step up
A horse moving up in class to meet better competition.
stewards
Officials of the race meeting responsible for enforcing the rules of racing.
stockings
Solid white markings extending from the top of the hoof to the knee or hock.
stretch call
Position of horses at the eighth pole.
stretch runner
Horse that runs its fastest nearing the finish of a race.
stretch turn
Bend of track into the final straightaway.