Jenny Rosenberg started and finished strong on Saturday, putting the state golf title within striking distance.

The Cold Spring Harbor senior shot a 1-under 70 on Bethpage Yellow, putting her in a tie for second place after Day 1 in the 79-player field. Lauren Peter (Carmel High School in Putnam County) leads after shooting a 68, while three-time reigning champion Lindsay May (Auburn) shot a 72 and is in fourth. The final round is Sunday on the Yellow.

Syosset’s Malini Rudra and Jericho’s Emilie Guo were Long Island’s next top scorers, as both shot a 79 to tie for 11th.

“Things were really working well for me on the front nine,” said Rosenberg, who was 2-under at the turn after birdieing the par-5 sixth hole and par-4 ninth. She was 1-over after 16 holes, before she birdied both the 17th and 18th holes.

“I really wanted to do well on the last two holes,” she said. “I was putting for eagle on [the par-5 17th]. I two-putted for birdie. Then I came on 18 just wanting to finish well.”

That she did, as a long drive and solid approach preceded a putt that gave her a 3 on the par-4 hole.

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Rosenberg, who won her second consecutive county title in May, said before the season that her goal was to win a state title. She took fifth as a sophomore before playing through an injury to tie for 19th last season.

“The wind was tough,” Rosenberg said of the conditions on Saturday. “It was hard to get the distances right, but I played around it.”

“It’s really exciting to be in this position and I really want to do well on Day 2,” she added.

Rudra recovered from a tough start by shooting 1-under on her final nine holes. Her teammate Sarah Sung is in 14th with an 80, two strokes ahead of Smithtown West’s Emily Montagnino (82).

Jericho’s Morgan Yi (83) and Manhasset’s Lauren Chen (83) are tied for 17th, and Mount Sinai’s Jade Hartcorn is in 23rd after shooting an 84.