Three Sisters Skyline
Sisters, United States • 20 Sep 2025
Three Sisters Skyline in Sisters, Oregon, offers two scenic mountain courses: a 50K and a half marathon, finishing in Sisters. The 50K climbs about 3,700 feet and descends 4,700, with 95% on single-track trails and views of the Three Sisters Wilderness. The half marathon is a point-to-point course with a net downhill of 1,500 feet and 85% single-track terrain, finishing in Sisters after a scenic route.
Highlights include three aid stations on the 50K and one at mile 7.1 for the half, a finisher medal, and a post-race meal. Proceeds benefit Sisters Trail Alliance; permits from Deschutes National Forest and City of Sisters. Shuttles to the start.
Date: September 20, 2025. Visit the organization's website for the most recent information.