The Tour de France is an annual men's bicycle race held primarily in France, first organized in 1903. It was created to increase sales for the newspaper L'Auto and has since grown into one of the most prestigious cycling events in the world. The race typically spans three weeks in July, covering approximately 3,500 kilometers. Over the years, the Tour de France has evolved, introducing various stages, including time trials and mountain climbs. Notable cyclists like Eddy Merckx and Lance Armstrong have left their mark on the race's history, contributing to its rich legacy and global appeal.