Jockeys
The gaits used by harness racing horses is pacer and trotter
If you mean the ones that horses commonly wear when racing then they are also called blinders.
The horses are called from the paddock to the starting gate
If your racing and betting on each others horses its called Racing for Pinks!
A group of horses is usually called a herd. A herd. Or if you are driving or racing chuckwagons, a team. It could also a Stud of Wild Horses
Yes, horses are famous for racing. Especially throughbreds, who are the main breed of racing horse.
thorough bred horses that are about 2 years old do racing
horse racing stores
Horse racing came before horse shows.
Racing horses? It's also called 12 furlongs, and is a common race distance.
Vets, horse trainers and breeders, zoologist's, and pretty much anyone fascinated by horses