Russian Grand Prix preview - all you need to know
Russian Grand Prix is 53 laps long.
The Sochi circuit consists of 18 corners and is 5.848 km in length.
Valtteri Bottas holds the lap record of one minute, 40.896 seconds, set in his Williams in 2014.
At 5.848km in length, it is the third longest circuit on the current calendar behind Silverstone (5.891km) and Spa (7.004km).
The greater Sochi area sprawls for 90 miles along the Black Sea coast and the city claims to be the longest in Europe.
The distance between Moscow and Sochi is 1,000 miles - equivalent to the distance between Silverstone and Monza.
Soviet Union dictator Joseph Stalin had a holiday home in Sochi.
Russian Grand Slam winner Maria Sharapova first played tennis in Sochi, where she lived for six years as a child.
Before the Sochi Games, Russia's capital Moscow instigated a public health campaign that allowed metro passengers to ride for free after doing 30 squats.
Persian leopards, an endangered species, are being bred at the Sochi National Park and have been visited by Russian president Vladimir Putin.
Sochi is a subtropical resort city located on the Black Sea coast and is the warmest location to stage the Winter Olympics.