1 1/4 miles
By 'Kentucky Horse Race' I'll assume you mean Kentucky Derby as there are hundreds of races in Kentucky. The Derby is a mile and one fourth in length.
The length of the Kentucky Derby is 1.25 miles, or 10 furlongs. This distance has been maintained since the race's inception in 1875, making it one of the premier horse racing events in the United States. The Derby is held annually at Churchill Downs in Louisville, Kentucky, on the first Saturday in May.
Kentucky Derby was created in 1875.
Thoroughbreds compete in the Kentucky Derby.
It was Clark who started the Kentucky Derby.
The first Kentucky Derby race was run in 1875.
The Kentucky Derby is always the first Saturday of May.
Thoroughbred horses compete in the Kentucky Derby.
Kentucky Derby Museum was created in 1984.
Orb won the 2013 Kentucky Derby.
The Kentucky Derby is held annually in the state of Kentucky.
The web address of the Kentucky Derby Museum is: www.derbymuseum.org