Old for their sports, yet still vying to be at the top of their games, Tom Watson and Lance Armstrong showed the skills that made them great when they were young haven't faded away with the years.

The 59-year-old Watson lost his bid to become the oldest British Open champion in a playoff on Sunday in Scotland. Meanwhile, the 37-year-old Armstrong clung to second place in his bid to win an eighth Tour de France.

"Age is certainly not a barrier" to competing at the highest levels, said Dr. Marc Philippon, an orthropedic surgeon whose pro athlete patients include Watson. "The added dimension of making history" probably helps them perform when the competition gets fierce, he said.

Philippon did hip surgery in 2000 on golfer Greg Norman. The Shark tied for third and at one point led last summer's British Open - at age 53. He missed the cut this weekend at Turnberry, Scotland, while Watson was chasing history.

Few aging athletes wind up like swimmer Dara Torres, who won three Olympic silvers as a 41-year-old swimmer last summer. Golf is one sport where they stand a good chance of staying competitive.

"Golf does not require the same aerobic capacity or fitness - it's a skill game," and skill can be maintained, said Dr. Andrew Gregory, a Vanderbilt University sports medicine specialist.

"To be a great old athlete you probably have to have been a great young athlete," said Carl Foster, past president of the American College of Sports Medicine and a professor at the University of Wisconsin in LaCrosse.

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