The Masaryk circuit or Masarykring, also referred to as the Brno Circuit, refers to two motorsport race tracks located in Brno, Czech Republic. The original street circuit was made up of public roads, and at its longest measured 29.194 km (18.140 mi). The track is named after the first president of Czechoslovakia, Tomáš Garrigue Masaryk. In 1949, events such as the Czechoslovakian Grand Prix attracted top teams and drivers. In 1987, the new (current) circuit was opened. The Brno Circuit is historically one of the oldest circuits, on the place were also held the most motorcycle championships in history after the TT Circuit Assen.