race has 18 distinct synonyms spread across 6 of its 10 senses. Each sense below keeps its own list, because a synonym belongs to a meaning and not to a word: swapping one sense's substitute into another sense's sentence is how a thesaurus makes writing worse. WordNet records no antonym for it — antonymy is a relation between word forms rather than concepts, so it is deliberately sparse.
Counts are distinct word forms across every sense. A synonym that appears under three senses is counted once here and shown three times below, under each sense it belongs to.
any competition
“the race for the presidency”
a contest of speed
“the race is to the swift”
people who are believed to belong to the same genetic stock
“some biologists doubt that there are important genetic differences between races of human beings”
(biology) a taxonomic group that is a division of a species; usually arises as a consequence of geographical isolation within a species
the flow of air that is driven backwards by an aircraft propeller
move hurridly
“He rushed down the hall to receive his guests”
Synonyms, antonyms and the broader and narrower relations for race come from Princeton University’s WordNet. Full sources and licences.
to work as fast as possible towards a goal, sometimes in competition with others
“We are racing to find a cure for AIDS”