Experience the Colorado Marathon
Watch the Colorado Marathon video and experience the course in action.
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Race Announcements
Marathon and Half Marathon races are full & regular registration is now CLOSED.
A limited amount of charity entries are available on first come first serve basis. Click here for more information, or sign up now at www.active.com
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Marathon
Half Marathon
10K and 5K
Race numbers are NOT transferable to another person, no refunds or exchanges.
