 Circuit of the Americas (COTA) is a unidirectional, grade 1 FIA specification 3.427-mile (5.515 km) motor racing facility located in Elroy, on the southeastern periphery of Del Valle limits, in Central Texas.COTA plays host to the Formula One United States Grand Prix.The circuit also hosts the Motorcycle Grand Prix of The Americas, a round of the Road Racing World Championship, commonly known as MotoGP, the FIA World Endurance Championship, as well as the WeatherTech SportsCar Championship.