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chairuosen Overall speed
Overall Speed of the Tour de France
The 2005 edition was the fastest Tour de France in history. Lance Armstrong rode 3,592.5 km in 86h 15' 02", thus realising an overall speed of 41.7 km/h (25.9 mph), though his win was later annulled.
The slowest Tour de France was the edition of 1919, when Firmin Lambot's average speed was 24.1 km/h.[8]
Stage speeds
The fastest massed-start stage was in 1999 from Laval to Blois (194.5 km), won by Mario Cipollini at 50.4 km/h (31.32 mph).[9] The fastest time-trial is Rohan Dennis' stage 1 of the 2015 Tour de France in Utrecht, won at an average of 55.446 km/h (34.5 mph).[10][11] The fastest stage win was by the 2013 Orica GreenEDGE team in a team time-trial. It completed the 25 km time-trial at 57.7 km/h (35.85 mph).[12]
The fastest climb of Alpe d'Huez was by Marco Pantani in 1997 Tour de France at 23.1 km/h (14.35 mph).[13]