Bullet

A bullet, or bullet workout, is a workout that was clocked as the best time for a certain distance on a given day.

Fractions

The times recorded during the race; with timing starting just past the gate or when the gates open, then parroted for the quarter, half, three-quarters etc. Used as an indication of ability and speed.

Bolt

A sudden veering to the inside or outside rail, often caused by the horse spooking or shying from something.