unknown-track - Race 5

Exercise Rider

A rider built much like a jockey but is employed for exercising and working out horses in the morning.

Bute

Shortened word for phenylbutazone, the common non-steroidal medication legal at most racetrack.

Pari-Mutuel

A pool style wagering system, where all money input through betting is divided among those with winning tickets (save for various deductions by the track operators).