The 2005 Breeders' Cup Classic was the 22nd running of the Breeders' Cup Classic, part of the 2005 Breeders' Cup World Thoroughbred Championships program. It was run on October 29, 2005 at Belmont Park in Elmont, New York with a purse of $4,000,000. It was won by Saint Liam, who was subsequently named American Horse of the Year. The Classic is run on dirt at a distance of 1+1⁄4 miles (approximately 2000 m). It is run under weight-for-age conditions, with entrants carrying the following weights: