
50K
Three Sisters Skyline · Organized by Alpine Running
Distance
31.1 mi
Elevation gain
3,700 ft
Cutoff time
8 hours
Difficulty
Going the distance
Start time
9/19/2026, 3:00:00 PM
A fast, net descent 50K with 3, 700 ft of climbing and 4, 700 ft of loss. The opening 9.7 miles is a steady 2, 300 ft climb up to AS1 on the edge of the Three Sisters Wilderness, with the Sisters peaks framed right in front of you.
After AS1 the course unwinds on 95 percent single track through ponderosa, burn scar regrowth, and alpine meadows, with three fully stocked aid stations and a generous runnable profile that makes this a strong trail 50K for athletes chasing a breakthrough.
Shuttle departs Village Green Park in Sisters at 7:20AM for an 8AM start. Crew is permitted at AS2 only (disqualification if anywhere else). No drop bags.
Cut offs: 1:30PM at AS2 (mile 19.1), 3:30PM at AS3 (mile 25.5). Finishes back at Village Green Park in downtown Sisters.