courses use runnable single track and double wide trails with stocked aid stations and time based cutoffs.

Experience a scenic 14.5 mile trail run along the Bullards Bar Reservoir in Camptonville. This fundraiser for the Wildland Firefighter Foundation features single track trails and support from the local fire community.

Join the community at Feeney Park for the Mr Frogs Wild Run in Murphys California. Choose between a children's fun run plus five or ten kilometer courses featuring scenic neighborhood loops and a festive medal ceremony.

A multi distance trail event in Auburn California from 23 to 26 April 2026 following sections of the Western States Trail. Distances include 161 km, 100 km, 50 km and 25 km and the 100 km awards Western States Golden Tickets.

Trail races inside Marshall Gold Discovery State Historic Park range from a Kids Run to a half marathon on varied singletrack and paved sections, with marked courses, aid stations, and notable elevation gains.

Experience a rugged trail race through the Sierra Nevada foothills featuring technical single tracks and fire roads. Choose between three distances and take on the steep ascent of El Guapo before celebrating at the finish line fiesta.

A lakeside out-and-back trail race at Browns Ravine Marina on May 2, 2026, offering 10K, half marathon, 35K and 50K distances with stocked aid stations and a 500 runner capacity.

Run through the historic Beauty Ranch at Jack London State Historic Park. This inaugural trail event features a half marathon and five mile course amongst the vineyards and forested slopes of Sonoma Mountain.

A trail running event on May 3, 2026, at Pacific Union College in Angwin, CA offering a 26K, a 10K, and a 1 Mile Kids Run, with a cupless policy and proceeds supporting PUC Athletics.

A 13.1-mile point-to-point half marathon on May 9, 2026 through Napa Valley vineyard roads, finishing in Yountville with a Wine Village featuring local wine, food, music, and winery-hosted aid stations.

A spring trail race in Cool, California with two single-track distances of 5.8 and 10.3 miles, varied terrain and a creek crossing. The event is limited to 600 participants and includes packet pickup, a tech shirt, and a finisher medal.

Trail Run at Sly Park in Pollock Pines offers multiple trail distances around Jenkinson Lake through pine forest and equestrian routes, with marked courses, aid stations, and commemorative medals for finishers.

Multiple trail distances through Skyline Wilderness Park in Napa, featuring Rim Rock climbs and valley views, touchless aid stations, and a cupless policy that requires runners to carry their own hydration.

The inaugural Rim Rock 50 Mile Trail Challenge explores Napa's wild trails. Runners will tackle a two-loop course through Skyline Park and the new Suscol Headwaters. This cupless event offers a 50-mile solo or relay option with a 13-hour cu..