Christain Vande Velde of the USA riding for Garmin-Sharp celebrates on the podium as he won the overall race leader's yellow jersey with a second place finish in stage seven to win the general classification of the USA Pro Challenge on August 26, 2012 in Denver, Colorado. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage 4
Jens Voigt of Germany riding for Radioshack-Nissan rides through a rainstorm as he rides his solo attack to victory in stage four of the USA Pro Challenge from Aspen to Beaver Creek on August 23, 2012 in Leadville. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage 4
NBC Sports commentator Steve Porino broadcasts from a motorbike as they follow Jens Voigt of Germany riding for Radioshack-Nissan successfully rides his solo breakaway to victory in stage four of the USA Pro Challenge from Aspen to Beaver Creek on Aug. 23, 2012 in Eagle County. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage 3
Tom Danielson of the USA riding for Garmin-Sharp leads the group of the yellow jersey on the climb of Cottonwood Pass during stage three of the USA Pro Challenge from Gunnison to Aspen on August 22, 2012 in Chaffee County. Danielson went on to win the stage and defend the king of the mountains jersey. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage Six
USA Pro Challenge - Stage 7
Taylor Phinney riding for BMC Racing leaves the start house on his way to winning the individual time trial during stage seven of the USA Pro Challenge on Aug. 26, 2012 in Denver. (Photo by Garrett W. Ellwood/Getty Images)
USA Pro Challenge - Stage Six
USA Pro Challenge - Stage 6
USA Pro Challenge - Stage 2
Jorge Camilo Castiblanco Cubides of Columbia riding for EPM-Une launches a solo attack on the breakaway on the final climb to the finish and is chased by cycling fan Dory Holte during stage two of the USA Pro Challenge from Montrose to Crested Butte on Aug. 21, 2012 in Crested Butte. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage 7
USA Pro Challenge - Stage 7
(L-R) The final jersey winners Jens Voigt of Germany riding for Radioshack-Nissan in the king of the mountains red jersey, Tyler Farrar riding for Garmin-Sharp in the points leader's green jersey, Christain Vande Velde riding for Garmin-Sharp in the overall race leader's yellow jersey, Joe Dombrowski riding for Bontrager-Livestrong in the best young rider's blue jersey and Tom Danielson riding for Garmin-Sharp in the most aggressive riders jersey take the podium following stage seven of the USA Pro Challenge on Aug. 26, 2012 in Denver. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage 6
Alex Howes riding for Garmin-Sharp excites the crowd as he prepares to rejoin the peloton on the climb of Lee Hill Road after leaving the breakaway during stage six of the USA Pro Challenge from Golden to Boulder on August 25, 2012 in Boulder County, Colorado. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage Seven
USA Pro Challenge - Stage 6
USA Pro Challenge - Stage 4
Jeff Weak of Gunnison, Colorado waves a Colorado state flag as they peloton climbs Indpendence Pass during stage four of the USA Pro Challenge from Aspen to Beaver Creek on August 23, 2012 in Pitkin County. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge 2012 - Stage 1
People cheer as the peloton leaves the start of stage one of the USA Pro Challenge from Durango to Telluride on August 20, 2012 in Durango. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge 2012 - Stage 1
Cycling fans wait for the start of Stage One of the USA Pro Challenge from Durango to Telluride on August 20, 2012 in Durango. (Photo by Garrett W. Ellwood/Getty Images)
USA Pro Challenge - Stage 5
USA Pro Challenge 2012 - Stage 1
Fans in Telluride during Stage 1 of the USA Pro Challenge -- from Durango to Telluride -- on Aug. 20, 2012. (credit: CBS)
USA Pro Challenge 2012 - Stage 1
Gov. John Hickenlooper (L) is hosted by race owner Rick Schaden (R) in a VIP car during stage one of the USA Pro Challenge from Durango to Telluride on August 20, 2012 in Durango. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage 2
The peloton heads down the road during stage two of the USA Pro Challenge from Montrose to Crested Butte on Aug. 21, 2012 in Montrose. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage 3
Tom Danielson of the USA riding for Garmin-Sharp leads out Francisco Jarley Colorado Hernandez of Columbia riding for EPM-UNE as they head toward Independence Pass during stage three of the USA Pro Challenge from Gunnison to Aspen on August 22, 2012 in Chaffee County. Danielson went on to win the stage and defend the king of the mountains jersey. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage 2
Fans race across town on their bikes to catch a second glimpse of the race during stage two of the USA Pro Challenge from Montrose to Crested Butte on August 21, 2012 in Gunnison. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage Six
USA Pro Challenge - Stage Six
USA Pro Challenge - Stage Six
USA Pro Challenge - Stage 4
The peloton passes over a bridge during stage four of the USA Pro Challenge from Aspen to Beaver Creek on Aug. 23, 2012 in Redcliff. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage 4
Jens Voigt of Germany riding for Radioshack-Nissan receives a water bottle from his team car and then throws it by the roadside as he rides his day long solo attack to victory on August 23, 2012 in Eagle County. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage 3
Riders approach the summit of Independence Pass during Stage Two of the USA Pro Challenge from Gunnison to Aspen on August 22, 2012 in Independence Pass. (Photo by Garrett W. Ellwood/Getty Images)
USA Pro Challenge - Stage 2
A fan runs with the peloton during stage two of the USA Pro Challenge from Montrose to Crested Butte on August 21, 2012 in Sapinero, Colo. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage 3
Fans watch the start of Stage Three of the USA Pro Challenge from Gunnison to Aspen on Aug. 22, 2012 in Gunison. (Photo by Garrett W. Ellwood/Getty Images)
USA Pro Challenge - Stage 4
Jens Voigt of Germany riding for Radioshack-Nissan passes by Camp Hale in the Eagle River Valley during as he rode his day long solo attack to victory during stage four of the USA Pro Challenge from Aspen to Beaver Creek on Aug. 23, 2012 in Eagle County. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage Five
USA Pro Challenge - Stage 2
A young fan runs in front of the peloton during stage two of the USA Pro Challenge from Montrose to Crested Butte on August 21, 2012 in Sapinero, Colo. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage 3
The peloton travels through a construction area on a dirt road during stage three of the USA Pro Challenge from Gunnison to Aspen on August 22, 2012 in Almont. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage 4
Jens Voigt of Germany riding for RadioShack-Nissan-TREK approaches the summit of Independence Pass during Stage Four of the USA Pro Challenge from Aspen to Beaver Creek on August 23, 2012 in Aspen. (Photo by Garrett W. Ellwood/Getty Images)
Team Radioshack-Nissan takes the podium after winning the team general classification in the 2012 USA Pro Challenge on August 26, 2012 in Denver, Colorado. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage Seven
USA Pro Challenge - Stage Seven
USA Pro Challenge - Stage Seven
Taylor Phinney riding for BMC Racing leaves the start house on his way to winning the individual time trial during stage seven of the USA Pro Challenge on August 26, 2012, in Denver. (Photo by Garrett W. Ellwood/Getty Images)
USA Pro Challenge - Stage Seven
USA Pro Challenge - Stage Seven
USA Pro Challenge - Stage Seven
USA Pro Challenge - Stage Seven
USA Pro Challenge - Stage Seven
USA Pro Challenge - Stage Seven
USA Pro Challenge - Stage Seven
USA Pro Challenge - Stage Seven
Levi Leipheimer of the USA riding for Omega Pharma-Quickstep races to ninth place in the individual time trial during stage seven and finished in third place in the 2012 USA Pro Challenge on August 26, 2012 in Denver, Colorado. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage Seven
USA Pro Challenge - Stage Seven
USA Pro Challenge - Stage Seven
USA Pro Challenge - Stage Seven
USA Pro Challenge - Stage Seven
USA Pro Challenge - Stage Seven
USA Pro Challenge - Stage Seven
(credit: Bob Burke)
USA Pro Challenge - Stage Seven
(credit: Bob Burke)
USA Pro Challenge - Stage Six
USA Pro Challenge - Stage Six
USA Pro Challenge - Stage Six
Stage six of the USA Pro Challenge from Golden to Boulder on August 25, 2012 in Boulder County, Colorado. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage Six
USA Pro Challenge - Stage Six
USA Pro Challenge - Stage Six
USA Pro Challenge - Stage Six
Levi Leipheimer riding for Omega Pharma-Quickstep descends the summit of Lee Hill Road during stage six of the USA Pro Challenge from Golden to Boulder on August 25, 2012 in Boulder County, Colorado. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage Six
USA Pro Challenge - Stage Six
USA Pro Challenge - Stage Six
USA Pro Challenge - Stage Six
The peloton makes the climb of Boulder Canyon during stage six of the USA Pro Challenge from Golden to Boulder on August 25, 2012 in Boulder County, Colorado. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage Six
USA Pro Challenge - Stage Six
USA Pro Challenge - Stage Six
USA Pro Challenge - Stage Six
USA Pro Challenge - Stage Six
USA Pro Challenge - Stage Six
USA Pro Challenge - Stage Six
USA Pro Challenge - Stage Six
USA Pro Challenge - Stage Six
USA Pro Challenge - Stage Six
USA Pro Challenge - Stage Five
USA Pro Challenge - Stage Five
USA Pro Challenge - Stage Five
USA Pro Challenge - Stage Five
USA Pro Challenge - Stage Five
USA Pro Challenge - Stage Five
USA Pro Challenge - Stage Five
USA Pro Challenge - Stage Five
USA Pro Challenge - Stage Five
USA Pro Challenge - Stage Five
USA Pro Challenge - Stage Five
USA Pro Challenge - Stage Five
USA Pro Challenge - Stage Five
USA Pro Challenge - Stage Five
USA Pro Challenge - Stage Five
USA Pro Challenge - Stage 4
The peloton makes their way toward Tennessee Pass in heavy weather during stage four of the USA Pro Challenge from Aspen to Beaver Creek on Aug. 23, 2012 in Eagle County. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage 4
The peloton passes through the countryside during stage four of the USA Pro Challenge from Aspen to Beaver Creek on Aug. 23, 2012 in Leadville. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage 4
Tom Danielson riding for Garmin-Sharp with his son on his shoulders poses for a photo after being presented with the King of the Mountains Jersey following Stage Four of the USA Pro Challenge from Aspen to Beaver Creek on Aug. 23, 2012 in Beaver Creek. (Photo by Garrett W. Ellwood/Getty Images)
USA Pro Challenge - Stage Five
USA Pro Challenge - Stage 3
George Hincapie of the USA riding for BMC Racing drives the peloton in an attempt to defend the overall race leader's yellow jersey for Tejay Van Garderen during stage three of the USA Pro Challenge from Gunnison to Aspen on August 22, 2012 in Buena Vista, Colorado. Van Garderen lost the yellow jersey to Christian Vande Velde in the stage. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage 4
The Peloton approaches the summit of Independence Pass during Stage Four of the USA Pro Challenge from Aspen to Beaver Creek on Aug. 23, 2012 in Aspen. (Photo by Garrett W. Ellwood/Getty Images)
Jens Voigt of Germany riding for RadioShack-Nissan-TREK poses for a photo after being presented with a lifetime ski pass to Beaver Creek from American alpine ski racer Lindsey Vonn following his win of Stage Four of the USA Pro Challenge from Aspen to Beaver Creek on Aug. 23, 2012 in Beaver Creek. (Photo by Garrett W. Ellwood/Getty Images)
USA Pro Challenge - Stage 4
George Hincapie riding for BMC Racing drives the peloton as they begin the climb to the finish as fans try to catch a glimpse during stage four of the USA Pro Challenge from Aspen to Beaver Creek on Aug. 23, 2012 in Beaver Creek. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage 4
Tom Danielson riding for Garmin-Sharp in the king of the mountains jersey checks in with his team car during stage four of the USA Pro Challenge from Aspen to Beaver Creek on Aug. 23, 2012 in Pitkin County. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage 4
The peloton leaves the start of stage four of the USA Pro Challenge from Aspen to Beaver Creek on Aug. 23, 2012 in Aspen. (Photo by Doug Pensinger/Getty Images)
USA Pro Challenge - Stage 3
Tom Danielson riding for Garmin-Sharp makes the descent of Independence Pass alone en route to winning stage three of the USA Pro Challenge from Gunnison to Aspen on August 22, 2012 in Aspen. (Photo by Doug Pensinger/Getty Images)