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Run 26.2 miles on the dirt roads and trails of the mountains near Boulder. Or challenge yourself with the 10-mile ascent and run from the base of Fourmile Canyon to Gold Hill. The marathon starts and finishes near the historic Gold Hill Inn and follows dirt roads and trails of the adjacent mountains. For more info, see the event web site.

Registration fees

Marathon Closed

10-mile Ascent Closed

Event Schedule

  • May 20 12:00 PM MDT - Packet Pick-Up at Flatirons Running

  • May 21 7:00 AM MDT - Marathon Start

  • May 21 9:00 AM MDT - 10-Mile Ascent Start

Contact Information

Event Location

Gold Hill, CO, United States

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