Kiwi golfer Lydia Ko has vaulted into a share of second place after two rounds of the the LPGA Tour's Marathon Classic.
This morning Ko moved up from third to be in a tie for second after another round of 67 at Highland Meadows Golf Club in Ohio.
The teenager and South Africa's Lee-Anne Pace were on a halfway total of eight-under par, three strokes behind American halfway leader Laura Diaz.
Crucial to Ko's form today, in a round which included five birdies and one bogey, was her putting - requiring just 27 strokes on the greens.
There was slight room for improvement with her iron game, however, having missed nine greens over the two rounds so far.
A further shot behind Ko and and Pace were Canadian Rebecca Lee-Bentham and Korean So Yeon Ryu.
The third of the four-round tournament started Sunday morning (NZT).
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