To compete in race walking.

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

(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.

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.

(of a person) Having genetic characteristics of two or more different races.

(music production) The practice of mastering albums to such an extent that it distorts their sound quality.

(chess) A situation where both opponents are pushing (moving forward) a passed pawn in an effort to be the first to promote.

(idiomatic) No vested interest in the outcome of a contest or debate.

(rare, nonce word) A person who is a member of the same race or ethnic group as a given other person.