Elite athletes: They're quick, competitive and nearly 40

They're better at translating strength to propulsion."

"You don't see endurance athletes win at age 20," he said. "If you take care of your body and you enjoy what you're doing, these are the two major parameters that can keep you going. "The paradigm is shifting -- that's not considered as old as it used to be."

Elite athletes such as Torres, Gebrselassie and Armstrong, can surround themselves with a crew of nutritionists, physiologists, chiropractors and experts who dispense the latest technology and advice.