U.S. cyclist Taylor Phinney of the BMC Racing Team celebrates winning Stage 5 of the 2014 Amgen Tour of California on Thursday. (Ezra Shaw / Getty Images)
U.S. cyclist Lawson Craddock of Team Giant-Shimano completes Stage 5. (Ezra Shaw / Getty Images)
The peloton, as the main pack of cyclists is called, makes its way up San Marcos Pass on Thursday. (Ezra Shaw / Getty Images)
The race began May 11 in Sacramento on the steps of the Capitol and will finish Sunday in Thousand Oaks. (Ezra Shaw / Getty Images)
Cyclists pedal toward Santa Barbara. (Ezra Shaw / Getty Images)
Josh Edmondson of Britain, riding for Team Sky, tries to keep cool during Stage 5. (Ezra Shaw / Getty Images)