unknown-track - Race 3

Trifecta

A wager picking the first, second and third horses in the exact order. A trifecta box means paying more to ensure the horses can finish in any order in the top three spots.

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).

Across the Board

Refers to betting on a horse to finish first, second, and third to cover any of those scenarios happening during a race