U.S. Women's Mid-Amateur
The U.S. Women's Mid-Amateur is one of thirteen United States Golf Association national championships. First played in 1987, it provides amateur women over the age of 25 an opportunity to compete for a national championship. Entrants must have a handicap index of 9.4 or lower.
The major amateur tournament in the U.S. for women, the U.S. Women's Amateur, is dominated by women under age 25, many with hopes of becoming tournament professionals.
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Wikipedia