Although the air will be noticeably thin at the starting line, Echo Lake's 10,600 feet of elevation is just the beginning.


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For More Information, please call Darrin or Jill at Racing Underground at 303-642-7917

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REFUND POLICY:Every effort will be made to hold the race, regardless of weather conditions, however we reserve the right to alter or shorten the course in the case of extreme weather. Once accepted, entry fees will not be issued for any reason. You may cancel your entry and receive a 75 percent credit toward any other Racing Underground event until 30 days before race day or until the race sells out, whichever comes first. The credit will be valid for 12 months. You may transfer to another runner for a $20 fee until 10 days before the event. No transfers will be allowed fewer than 10 days before the event. No refunds or credits will be issued if the race is shortened, postponed, or cancelled due to weather or other unforeseen circumstances.