Main Track Only

A horse entered for main track only (MTO) is one hoping the weather forecast or track conditions will move the race off the turf course and onto the main track. They are scratched the morning of the race if the conditions stay dry.

Synthetic Surface

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

Underlay

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