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Three Sisters Skyline

Sisters, United States • 20 Sep 2025

The Three Sisters Skyline is a trail running event held in Sisters, Oregon, featuring two race distances: a 50K and a half marathon. The 50K course offers stunning views of the Three Sisters and other Cascade peaks, running through Ponderosa Pines, alpine meadows, and areas recovering from a 2012 forest fire. It includes a steady climb of about 2,300 feet in the first 9.7 miles, totaling 3,700 feet of ascent and 4,700 feet of descent, mostly on single-track trails with three aid stations. The half marathon is a fast, point-to-point race with a net downhill of 1,500 feet, mostly on single-track trails, featuring one aid station. Both races finish in the mountain town of Sisters, providing a scenic and challenging trail running experience. Visit the organization's website for the most recent information.

United States Oregon Sisters

Race information

Website
UTMB 50K
50 km
3700 m+
50k
13 mi
500 m+
1/2 Marathon
Visit the organization's website for the most recent information.
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