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"
compete in a race; "he is running the Marathon this year"; "let's race and see who gets there first"
cause to move fast or to rush or race; "The psychologist raced the rats through a long maze"
to work as fast as possible towards a goal, sometimes in competition with others; "We are racing to find a cure for AIDS"