I beieve you mean Harrison's Hoss Race, if so then President Benjamin Harrison announced that the government would open 1.9 million acres of Indian Territory to settlement and Boomers, Sooners, and settlers all wanted to stake their claims.
The rider of a horse in a race is called a Jockey.
He is? He has an album and song called Dark Horse
A steward.
A person who rides horses (mainly thoroughbreds) is called a Jockey
Not that I've heard of.
yes
This is the show horse. Win, place and show.
The common sobriquet for Thoroughbred horse racing is called The Sport of Kings.
A maiden horse is a horse that has never won a race. There are special races called maiden races that only horses that have never won a race can enter.
A stallion like the rest
Horse blinders are used on race tracks so the horse can't be distracted. In Canada they may also be called blinkers.