apprentice
Rider who has not ridden a certain number of winners within a specified period of time. Also known as a “bug,” from the asterisk used to denote the weight allowance such riders receive.
apron
The (usually) paved area between the grandstand and the racing surface.
auxiliary starting gate
A second starting gate used when the amount of horses in a race exceeds the capacity of the main starting gate.
baby race
A race for two-year-olds.
backside
Stable area, dormitories and often times a track kitchen, chapel and recreation area for stable employees. Also known as “backstretch,” for its proximity to the stable area.
backstretch
Straight portion of the far side of the racing surface between the turns.