9–12 August: PGA Championship – Brooks Koepka won by two strokes over Tiger Woods. He is the first player since Woods in 2000 to win both the U.S. Open and the PGA Championship in the same year.[4]
23 September: Tiger Woods got his first victory in over five years, by winning the Tour Championship. It was his 80th victory on the PGA Tour. It also enabled him to finish second in the FedEx Cup standings.[12]
23 September: Johnson regained the world number one ranking from Rose with a third place finish at the Tour Championship.[27]
7 March: The LPGA announced that starting in 2019, The Evian Championship, currently the final major championship of its season, will move from September to July. At that time, the prize fund will increase to US$4.1 million.[41]
8–11 November: Charles Schwab Cup Championship – Vijay Singh, who entered the final round six shots behind Charles Schwab Cup points leader Scott McCarron, shot 61 while McCarron faded with 72. Singh ultimately won the tournament by four shots over Tim Petrovic, while Bernhard Langer overtook McCarron in the points race to claim his fifth Charles Schwab Cup title.[54]
6–12 August: U.S. Women's Amateur – Kristen Gillman defeated Jeon Ji-won in the final, 7 & 6. It was Gillman's second U.S. Women's Amateur, having won the 2014 title.[63]
25–28 June: Mediterranean Games – Spain swept the gold medals with Mario Galiano winning the men's individual gold, Marta Sanz winning the women's individual gold, and both men's and women's teams taking gold.[68]
23–26 August: Asian Games – Keita Nakajima took the men's individual gold and led the Japanese men's team to the team gold while Yuka Saso took the women's individual gold and led the Filipino women's team to the team gold.[72]
9–15 October: Summer Youth Olympics – Australians Karl Vilips and Grace Kim won the men's and women's individual gold medals, respectively,[73] and the Thailand team of Vanchai Luangnitikul and Atthaya Thitikul won the mixed team gold medal.[74]
Deaths
3 March – Lally Segard (born 1921), French amateur golfer who won the 1950 British Ladies Amateur.[75]
9 March – Jerry Anderson (born 1955), Canadian golfer who won once on the European Tour.[76]
13 March – Dave Ragan (born 1935), American golfer who won three times on the PGA Tour.[77]
20 March – Bobby Mitchell (born 1943), American golfer who won twice on the PGA Tour.[78]
22 March – Lyn Lott (born 1950), American golfer who played on the PGA Tour in the 1970s and 1980s.[79]