unknown-track - Race NaN

Synthetic Surface

A racing surface comprised of silica sand and fibers, such as recycled carpet or spandex. The mixture is then sealed with wax.

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).

Underlay

A horse that is going off at lower odds than it deserves based on performance.