Oregon · 50K · 1/2 Marathon
Three Sisters Skyline
Three Sisters Skyline is a 50K and 1/2 Marathon event held in Sisters, Oregon. It was last held on September 19, 2026 and is usually run in September; the next date hasn't been announced yet. About 184 runners take part across all distances.
- Usually held
- September
- Location
- Sisters, OR
- Field size
- ~184 runners
Race details
- Last held
- September 19, 2026
- Usually held in
- September
- Location
- Sisters, Oregon
- Distances
- 50K, 1/2 Marathon
- Field size
- About 184 runners
- Course
- 3700 ft gain
- Registration
- alpinerunning.co
Registration, course & weather
- Course profile
- Point-to-point course; Road surface; 3700 ft gain, 4700 ft loss (estimated from third-party elevation data)
About the Three Sisters Skyline
Three Sisters Skyline in Sisters, OR.
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Guides from the RaceRove blog
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Three Sisters Skyline: common questions
- When is the Three Sisters Skyline?
- The next date hasn't been announced in the listing yet. The race is usually held in September. Check the organiser's website for the official date.
- Where is the Three Sisters Skyline held?
- In Sisters, Oregon.
- What distances does the Three Sisters Skyline offer?
- 50K and 1/2 Marathon.
- How many people run the Three Sisters Skyline?
- About 184 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Three Sisters Skyline?
- Registration is handled by the organiser at alpinerunning.co. Entry fees, caps and deadlines are set there.
- What is the course like at the Three Sisters Skyline?
- Point-to-point course; Road surface; 3700 ft gain, 4700 ft loss (estimated from third-party elevation data).
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.