About This Race

Stunning courses with amazing views of the Three Sisters and other high Cascade peaks of Oregon. The 50K takes you to the edge of the Three Sisters Wilderness, running amongst Ponderosa Pines, remnants of a forest fire that occurred in 2012 where regrowth is occurring, alpine meadows and a picturesque mountain stream.

Key Dates

Registration Opens

Invalid Date

Race Day

Sep 19, 2026

13d

Get alerts for Three Sisters Skyline

Registration opens, price changes, race updates: straight to your inbox.

Race Planning

Plan Three Sisters Skyline with Crewable

Build your aid station plan, organize your crew, and dial in your nutrition strategy. Everything you need to finish strong.

Make Race Plan

Are you the race director for Three Sisters Skyline?

Claim this race to manage registration, volunteers, and race-day ops on Endurance HQ.

Claim Your Race