Track Record Meaning

(sports) (Can we clean up(+) this sense?) The fastest time on a specific racetrack it has taken any Thoroughbred to complete a set race distance on a specific surface.

Example: Used other than as an idiom: see track,‎ record.
1990 Jan. 27, "Man in the News: John Richard Dunne—‘Sensitive’ but Untested," New York Times (retrieved 29 Nov 2011):
  "Ideally, for this job, you want someone with a track record of commitment to civil rights, especially to racial justice, and he just doesn't have that."
2011 Feb. 22, Alex Perry, "Libyan Leader's Delusions of African Grandeur," Time:
  Gaddafi's calls for unity and stability are at odds with his track record of backing rebellions.