Three Sisters Skyline

Sisters, United States • 19 Sep 2026

Three Sisters Skyline

Three Sisters Skyline is a trail event held in Sisters, Oregon, with courses that run near the Three Sisters and other high Cascade peaks. Routes pass through Ponderosa pine stands, areas of forest regrowth from a 2012 fire, alpine meadows, and alongside a mountain stream. Courses finish in the town of Sisters and start at Village Green City Park.

The event offers two race distances and varied terrain. The 50K features long single track sections, sustained climbing and descending, and multiple aid stations. The half marathon is a point to point course with a net downhill and a single aid station. Most trail surfaces are single track.

Distances:

  • 50K: 95% single track, 3700 ft climbing, 4700 ft descent, three aid stations
  • Half marathon: Point to point, 85% single track, net 1500 ft downhill, one aid station

Registration closes on Mon, Sep 14 at 11:59 PM PT. Entry policies include no transfers to other runners. Cancellations more than 30 days before the race may receive a 50% credit for the same event the following year; cancellations 30 days or less receive no credit, refund, or transfer. If the organizer cancels an event that cannot be feasibly rescheduled, refunds or credits will not be given. Registration fees support Sisters Trail Alliance. Visit the organization's website for the most recent information.

Race information

50 km
50k
13 mi
1/2 Marathon
Visit the organization's website for the most recent information.
Trail runs nearby

Trail 50K and Half Marathon in Sisters Oregon on May 3, 2026, both start and finish at Village Green Park. The event features post-race food and beer, finisher medals, and aid stations staffed by the beneficiary team.

COCC Jungle Run in Bend, Oregon on May 7, 2026 offers 2 mile and 4 mile options at the COCC Track. Non-students pay $15 plus processing while COCC students register free with student ID and a free T shirt is available.

A four-race trail series in Bend, Oregon held April to July 2026 with courses of 4 to 7 miles. Series standings require participation in at least three races and the event is produced by Go Beyond Racing.

A self paced summer challenge in Central Oregon from May 22 to October 1, 2026 where participants summit nine buttes and redeem a free pint at each sponsored brewery. A single butte Micro Challenge is also available.

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