The 2012 United States Open Championship was the 112th U.S. Open, played June 14–17 at the Olympic Club in San Francisco, California. Webb Simpson won his first major title, one stroke ahead of runners-up Graeme McDowell and Michael Thompson. U.S. Open 2012: June 14–17, 2012 at Olympic Club, Lake Course. Champion: Webb Simpson, at 281 (+1). Wiki link