Colorado · 50 miler · 50K
Roxborough Ultras
Roxborough Ultras is a 50 miler and 50K event held in Littleton, Colorado. It was last held on August 15, 2026 and is usually run in August; the next date hasn't been announced yet. About 39 runners take part across all distances.
- Usually held
- August
- Location
- Littleton, CO
- Field size
- ~39 runners
Race details
- Last held
- August 15, 2026
- Usually held in
- August
- Location
- Littleton, Colorado
- Distances
- 50 miler, 50K
- Field size
- About 39 runners
- Course
- 9337 ft gain
- Registration
- stoketrailracing.com
Registration, course & weather
- Course profile — 50 Mile
- Loop course; Trail surface; 9337 ft gain (estimated from third-party elevation data)
- Course profile — 50K
- Loop course; Trail surface; 5279 ft gain (estimated from third-party elevation data)
About the Roxborough Ultras
Roxborough Ultras in Littleton, CO.
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Roxborough Ultras: common questions
- When is the Roxborough Ultras?
- The next date hasn't been announced in the listing yet. The race is usually held in August. Check the organiser's website for the official date.
- Where is the Roxborough Ultras held?
- In Littleton, Colorado.
- What distances does the Roxborough Ultras offer?
- 50 miler and 50K.
- How many people run the Roxborough Ultras?
- About 39 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 Roxborough Ultras?
- Registration is handled by the organiser at stoketrailracing.com. Entry fees, caps and deadlines are set there.
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