Marlette 50K and 10-Miler

Description: The Marlette 50K and 10 Miler take runners through some of the most scenic and challenging trails in the Lake Tahoe region. Both races begin at Spooner Lake in Lake Tahoe Nevada State Park, traversing pristine Sierra singletrack with sweeping views of Lake Tahoe, Marlette Lake, the Carson Valley, and surrounding mountain ranges. The Marlette 50K is an adventurous endurance run featuring miles of rugged alpine trails and panoramic vistas. The Marlette 10 Miler starts with a loop around Spooner Lake before heading onto an out-and-back section of the Tahoe Rim Trail, offering striking views of North Canyon, Lake Tahoe, and Snow Valley Peak before returning to the finish. The Marlette 50K and 10 Miler is owned and operated by Big Blue Adventure. Explore the full lineup of Big Blue Adventure events for Summer/Fall 2026, here.