The 2013 United States Open Championship was the 113th U.S. Open , held June 13 -- 16 at the East Course of Merion Golf Club in Ardmore , Pennsylvania , west of Philadelphia .
The 2013 United States Open Championship was the 113th edition of the U.S. Open . 
 It took place June 13 -- 16 at the East Course of the Merion Golf Club in Ardmore , Pennsylvania , west of Philadelphia .