a racetrack dry and hard enough for optimum speed.
a railroad track for express trains.
Informal. a situation or course of action that is intensely pressured or competitive, especially one in which a person advances rapidly to a higher level in a business or profession: With two promotions in six months, he seems to have chosen the fast track.
A situation involving high pressure, competition, and, especially, rapid success or advancement. For example, He was definitely on a fast track, becoming a partner after only five years in the firm, or This company was on the fast track in software development. This term alludes to a dry, hard horse track that enables horses to run at high speeds. [Colloquial; mid-1960s] Also see fast lane.