Claim: Finishing the race at 2:00 3/5, Proud Clarion (January 19, 1964 – December 17, 1981), an American Thoroughbred racehorse, was the fastest horse in the 1967 Kentucky Derby.
Evidence: Proud Clarion (January 19, 1964 – December 17, 1981) was an American Thoroughbred racehorse best known for winning the 1967 Kentucky Derby. 1st Proud Clarion 2:00 3/5