A symmetric two beat gait where diagonal limb pairs move synchronously; footfall pattern left hind and right fore > right hind and left fore. There is a period of suspension between ground contacts of diagonal limb pairs. Trot can be performed at a huge variety of speeds, at extreme collection it is performed with almost no forwards movement (known as passage), and at the other end of the spectrum racing trotters can achieve speeds of up to 55 km/h.