Laura Myerscough of Charleston, Ill., shot the days best score of 71 Thursday and holds down second place with Laura Rowe of Bedford, N.H. Myerscough opened with a 79 Wednesday while Rowe has posted 76-74.
In a third-place tie is Arees twin, Naree, the tournaments defending champion. Naree, of Bradenton, Fla., shot a 74 to go with her opening-round 77 and stands at 151. She is tied with Corey Weworski or Carlsbad, Calif.
Regine Parker on Hobe Sound, Fla., held the first-round lead with a 74, but had an 80 Thursday.
The 72-hole tournament runs through Saturday.