The 2004 United States Open Championship was the 104th U.S. Open, held June 17–20 at Shinnecock Hills Golf Club in Shinnecock Hills, New York. Retief Goosen won his second U.S. Open title, two strokes ahead of runner-up Phil Mickelson, the reigning Masters champion. The purse was $6.25 million with a winner's share of $1.125 million. U.S. Open 2004: June 17–20, 2004 at Shinnecock Hills Golf Club. Champion: Retief Goosen, at 276 (−4) — 2nd major title. Wiki link