The Tour de France is a pretty grueling bicycle race.  they race 21 stages over three weeks!
That's an herculean task I must say
Over the years since the race was founded in 1903, there have been many great cyclists who competed.  There have also been some cheaters too
Cheaters ? That sounds weird ! 
One such cycling cheater had a cork in his mouth attch to a string, which was also tied to a car.  If caught, he would just open his mouth and the cork would fly away.
ok then! Who is the current world champion?
Currently the Tour de France champion is Chris Froome from the United Kingdom
Is he also the Olympic champion?
Tour de France
The Tour de France () is an annual men's multiple stage bicycle race primarily held in France, while also occasionally passing through nearby countries. Like the other Grand Tours (the Giro d'Italia and the Vuelta a España), it consists of 21 day-long stages over the course of 23 days. It "is the world’s most prestigious and most difficult bicycle race".
The race was first organized in 1903 to increase sales for the newspaper "L'Auto" and is currently run by
1904 Tour de France
The 1904 Tour de France was the second Tour de France, held from 2 to 24 July. With a route similar to its previous edition, 1903 Tour de France winner Maurice Garin seemed to have repeated his win by a small margin over Lucien Pothier, while Hippolyte Aucouturier won four of the six stages. But the race became a victim of its own success, plagued by scandals; cyclists were accused of having taken trains during the race. Twelve cyclists, including the first four of the final