Kiel Reijnen of the United States riding for UnitedHealthcare Pro Cycling wins the stage over Alex Howes of the United States riding for Garmin Sharp during stage one of the 2014 USA Pro Challenge on Aug. 18, 2014 in Aspen. (Photo by Chris Graythen/Getty Images)
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
The peloton passes through the start finish line during stage one of the 2014 USA Pro Challenge on August 18, 2014 in Aspen, Colorado. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
The peloton lines up on the start line during stage one of the 2014 USA Pro Challenge on August 18, 2014 in Aspen, Colorado. (Photo by Chris Graythen/Getty Images)
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
USA Pro Challenge - Stage 1
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