sentences:  Navy was retroactively recognized as the pre-NCAA Tournament national champion for the 1912–13 and 1918–19 seasons by the Premo-Porretta Power Poll and for the 1912–13 season by the Helms Athletic Foundation.The heavyweight crew won Olympic gold medals in men's eights in 1920 and 1952, and from 1907 to 1995 at Intercollegiate Rowing Association regatta the team earned 30 championships, was runner-up 29 times, and had 31 third-place finishes.The lightweight crew won the 2004 National Championship and has finished second three times, the most recent being 2010.