Races›United States›Colorado›Byers Peak Stampede Half Marathon & 5K
Winter Park, CO, seen from above
August 2027 · date to be announced

Byers Peak Stampede Half Marathon & 5K

Winter Park, Colorado · United States
RoadMountain100% trail

All-dirt trail through Arapaho National Forest

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Course

The half marathon is a single loop starting near 8,700ft and climbing above 9,500ft through the Arapaho National Forest, almost entirely on remote dirt roads, with aid roughly every 3.5 miles. The 5K uses dirt roads and trails near the Fraser Rodeo Grounds.

Half Marathon21.1 km
5K5 km

Key dates

Provisional date, projected from last year — the organiser has not announced this edition yet. We show the month only.

About

The Byers Peak Stampede is a trail half marathon and 5K near Fraser, Colorado, run on dirt roads through the Arapaho National Forest at altitude. It is organised by the Shining Stars Foundation, and proceeds fund outdoor programmes for children affected by cancer.

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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.