Trail Running calendar near Rio Linda 2024-2025

The Dirty Dozen Run, organized by Brazen Racing, is a unique endurance event taking place at Point Pinole Regional Shoreline. Scheduled for July 12, 2025, participants can choose to run for 12, 6, or 3 hours, either solo or in teams of two or three. The race features a scenic 3.37-mile loop primaril..

The Lost Sierra Endurance Race invites participants to conquer the Sierra Buttes in Downieville, California, on July 26, 2025. Runners can choose from three challenging distances: 100K, 50K, and 25K, each offering a unique experience through the stunning Sierra Nevada landscape. The 100K race featur..

Mountain Tiger Donner Summit is an exciting 11.5-mile point-to-point mountain trail race set in the stunning Donner Summit area of Tahoe, California. The event features a challenging course that includes four summits, technical trails, and smooth fire roads, with a total elevation gain of 3,290 feet..

The Folsom 100 is an exhilarating 100-mile ultramarathon that takes place around Folsom Lake, California. Scheduled for August 1, 2025, this challenging race features a point-to-point course with a single out-and-back section. Participants have 34 hours to complete the loop, which includes stunning ..

The Skyline 50K Endurance Run is one of the oldest continuously running 50K races in the United States, taking place annually in August at Lake Chabot Marina in Castro Valley, California. This event is designed for both first-time ultrarunners and seasoned veterans, featuring a scenic course that lo..

Bear Creek Run is a trail running event taking place in Lafayette, California, featuring a Half Marathon, 10K, and 5K on August 9, 2025. The courses are known for their challenging hills, offering participants a scenic experience through Briones Regional Park. Hikers and walkers are welcome, making ..

The Redwood (Summer) Trail Run is an exciting running event taking place in Oakland, CA, featuring a variety of distances including a 5-mile run, Half Marathon, 30K, Marathon, and 50K, along with a free Kid's Run for children aged 6 and younger. The course winds through the scenic Redwood Regional P..

The Diablo Trail Run, set for September 7, 2025, in Clayton, California, offers a variety of race distances including 4 miles, 10 miles, a half marathon, a marathon, and a 50K, along with a free Kid's Run for children aged 6 and under. The event takes place in the scenic Mount Diablo State Park, fea..

The Rocky Ridge Trail Half Marathon is set to take place on September 20, 2025, in the scenic Las Trampas Wilderness of San Ramon, California. This challenging event features a half marathon, along with 10K and 5K options, catering to various skill levels. The half marathon is known for its rugged t..

The Gold Rush Growler Trail Runs feature a 10-mile and a 5K race, taking place at Granite Beach, Folsom Lake SRA. Participants can enjoy scenic courses along the shoreline and single-track trails. The event includes new courses for 2025, post-race IPA beer, and custom finisher beer glasses.Awards ar..

The Dick Collins Firetrails will take place in Castro Valley from Saturday 27 September 2025 to Sunday 28 September 2025. You can run between 42 and 100 kilometers.

The Sunset & Cider Trail Races, taking place on September 27, 2025, in Auburn, CA, offers an exciting trail running experience in the picturesque American River Canyon. Participants can choose from three race distances: a challenging 50K, a scenic 13-mile half marathon, or a 5-mile run, catering to ..

The Auburn Half Marathon, set for October 4, 2025, takes place in the scenic Endurance Capital of the World, starting at Overlook Park in Auburn, California. Participants can choose from three race distances: a half marathon, a 12K, and a 5K, with the half marathon course featuring over half of its ..

The Kokanee Trail Runs is a popular annual running event held in the scenic Lake Tahoe Basin, featuring a Half Marathon, 5K, 10K, and a non-competitive Tadpole Trot for children. Participants can enjoy breathtaking views along the courses, with the Half Marathon offering stunning vistas of Lake Taho..

The Mile Madness Endurance Run is an exciting endurance event scheduled for October 10-13, 2025, at the Sunset Whitney Recreation Area in Rocklin, California. Participants can choose from various timed races, including 6-hour, 12-hour, 24-hour, 48-hour, and 72-hour events, all set on a scenic 1.05-m..

The Oakland Tech 5km Fundraiser Race and 1 Mile Fun Run/Walk is an exciting event taking place at Joaquin Miller Park, aimed at supporting the Oakland Tech Cross Country and Track Team. Participants can choose between a challenging 5K trail run or a more leisurely 1-mile fun run/walk, both set again..