Beatriz Recari carded a 5-under 67 on Friday to move 1-shot clear of the field after two rounds of the Kia Classic.
Recari finished 36 holes at 8-under-par 136. The Spaniard claimed her lone tour title at the 2010 CVS/pharmacy LPGA Challenge.
Karrie Webb managed a 2-under 70 at Aviara Golf Club to remain tied for second place at minus-7. She was joined there by Paula Creamer (68).
First-round leader Jane Park carded an even-par 72 and slipped into a share of fourth place at 6-under-par 138. She stands alongside Cristie Kerr (68), 2010 runner-up Inbee Park (69), I.K. Kim (67) and Haeji Kang (69).
Recari did all of her scoring in a 7-hole stretch on Friday. After four pars to open her round, Recari converted back-to-back birdie efforts at the fifth and sixth.
The Spaniard dropped in a birdie at No. 9 to make the turn at 6-under.
Recari followed with birdies on the 10th and 11th to grab the lead at minus-8. She parred the final seven holes to end there.
"I had great momentum from yesterday, I played really well. I felt like I left some putts out there. It was kind of shaky to putt on the greens yesterday," Recari stated. "I just played really solid. I think I just missed one green and just gave myself some chances."
Webb played the back nine first on Friday and carded eight pars and a lone bogey in her first nine holes. After a par on No. 1, Webb birdied the second to move back to 5-under.
The World Golf Hall of Famer birdied the par-5 fifth and par-4 seventh to get to 7-under. Webb parred her final two holes to end one back.
"I hit it pretty similar to yesterday, probably just didn't make as many putts today as I did yesterday. I think the pins are a little bit trickier, I found anyway, than yesterday," stated Webb. "So I had a good last nine holes. I turned in 1-over, but I felt like I was still playing pretty good. Three birdies on the back, so it was a pretty good round."
Creamer also started on the back nine and birdied her first hole. She wrapped birdies at the 13th and 15th around a bogey at No. 14.
The nine-time winner on the LPGA Tour parred five in a row around the turn.
Creamer moved to 7-under with back-to-back birdies from the third. She tripped to a bogey at the par-5 fifth, but got that shot back as she birdied the ninth, her last.
"I played well the last couple days. Yesterday, I didn't hit it as solid as I wanted. I hit some balls afterwards, kind of found a couple things, and today made some more birdies, but had two bogeys still," Creamer said. "There's big greens out here, so you get in a tough spot and sometimes you hit in little hills, you hit a good shot and you don't get rewarded and that's kind of the hard part about it."
NOTES: Jin Young Pak had a hole-in-one on the par-3 14th ... The cut line fell at 3-over-par 147 with 73 players advancing to the weekend ... Among those that missed the cut were Angela Stanford, Michelle Wie, Morgan Pressel, Karen Stupples and Brittany Lincicome.