The Paris-Roubaix is one of the most famous cycling races in the world, held annually in France in April. Known as the "Hell of the North," the race is renowned for its challenging and often grueling course, which includes long sections of cobblestone roads, or "pavé," that test riders' endurance and bike handling skills. The race covers around 250 kilometers from Paris to Roubaix, featuring a mix of flat terrain and brutal cobbled stretches. It is a one-day event and is part of the UCI World Tour, attracting top cyclists from around the globe. Paris-Roubaix is celebrated for its rich history and unique, tough conditions, making it a major highlight in the cycling calendar.