Laura Diaz reacts to her putt on the 18th hole during the first round of the LPGA Marathon Classic at Highland Meadows Golf Club in Sylvania, Ohio.
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Laura Diaz chips onto the 18th green at the Marathon Classic.
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Laura Diaz reacts as her chip comes up just short on No. 18 at the Marathon Classic.
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Kristy McPherson lines up her putt on No. 18 during the first round of the Marathon Classic.
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Kristy McPherson reacts to missing her putt on No. 18.
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Brittany Lincicome tees off during the first round of the Marathon Classic.
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The following of Toledo native Stacy Lewis watches her drive during the first round of the Marathon Classic.
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Stacy Lewis retrieves her ball after missing a birdie putt on No. 4 during the first round.
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Chella Choi putts on No. 4 during the first round.
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From left, Brittany Lincicome, with fellow players Kim Kaufman and Mina Harigae, try to figure out if she is out of bounds on No. 10.
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Brittany Lincicome measures whether her ball is out of bounds on the 10th hole during the first round of the Marathon Classic.
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Brittany Lincicome reacts after measuring her out-of-bounds ball on No. 10. She lost a stroke and went to -2.
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Stacy Lewis pars No. 4.
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In Gee Chun hits from the fairway on the first hole.
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Brooke Henderson reacts to missing a putt during the first round.
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Brooke Henderson hits out of a sand trap during the first round of the Marathon Classic at Highland Meadows Golf Club.
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Aditi Ashok walks with her caddy to the ninth hole.
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Toledo native Stacy Lewis waves to fans after teeing off on No. 1 to begin the Marathon Classic.
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Stacy Lewis walks to her ball during the first round of the Marathon Classic.
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Aditi Ashok hits onto the No. 9 green.
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Kelly W. Shon waves to fans after playing her final hole during the the first round. She finished at 6-under.
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Aditi Ashok smiles as she ends the first round at 6-under during the Marathon Classic at Highland Meadows.
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Dori Carter tries to coax her ball to go into the cup on No. 8, but misses her birdie putt during the Marathon Classic at Highland Meadows.
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Simin Feng's caddie gives her advice on No. 9.
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Dori Carter hits out of the sand trap near the green at No. 9.
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Dori Carter grimaces after missing a birdie putt on No. 4 during the first round.
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Chella Choi places her ball on the ninth green at the first round of the Marathon Classic. The 2015 champion, Choi finished the round 4-under par.
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Chella Choi strikes her putt on No. 9 during the first round.
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Tiffany Joh reacts to her missed putt on No. 18. Joh finished 3-under par for the round.
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Tiffany Joh reacts to her missed putt on No. 18.
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Brittany Lincicome measures her shot on No. 18. Lincicome eagled the hole to finish 4-under for the round.
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Brittany Lincicome strikes her eagle putt on No. 18.
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Brittany Lincicome waves on No. 18 after making her eagle.
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Laetitia Beck lines up her putt on the par-5 No. 18.
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First-round leader Gerina Piller hits from the fairway at No. 9.
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Gerina Piller plays No. 9. She shot an 8-under 63 to lead the tournament after the first day.
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Gerina Piller reacts to missing a birdie putt on the No. 10 during the first round of the Marathon Classic.
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Gerina Piller tees off on No. 11 during her round.
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Gerina Piller birdies No. 11 to increase her lead during day one.
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Peiyun Chien putts on No. 9. Chien finished 7-under par for the day and tied for second place.
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Lexi Thompson hits out of a sand trap on No. 18. Thompson finished 4-under par for the day.
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Sung Hyun Park lines up her shot on No. 11.
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Sung Hyun Park checks the wind direction on the 11th fairway during her round.
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Gerina Piller and her caddy scope out the No. 18 fairway as she completes her round.
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In-Kyung Kim reacts to missing her putt on No. 18 during the first round. Kim finished 6-under par for the day.
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Gerina Piller chips onto the par-5 18th green as she finishes her round.
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Gerina Piller waves to the gallery after finishing the first round in the lead.
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Sung Hyun Park tips her hat to the gallery on No. 18. Park finished 7-under par and tied for second place.
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