1) Final part of any undertaking 2) Final phase 3) Final stage 4) Horse race finale 5) Last 6) Last leg 7) Last part of a horse race 8) Parlor exercise 9) Part of a horse race 10) Part of a race track 11) The end of an enterprise 1) Leg 
[n] - (informal) the end of an enterprise 2. [n] - the straight stretch of a racetrack leading to the finish line
noun the straight stretch of a racetrack leading to the finish line
the straight part of a racetrack from the last turn to the finish line. Cf. backstretch. · the final phase of any endeavor: The political campaign is in the homestretch.