Harness racing is a sport of driving a Standardbred horse pulling a light two-wheeled vehicle called a sulky at a quick speed.Harness racing horses are of two kinds, differentiated by gait: the pacing horse, or pacer, moves both legs on one side of its body at the same time; the trotting horse, ...

Harness racing is a sport of driving a Standardbred horse pulling a light two-wheeled vehicle called a sulky at a quick speed.Harness racing horses are of two kinds, differentiated by gait: the pacing horse, or pacer, moves both legs on one side of its body at the same time; the trotting horse, ...