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.
Kentucky Derby was created in 1875.
Thoroughbreds compete in the Kentucky Derby.
The Kentucky Derby is held annually in the state of Kentucky.
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.
Kentucky Derby Museum was created in 1984.
Orb won the 2013 Kentucky Derby.
Thoroughbred horses compete in the Kentucky Derby.
The web address of the Kentucky Derby Museum is: www.derbymuseum.org
The Kentucky Derby did not begin until 1875.