Trail Running calendar near Rio Linda 2025-2026

Wildcat 2026, held at 3800 Clark Road in El Sobrante, California, offers a Half Marathon, 10K, and 5K. The page highlights spectacular 360-degree views of the Bay Area from the course. Specific route details aren’t described, but the event is run by Brazen Racing and takes place within East Bay Regi..

Nitro Trail 2026 is a trail-running event held at Point Pinole Regional Shoreline Park, 5551 Giant Highway, San Pablo, California 94806. It offers three distances: a half marathon, 10K, and 5K, appealing to a range of runners and walkers. The event is branded with an energetic theme, described as an..

Bay Area 100 is a 100-mile ultramarathon held in Oakland, California. The race is associated with a location at 12500 Campus Drive in the Bay Area, indicating the event’s hub in Oakland. The official site bayarea100.com provides registration details, noting that registration opens on October 1, 2025..

Broken Arrow Skyrace is a California skyrunning event held at Squaw Valley, now Palisades Tahoe, near Lake Tahoe. The race series offers multiple distances, including 11K, 18K, 23K and a 46K ultra, plus ascent formats and specialty challenges such as Iron Face, Iron Crown, and Triple Crown. Marketed..

The Western States Endurance Run is the world’s oldest 100-mile trail race, starting in Olympic Valley, California, and finishing 100.2 miles later in Auburn, California. Established in 1974, the course traverses traditional lands of Indigenous Peoples and features over 18,000 feet of climbing and n..

Lost Sierra Endurance Race, presented by Bad Luck Run Club, takes place in the Sierra Nevada high country around Downieville, California. Runners choose from 25K, 50K, or 100K. The 100K is an out-and-back epic, starting in Downieville, climbing toward the Sierra Buttes then north to Plumas-Eureka St..

The Skyline 50k Endurance Run will take place in Castro Valley on Sunday 2 August 2026.

Signal Peak Trail Runs take place near Bear Valley Group Campground, Nevada City, CA, with Emigrant Gap as a reference point. Organized by Sky Breaker Racing, the event offers two distances: 50K and 24 miles. The course is an out-and-back with a loop at the east end that summits Signal Peak for the..