Trail Running calendar near Oakdale 2026-2027

Explore the trails of Salmon Falls Ranch in the Gold Country foothills. Choose between a challenging half marathon or a 10K on a course featuring single-track, creek crossings, and views. The event supports the American River Conservancy's..

Celebrate Halloween with a trail race through San Jose Hellyer County Park. Choose from distances including 5K 10K Half Marathon and Marathon with costume prizes and certified courses.

Support student programs and the Oakland Tech Cross Country team at Joaquin Miller Park. Choose between a five kilometer trail race or a one mile fun run through the redwood trees.

Event Details The Rio Del Lago 100 Mile Endurance Run is a trail race held on Saturday, November 7, 2026, starting at Beal's Point in Folsom Lake State Recreation Area, within the Sierra Foothills of California. Course Information The 100-m..

Experience a scenic trail run around the Lake Chabot reservoir and hills. With distances from a 50 yard kids dash to a 50K ultramarathon there is an option for everyone at this Castro Valley event.

Experience a flat and fast trail race through the scenic Quarry Lakes Regional Recreation Area in Fremont. Choose from a USATF certified half marathon, 10K, or 5K while enjoying views along the Alameda Creek Trail.

Celebrate Thanksgiving at Hellyer County Park with a trail race along Coyote Creek. Choose from a USATF certified half marathon, 10K, or 5K while competing for a chance to win a turkey.

Join a mostly flat and fast half marathon, 10K, or 5K in Fremont. Support the local food bank and earn a special connector medal by completing the Double Turkey Challenge over Thanksgiving weekend.

The Calero Trail Run (Winter) takes place on the trails of Calero County Park in San Jose. Runners can choose from a wide range of distances, from a 1-mile run to a 50K ultramarathon. The courses feature hills, single-track, and panoramic v..

Run through the redwoods and pines of Sanborn County Park. Choose from a half marathon, 10K, or 5K on scenic single-track trails. Walkers are welcome and all finishers get a medal.

Celebrate the final day of the year with a trail run at Lake Chabot in Castro Valley. Choose between half marathon, 10K, and 5K distances with options for runners and hikers alike.

Celebrate the first day of 2027 by running or hiking along the scenic trails of Lake Chabot. Choose between a half marathon, 10K, or 5K while supporting the East Bay Regional Parks Campership Program.

Join a community run and walk along the scenic trails of the Tuolumne River Regional Parkway in Modesto. Support the Sole Support Sponsorship Program while completing a 5K course alongside friends and family.

Experience a scenic run or walk through Fremont with minimal climbing. Choose from 5K, 10K, or Half Marathon distances featuring diverse terrain from wood boardwalks to dirt paths along the bay.

Experience a winter run through the technical terrain of the Red Hills Recreation Area in the Sierra Foothills. Choose between six or twelve mile distances featuring water crossings and muddy trails in a scenic natural environment.

Experience a flat and fast bayside run at the San Leandro Marina Park with scenic views of the San Francisco Bay. Choose between Half Marathon, 10K, and 5K distances on a course perfect for setting personal records.

Experience the diverse trails of Auburn California with a selection of four race distances. Choose between 50k 35k 13.4 miles or 13k and enjoy an efficient digital registration process on race day.