Harrahs Philadelphia - Race 13

Trifecta

A wager picking the first, second and third horses in the exact order. A trifecta box means paying more to ensure the horses can finish in any order in the top three spots.

Bute

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

Tack

The equipment the horse wears, including saddle and bridle. A jockey typically has their own racing saddle, placed on each horse they ride just before the race.