Three Sisters Skyline

SEP
18
2027
Three Sisters Skyline in Sisters, Oregon features a 50K through Ponderosa forests to the Three Sisters Wilderness and a point-to-point half marathon with a net downhill.
Sat 18 Sep 2027
50 kilometers Half Marathon

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Three Sisters Skyline

Three Sisters Skyline is a trail running event held in Sisters, Oregon on September 18, 2027. Races start and finish at or near Village Green Park and the event benefits the Sisters Trail Alliance, a nonprofit that plans, builds and maintains multi-user, non-motorized trails in the Sisters area.

The course options include a long trail route that reaches the edge of the Three Sisters Wilderness and a shorter point-to-point road or trail route. The 50K course runs through Ponderosa pine stands, through areas recovering from a 2012 forest fire, across alpine meadows and alongside a mountain stream. The half marathon is point-to-point and has a net downhill profile.

Logistics include a mandatory shuttle to the start that is about a 15 minute ride; runners are not permitted to be dropped off at the start and parking at the start area is limited. Runners may bring warm-ups to the start and those items will be transported back by the race staff; items left on the shuttle will not be returned. Competitors should be aware the race is held in collaboration with the equestrian community and may encounter horses.

Each finisher receives a medal. The top three finishers in female, male and non-binary categories receive prizes. Registration prices vary by date ranges; registering by August 16 guarantees shirt size. Visit the organization's website for the most recent information.

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