this periodic report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and
the information contained in this periodic report fairly presents, in all material respects, the financial condition and results of operations of Life Time Fitness, Inc.
July 30, 2012
/s/ Bahram Akradi
Chairman of the Board of Directors, President and Chief Executive Officer
/s/ Michael R. Robinson
Michael R. Robinson
Executive Vice President and Chief Financial Officer