(1.5) Any of the following outdoor facilities that is (i) owned by a municipality, township, or other unit of local government, including a home rule unit, or by a public or private elementary or secondary school, college, university, or technical or trade school and (ii) supervised by one or more persons, other than maintenance or security personnel, employed by the unit of local government, school, college, or university for the purpose of directly supervising the physical fitness activities taking place at any of these facilities: a swimming pool; athletic field; football stadium; soccer field; baseball diamond; track and field facility; tennis court; basketball court; or volleyball court; or similar facility as defined by Department rule. The term does not include any facility during any activity or program organized by a private or not-for-profit organization and organized and supervised by a person or persons other than the employees of the unit of local government, school, college, or university.