Google has marked the 100th Tour de France with an animated Google Doodle.
The landmark race starts today with favourite Chris Froome heading up the British challenge after last year's stunning win by the currently unfit Bradley Wiggins.
The Tour de France is a mix of flat and mountainous stages and will take the 198 riders from Corsica to Paris for Sunday, 21 July's finish.
The three week race covers around 2,000 miles and this year will be held entirely held within the French borders - the first such race since the 100th anniversary race in 2003.
The Google Doodle shows a moustached cyclist pedalling with the double O's of Google forming the bicycle wheels.
The first organised race was held in 1903 and has been held annually every year excepts for when it stopped for the two World Wars.
Video: 100th Tour the France - Google Doodle 29 June 2013
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