Facts about the 2015 U.S. Open golf tournament include that it is a par 70 course, there are 156 players in the tournament and Martian Kaymer is the defending champion from 2014. The 2015 U.S. Open golf tournament was held at Chambers Bay golf course. The course is located along the Puget Sound in Oregon on what used to be a mining site.
The site was designed by Robert Trent Jones Jr and it has several elevation changes. The grass used on it is called fescue and it makes the ball roll faster over the course. This course and tournament is one of four Grand Slams that take place through out the year. The event is open to any professional or amateur golfer, but there is a maximum of a 1.4 handicap to enter.
Four people have won the tournament four times each: Willie Anderson, Bobby Jones, Ben Hogan and Jack Nicklaus. This particular tournament has been running for 115 years. The first tournament was in 1895 and took place on a nine-hole course with 11 players. The youngest winner was a young man by the name of John McDermott. He was just shy of 20 years old when he won in 1911. The oldest winner was Hale Irwin at the age of 45 in 1990.