Mountain Tiger Donner Summit

Tahoe 200 is a 200-mile ultramarathon around Lake Tahoe, California and Nevada, tracing the Tahoe Rim Trail with detours into alpine meadows, rock gardens, and high ridges with views. The race starts at Heavenly Stagecoach Lodge and, in 2026, will use an out-and-back course (the Forest Service is ev..

Broken Arrow Skyrace is California's first skyrunning event, held at Squaw Valley (Palisades Tahoe) in the Sierra Nevada. Presented by Salomon and organized by Alpenglow Mountain Racing, it offers multiple mountain-running distances: 11K, 18K, 23K and 46K, plus endurance challenges such as the Iron..

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..

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..