The 1911 U.S. Open was the 17th U.S. Open, held June 23–26 at Chicago Golf Club in Wheaton, Illinois, a suburb west of Chicago. Nineteen-year-old John McDermott became the first American-born champion by defeating Mike Brady and George Simpson in an 18-hole playoff. Two past champions, Alec Ross and Fred McLeod, shared the 36-hole lead on Friday evening at 149 (−3), with McDermott, Brady, and Simpson four shots back at 153, in a five-way tie for fourth. The Open Championship in England was held June 26−30 at Sandwich.