unknown-track - Race 8

Underlay

A horse that is going off at lower odds than it deserves based on performance.

Bute

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

Exacta

A bet selecting the first and second horses in a race in the correct order. An exacta box refers to paying a little more to ensure they can finish in either order.