An activity or situation which is congested with participants and which is hectic or tedious, especially in the context of a busy, modern urban lifestyle.

(motor racing) A race in a car or on a motorcycle to determine the fastest vehicle.

plural of horse race

(athletics) A racewalking race.

plural of sack race

To engage in race baiting.

A person who engages in race baiting

(US, idiomatic) The competitive process in which a political party selects their candidate, especially presidential; a primary election via caucus.

(originally Britain, idiomatic) A laborious but arbitrary and futile activity; an activity that amounts to running around in a circle, expending great energy but not accomplishing anything.

A two-member team race in which one team member holds the legs of the other, as if the handles of a wheelbarrow. The team member playing the barrow runs on his/her hands.