Like most fast circuits it was a hard circuit on engines but more difficult on tires, because of the speeds being so consistently high.

Germany: A fast circuit with part of an oval and a carousel hairpin.

Its fairly flat contours create a smooth, fast circuit.

Consistently driving quickly is hard work on the fast and smooth circuit.

She was going to make this one fast circuit!

Imola was a traditionally fast circuit that placed a premium on high-speed handling rather than brute horsepower.

Hockenheim was a fast circuit but was regarded as one of the safest.

By this I mean large, fast circuits similar to those flown by a conventional aircraft.

Crossing over to the counter, she watched Austin race through a fast circuit of the office.

"I have always liked fast circuits," he said, "and I look forward to learning the tactics of driving fast at Indianapolis."