About This Race

The Blue Sky Marathon & Half takes place on the trails between Horsetooth Mountain Park and the Devil's Backbone Open Space near Fort Collins, Colorado. The marathon covers 26.7 miles with 3,500 feet of gain and the half covers 13.4 miles, both run almost entirely on dirt singletrack including the redstone hardpack of the Blue Sky Trail. With moderate elevation change and generous cut-offs, the courses suit both veteran trail runners and first-time trail racers.

Course & Race Day Details

Trail surface
Surface
Trail Surface
T-Shirt
Race Swag
Blue Sky Trail Marathon, Blue Sky Trail Half Marathon: T-Shirt

Hydration Support

Fully stocked aid stations offering Gnarly Nutrition Fuel2O sports drink, Hammer Gels, water and soda plus salty and sweet bites and fruit; GF/Vegan alternatives available.

Awards

Unique finisher award and overall and age group awards.

Race Weekend Logistics

Medical Support

Professional medical and emergency communications.

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Choose Your Distance

Blue Sky Trail Marathon Marathon
$130.00
Increases Oct 17
Register
Blue Sky Trail Half Marathon Half Marathon
$110.00
Increases Oct 17
Register