1.   Basketball and its enclosed arena is also a popular sport for fans to try and become part of the action.

2.   Combat takes place in an enclosed arena, where your robot can be launched toward an enemy, a wall or a power-up item.

3.   Dressage involves performing classical horsemanship movements in an enclosed arena, scored by five judges.

4.   The jumpers leaped several hundred feeet from the upper level of the stadium to the base of the enclosed arena, which has hosted seven prior Super Bowl events.