Sawatch Ascent 50K
2027 at a glance
- EntryNot confirmed yet
- Race dateNot announced yet
- ResultsAfter race day
- Race day
- TBD Date not announced
- Distance
- 50 km Ultramarathon
- Entry
- Not confirmed
- Latest results
- 2026
Quick facts
- Climbs to 13,150 feet
- 12 miles on the Colorado Trail
- Field capped at 250 runners
- Camping at the start and finish
Course
The lollipop course starts in Chalk Creek Canyon and runs 26 miles of singletrack in the middle, essentially one long climb and one long descent between a low point of 8,200 feet and a high point of 13,150 feet. Runners have 11 hours.
Race-day weather
Late September above treeline can mean frost at the start, strong sun and quick-building wind or snow showers, though fall often brings clear, stable days and golden aspens.
About the race
Freestone Endurance, organizer of the High Lonesome 100, caps the Sawatch Ascent at 250 runners. Paired with the West Line Winder 50K the day before, it forms the Sawatch 50/50 challenge.
Dates and results by year
FAQ
When is the Sawatch Ascent 50K?
No 2027 date yet. It last ran Sunday, September 27, 2026.
Where can I find the Sawatch Ascent 50K results?
The 2026 results and earlier years are on the results page.
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