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Indoor or arena polo

Arena polo has rules similar to the field version, and is less strenuous for the player. It is played in a 300 by 150 feet (91 by 46 m) enclosed arena, much like those used for other equestrian sports; the minimum size is 150 by 75 feet (46 by 23 m). There are many arena clubs in the United States, and most major polo clubs, including the Santa Barbara Polo and Racquet Club, have active arena programmes. The major differences between the outdoor and indoor games are: speed (outdoor being faster), physicality/roughness (indoor/arena is more physical), ball size (indoor is larger), goal size (because the arena is smaller the goal is smaller), and some penalties. In the United States and Canada, collegiate polo is arena polo; in the United Kingdom, collegiate polo is both.

Some of the most important arena polo tournaments held are: