2007 Tour de France Alberto Contador in the yellow jersey as the leader, Cadel Evans in second, and Levi Leipheimer in third, were separated by only 2:49, with both Evans and Leipheimer recognized as far superior time trialists to Contador. In the end, each rider held his place after the final time trial, but with considerably slimmer margins, as the Tour ended with the smallest-ever spread of only 31 seconds among the top three riders. Alberto Contador also won the young rider classification, indicated by the white jersey, as the best young (under age 25) rider. A total of 21 teams were invited to
Mountains classification in the Tour de France climber was first recognised in 1933, the distinctive jersey was not introduced until 1975. The colours were decided by the then sponsor, Chocolat Poulain, whose chocolate bars were covered in a polka dot wrapper. Currently the jersey is sponsored by Carrefour supermarkets, which has sponsored the jersey since 1993, initially under the Champion brand, it switched to the main Carrefour brand for the 2009 edition of the Tour. The Tour's jersey colours have also been adopted by other cycling stage races; for example, the Tour of Britain also has a polka dot jersey. The first rider to ever wear the