When the Tour de France began in 1903, cyclists made a 1,509 mile trek. 111 years later, they'll travel 2,277 miles - a 768-mile difference.
The event holds some big numbers: more than 20,000 security staffers will watch over the event and more than 600 journalists will cover it.
But no matter the numbers, one thing stays the same: Only one person can be the winner of the yellow jersey. Watch the video above for more cool Tour de France facts, images, and numbers so when it starts this weekend, you're in the know.