OMAHA, Neb. -- It's never been so crowded at the top of the U.S. Senior Open leaderboard.
When Tom Lehman chipped in from 45 feet on the 18th hole Thursday, he joined six others at 3-under 67 for the first round at the Omaha Country Club.
There had never been as many as seven co-leaders after the opening round of the event. The previous record was five in 1997.
"In one round, 18 holes, it's like a sprint," Lehman said. "Over the course of four rounds, which is more like a marathon, things really do spread out. The field will thin out."
Kenny Perry shot a 67 in the morning, putting together a solid start in his bid for a second straight win in a senior major. Michael Allen and Jay Don Blake also were 3 under after their morning rounds, and Gary Hallberg, Mark O'Meara, Fred Funk and Lehman came in with the same score in the afternoon.
The hilly 6,700-yard course took a toll on the field of golfers age 50 and older, especially in the afternoon as temperatures reached the upper 80s with a light breeze. The small and undulating greens browned up in the heat and proved dicey.
"When you get tough conditions and you're playing good, you get rewarded," Funk said. "More than likely, the guy that's playing the best in these kind of conditions will be at the top. Hopefully, it will be me."
Perry, who won the Senior Players Championship two weeks ago at Fox Chapel, Pa., made five birdies against two bogeys.
The season points leader started on the back nine and had birdies on three of his first eight holes. He hit an 8-iron to within 10 feet on the par-3 11th, drove the green on the 312-yard, par-4 13th, and hit hybrid-pitching wedge on the 319-yard, par-4 17th and made his 15-foot putt.
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