Course
All races start and finish at Granby Ranch Resort in Granby, Colorado. The courses use single track, alpine meadows and aspen groves through forest and alpine terrain. Multiple aid stations are provided. The Elevation Challenge is a 14-hour timed format rather than a set distance.
Key dates
- !Entries openTue 1 Dec 2026 · in 6 weeks
- ★Race daySat 12 Jun 2027
About
The Summits Trail Runs occur at Granby Ranch Resort in Colorado's beautiful Rocky Mountains. These challenging trail races offer a variety of distances ranging from shorter runs to ultra distances, each course showcasing sweeping mountain vistas, dense forests, and rugged alpine terrain. Runners experience varying elevation gains that test endurance as the routes twist through single-track trails, alpine meadows, and aspen groves. The event celebrates the spirit of human resilience and determination, attracting runners who crave physical challenge and mountain landscapes' serenity. With a strong community atmosphere, the Summits Trail Runs emphasize respect for nature and camaraderie among athletes. This race weekend is a memorable mix of adventure, grit, and the breathtaking beauty of Granby Ranch.
Save Summits Trail Runs to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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All-Out Summer Breeze
Flat miles along Arvada's Van Bibber Creek Trail
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Howelsen Hill Trail Run
A trail run on Steamboat's historic ski jump hill
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Garden of the Gods Ten Mile Run
Fifty years of racing through the iconic Garden of the Gods
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.