(motor racing) The most optimal (fastest) line or course on a track.

(historical) Love of one's own race, or hatred of other races.

Alternative form of headrace

Alternative form of headrace

plural of tricky racket

A type of business or endeavor that is not easy; a domain fraught with difficulty.

A person who is stuck in the rat race.

one who causes or fuels racial or ethnic tensions / one who often uses racial arguments or references in contexts where these are (perceived to be) less or not at all relevant

The sport of greyhound racing

The sport of racing greyhounds around a track. The greyhounds follow a remote-controlled mechanical hare around the track.