Indiana University Natatorium Swimming Championships, local/regional meets, as well 11 Olympic Trials in swimming, diving, and synchronised swimming. The main competition pool of the Natatorium is 50-meters with eight racing lanes. Two moveable bulkheads allow for long or short course events as well as hosting water polo and synchronized swimming. The seating capacity of the Natatorium is 4,700, making it the largest indoor pool in the United States. There is also room for additional seating of 1,500 on deck. The depth of the pool is at the ends and at center of pool. Water temperature is kept at . The main pool contains
San Juan Natatorium San Juan Natatorium The San Juan Natatorium is an Olympic-level aquatic sports facility located in San Juan, Puerto Rico. Located in San Juan's Parque Central (Central Park) the natatorium is regarded as the most advanced natatorium in the Caribbean and 4th in the entire world as of October 2007. The facility is used to host local and international events such as the 2nd A.S.U.A Pan American Masters Swimming Championship, as well as an important United States collegiate winter practice venue for many NCAA-affiliated colleges and universities. San Juan's Mayor Jorge Santini opened the new roofed San Juan Natatorium, developed by