İzmit Körfez Circuit is a motor sports race track about 17 km west of İzmit, in Körfez district of Kocaeli Province, Turkey. Sponsored by the Turkish Automobile Sports Federation and built by the Istanbul Motorsports Club, it was inaugurated in 1993 as the first asphalted race track in Turkey. The venue is home to motor sport races in various categories. Located at the northeastern coast of Marmara Sea, İzmit Körfez Circuit is situated around a small Fener Lake, which belongs to the Municipality of Körfez District. The venue can be easily reached from Istanbul and İzmit by the motorway O-4 or highway D-100 at the exit Körfez. The race track, 1.950 kilometres at length, has nine turns and runs clockwise.