Three Sisters Skyline

Three Sisters Skyline is a trail running event held in Sisters, Oregon, offering a 50K and a half marathon. Runners are treated to stunning views of the Three Sisters and other Cascade peaks, with the 50K venturing to the edge of the Three Sisters Wilderness through Ponderosa Pines, alpine meadows, and a scenic mountain stream, including remnants of a 2012 forest fire regrowth. The 50K features about 3700 feet of climbing and 4700 feet of descent, with 95% single-track trails and three stocked aid stations.

The half marathon is a fast point-to-point course with a net downhill of around 1500 feet and 85% single-track trails. The race benefits Sisters Trail Alliance and operates under a Deschutes National Forest permit. Visit the organization's website for the most recent information.