Blue Sky Trail Marathon

Join us on 10/16/2021


Blue Sky Trail Marathon Race Description

Welcome to the 12th running of the Blue Sky Marathon, Fort Collins’ original and only trail marathon.

Taking place on the trails between Horsetooth Mountain Park and the Devil’s Backbone Open Space, the course takes you on a north-south tour of the easternmost hogbacks of Northern Colorado’s mighty Front Range. With 3,500 feet of elevation gain and an equal amount of elevation loss, the route offers a little bit of something for everyone. It is designed to appeal to both veteran trail runners and those looking to experience their first trail racing adventure. The generous nine hour cut-off should ensure a successful day for everyone.

The course is 100% dirt and 90% sweet Colorado singletrack. The terrain ranges in difficulty from smooth dirt trail to technical rock gardens. A small portion of the route is on smooth dirt road (no motor vehicle access) and gravel bike path, with the meat of the running done on the beautiful and distinctive redstone hardpack of the Blue Sky Trail.



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add race to calendar    Add to my calendar 2021-10-16 17:00:00 2021-10-16 17:00:00 America/Denver Blue Sky Trail Marathon Fort Collins, CO Brad Bishop racedirector@gnarrunners.com


    Blue Sky Trail Marathon Where & When

  • Location: Fort Collins, CO 80526
  • Race Date: 2021/10/16 05:00:00 PM (Saturday)
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    • Join us at the Blue Sky Trail Marathon in October for a great race. The Blue Sky Trail Marathon works hard to deliver you a memorable race experience. We would love to hear from you, so consider writing us a review or contact us at: racedirector@gnarrunners.com

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    Brad Bishop
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    racedirector@gnarrunners.com
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