The U.S. Senior Women's Open is open to golfers aged 50 and older. But among its 50-and-older champs so far, who was the oldest? A 57-year-old. The U.S. Senior Women's Open, run by the USGA, was first played very recently, in 2018. It is easily the youngest of the USGA's open national championship tournaments. But these are its oldest winners so far: 57 years, 7 months, 10 days old — Trish
