Today's AU - Grafton Horse Racing Picks

Pari-Mutuel

A pool style wagering system, where all money input through betting is divided among those with winning tickets (save for various deductions by the track operators).

Workout

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

Bullet

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