A competition for military supremacy between two powers, especially for the most weapons and the best military technology. / (figuratively) Any similar competition that involves competing developments.

the sport of racing cars or other vehicles on frozen lakes or rivers

(bicycle racing) A mass-start road-cycle race somewhat similar to a criterium in that it consists of several laps of a closed circuit, but where the length of each circuit or lap is slightly longer, up to a couple of miles per lap.

mankind, humanity; humankind; Homo sapiens / Used other than figuratively or idiomatically: see human, race.

Any of several fast-running crabs of the family Ocypodidae.

A field glass used at horseraces, usually as a pair (binoculars).

The rotary, rather than propulsive, motion produced by a propeller. / (mechanics) The rotation of the inner and outer parts of a bearing race.

The use of racially derisive language, actions, or other forms of communication in order to set people against each other, usually in the context of white and black people.

(cycle racing) A multi-day cycle race consisting of a series of separate races (called stages) of various types (road races, criteriums, time trials) usually held one stage per day and all linked together by the general classification (GC).

A car designed for use on race tracks in motor racing events.