Today's GB - Sedgefield Horse Racing Picks

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.

Apprentice

A new jockey who has not ridden a certain number of winners in a specified time period.

Workout

A workout is a timed sprint over varying distances prior to a race, meant to get a horse fit enough for competition.