unknown-track - Race 2

Rabbit

Also known as a pacemaker; this is a horse with no expected chance of winning but is used to prompt a quick pace on the front end of the race to the benefit of a stablemate who is a closer.

Lasix

A medication for the treatment of bleeding in horses that is legal in North America, but not all worldwide jurisdictions.

Bute

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