A three-time U.S. Olympian has reportedly spent the last year working as a $600-per-hour call girl, a double life she now classifies as a “huge mistake.” The Smoking Gun reports that runner Suzy Favor Hamilton, 44, has been employed with one of Las Vegas’ premier escort agencies since last December and has booked dozens of “dates” there and elsewhere throughout the United States, including Los Angeles, Chicago and Houston.