Northern Ireland's Rory McIlroy hits from the fourth tee during the third round of the 2011 U.S. Open golf tournament at Congressional Country Club in Bethesda, Maryland, June 18, 2011. (Xinhua/Reuters Photo)

Rory McIlroy of Northern Ireland won the 111st US Open at the Congressional Country Club in Bethesda, Maryland, on Sunday.

The 22-year-old won the title with a tournament record 16-under-par total of 268, carding a final round of 69 to win by eight strokes from Jason Day of Australia who closed with a 68.