The Sochi Autodrom is a motorsport race track located in Sochi, Russia. The track was built to host the Russian Grand Prix as part of the Formula One World Championship, and has held the event annually since 2014. The track is 5.848 kilometers (3.634 miles) long and features a mix of slow and high-speed corners. It was designed by Hermann Tilke, and is one of the few tracks on the Formula One calendar to run in an anti-clockwise direction. In addition to Formula One, the track has also hosted other racing series, such as the Russian Round of the World Touring Car Championship.