Jordan Spieth won the 2015 U.S. Open Golf Tournament earning $1.8 million, while Louis Oosthuizen and Dustin Johnson tied for second and earned approximately $877,000. Adam Scott, Cameron Smith and Branden Grace tied for fourth earning just over $407,000, while last place finisher Chris Kirk won just over $21,000.
Jordan Spieth beat Dustin Johnson by one shot in the 2015 U.S. Open, where total prize money among a field of 75 golfers was about $10 million, which represents a $1 million increase over the prior year. First place prize money alone was about $200,000 more than in 2014, when Martin Kaymer won $1.62 million. Although the tournament originally intended to pay out $9 million in total prize money, tournament officials made a late breaking decision to increase the amount to $10 million to keep in line with other major championships, such as The Players Championship, PGA Championship and the Masters, which all featured $10 million purses.
Officials specifically ran the 2015 U.S. Open to ensure a lucrative payout to the top finishers, with the top 24 earning six-figures, the top four earning at least $475,000, and the top nine earning at least $250,000. Six amateurs competed in the tournament, but were unable to accept prize money in order to keep their amateur status.