
1) Formula One circuit
Found on
https://www.crosswordclues.com/clue/hungaroring

The Hungaroring is a motor-racing circuit in Mogyoród, Hungary where the Formula One Hungarian Grand Prix is held. In 1986, it became the location of the first Formula One Grand Prix behind the Iron Curtain. Bernie Ecclestone wanted a race in the USSR, but a Hungarian friend recommended Budapest. They wanted a street circuit similar to the Circui...
Found on
http://en.wikipedia.org/wiki/Hungaroring
No exact match found.