The Masaryk circuit (Czech: Masarykův okruh) or Masarykring, now referred to as the Brno Circuit, refers to two motorsport race tracks located close to the city of Brno, Czech Republic The original street circuit was made up of public roads, and at its longest measured nearly 19 miles (31 km). In the 1930s, events such as the Masaryk Grand Prix attracted top teams and drivers. The track is named after the first president of Czechoslovakia, Tomáš Masaryk.