<P> 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 41.654 km / h, though his win was later annulled . </P> <P> The slowest Tour de France was the edition of 1919, when Firmin Lambot's average speed was 24.056 km / h . </P> <P> 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). 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). 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). </P> <P> The fastest climb of Alpe d'Huez was by Marco Pantani in 1997 Tour de France at 23.1 km / h (14.35 mph). </P>

Fastest tour de france time trial in history