Three Sisters Skyline

SEP
19
2026
A trail race day in Sisters, Oregon on September 19, 2026, featuring a scenic 50K to the edge of the Three Sisters Wilderness and a point to point half marathon with a net downhill. Proceeds support the Sisters Trail Alliance.
Sat 19 Sep 2026
50 kilometers Half Marathon

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Three Sisters Skyline

Three Sisters Skyline is a trail race day held Saturday, September 19, 2026, at Village Green Park in Sisters, Oregon. The event offers two distances that run through high Cascade terrain and near the Three Sisters peaks.

  • 50K
  • Half Marathon

The 50K course reaches the edge of the Three Sisters Wilderness and runs through Ponderosa pine stands, areas of regrowth from a 2012 forest fire, alpine meadows, and alongside a mountain stream. The Half Marathon is a point to point route with a net downhill profile that can produce faster overall times.

Runners are transported by shuttle to the start; the ride is about 15 minutes and drop offs at the start are not permitted because parking is limited. Warmup clothing can be brought to the start and will be returned in the RD's truck. Items left on the shuttle will not be returned to the finish.

Each finisher receives a medal. The top three finishers in female, male, and non-binary divisions receive prizes from sponsors. Pre-race offerings include products from sponsors and brewed coffee, and a post-race burrito bar is available for runners and volunteers. The event benefits Sisters Trail Alliance, an organization that plans, builds, and maintains multi-user, non-motorized trails in the Sisters area. Visit the organization's website for the most recent information.

50 km
50k
Half Marathon
Half Marathon
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