Cycling’s biggest race, the Tour de France, runs three weeks every July. Each year, the race organizers strive to create an innovative and suspenseful course. The much-anticipated announcement of the 2018 route took place earlier this week in Paris. Though it’s still months away, this year’s Tour offers some unique challenges that could shake four-time champion Chris Froome and his dominant Team Sky. Here are nine things you should know about the new route.