Trail Running calendar near Sacramento 2025-2026

Bear Creek is a trail running event held in Lafayette, California, featuring a half marathon, 10K, and 5K distances. The races take place on challenging courses with many hills through the scenic Briones Regional Park, offering a rewarding experience for trail runners rather than a flat, fast course..

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

The Tamalpa Headlands 50K is a challenging ultramarathon set in the stunning Marin County, California, featuring iconic trails such as Coastal, Miwok, and Dipsea. Established in 1998 and presented by the Tamalpa Runners, this single-loop race offers approximately 6,500 feet of elevation gain, combin..

The 2025 Angel Island Half Marathon and 10K, hosted by Envirosports, marks its 35th annual event on August 23, 2025, at Angel Island State Park in Belvedere Tiburon, California. Participants will enjoy a scenic loop trail that offers stunning views of the Golden Gate Bridge, San Francisco, and Alcat..

The Double Dipsea is a challenging 13.7-mile trail run that takes place annually, starting at Stinson Beach, California. First held in 1970, this race is known for its unique handicapped start format, where slower runners begin first, creating a dynamic environment of constant passing on narrow trai..

The Trail Run at Sly Park in Pollock Pines offers a variety of race distances, including 5K, 10K, 8 Mile, Half Marathon, 17 Mile, Trail Marathon, and 50K Ultra, set in the scenic Sly Park Recreation Area. The course winds through Jenkinson Lake’s trails, featuring pine forests and technical sections..

The Mammoth Bar Trail Runs, organized by Skybreaker Racing, will take place in the scenic Mammoth Bar OHV Area within the Auburn State Recreation Area, known for its challenging terrain and stunning views of the American River Canyon. Scheduled for September 7, 2025, the event features three race di..

The Diablo Trail Run, held at Diablo State Park in Clayton, California, offers a variety of scenic trail running events on September 7, 2025. Participants can choose from distances including 4 miles, 10 miles, half marathon, marathon, and 50K, with a free Kid's Run also available. The course feature..

The Berkeley Trail Adventure is a trail running event held in Berkeley, California, featuring races of 10K, half marathon, 35K, and 50K distances. Taking place in Tilden Regional Park and Wildcat Canyon, the course offers scenic views of the bay, Golden Gate Bridge, and Mt. Tamalpais, with shaded tr..

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, with awards for top finishers and age group categories.Each co..

The Rocky Ridge Trail Half Marathon is a challenging trail race held in the scenic Las Trampas Wilderness near San Ramon, California. Scheduled for September 20, 2025, the event features a half marathon, 10K, and 5K distances. Known for its tough terrain and significant hills, the half marathon is n..

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, held in Auburn, CA, offers scenic trail running experiences with three race options: 50K, 13.1 miles, and 5 miles. Participants enjoy challenging yet runnable courses through the American River Canyon, featuring single-track trails and short neighborhood sections. Aid..

The Star City San Bruno Mountain Half Marathon, organized by the Excelsior Running Club, is set for October 4, 2025. This scenic race features a challenging 13.1-mile course that is 93% on trails, with a total elevation gain of 2,400 feet, offering stunning views of the Pacific Ocean, Bay, and San F..

The Women's Headlands Half Marathon, taking place on October 4, 2025, is a scenic running event set in the stunning Marin Headlands, starting and finishing at Rodeo Beach. This annual race features a challenging half marathon distance of 12.6 miles with an elevation gain of 2,494 feet, as well as a..

The Reservoir Dogs Trail Run, taking place in Orinda, CA, offers a unique opportunity to traverse the scenic trails around Briones Reservoir, typically restricted to permit holders. Participants can choose from three distances: 10K, Half Marathon, and 35K, all featuring beautiful rolling hills and d..

The Auburn Half Marathon, held in Auburn, California—known as the Endurance Capital of the World™—offers trail running on the scenic Western States Trail. The event features a half marathon, 12K, and 5K distances, all starting at Overlook Park and winding through Auburn State Recreation Area, includ..

The Yuba Gold Trail Runs is a scenic running event held near Nevada City, California, featuring multiple race distances including 50K, 35K, and a half marathon. Participants enjoy stunning views of the South Fork Yuba River and historic sites like Malakoff Diggins. The event takes place at Malakoff..

The Mile Madness Endurance Run will take place in Rocklin from Friday 10 October 2025 to Monday 13 October 2025. You can run between 6 and 72 hours.

Granite Head 2025 is an exciting trail running event taking place in Granite Bay, California. Participants can choose between two challenging courses: a 6.6-mile short course and an 11.2-mile long course. Each runner will receive a unique tech shirt and can enjoy post-race festivities, including com..