Northern Ireland's Rory McIlroy holds the U.S. Open Trophy after winning the 2011 U.S. Open golf tournament at Congressional Country Club in Bethesda, Maryland, June 19, 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.

It was McIlroy's first win in a major.