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2013 Sports Authority Rock 'n' Roll Denver Marathon & 1/2 Marathon 2013 Sports Authority Rock 'n' Roll Denver Marathon & 1/2 Marathon


Registration for 2014 Janus Rock 'n' Roll Denver Marathon & 1/2 Marathon - October 19, 2014 is currently closed.

The official registration dates are from Monday, September 23, 2013 4:10 PM to Tuesday, October 14, 2014 2:59 AM EST.






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