Bay Breeze - San Leandro

The SPASM Crystal Springs Trail Run takes place in Woodside, California, at Huddart Park, offering runners a scenic experience through towering redwoods, lush ferns, and trails in Huddart Park, King's Mountain, and Bear Gulch. The event features multiple distances: 8K, Half Marathon, 35K, Marathon,..

The Stevens Creek Striders Reservoir Run, held in Cupertino, California, offers a scenic trail running experience with distances of a half marathon (13.2 miles), 11K, and a 2.5-mile Lollipop Loop charity run/walk. The course features shaded single-track trails and open ridge vistas, with challenging..

The Diablo Trail Run takes place at Mount Diablo State Park, Mitchell Canyon Trailhead in Clayton, California. It offers distances of 4 miles, 10 miles, half marathon, marathon, 50K, and a Kids Run. The course ranges from a 4‑mile flat section to mountainous, scenic routes for longer distances, with..

Garin Park XC Challenge 2025, held at Garin/Dry Creek Pioneer Regional Parks on Garin Avenue in Hayward, California, is a 5K cross-country race described as a tough yet scenic run along the Garin Park ridge. Now in its 21st year, the event is part of the Pacific Association of USA Track & Field Cros..

Berkeley Trail Adventure is an Inside Trail Racing event set in Berkeley, CA, spanning Tilden Regional Park and Wildcat Canyon. Distances offered are 50K (31 miles), 35K (21.6 miles), half marathon (13 miles), and 10K. The course blends technical dirt trails and non-technical fire roads, with about..

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 demanding half marathon known for its tough hills and breathtaking views, offering runners a unique wilderness..