Dave Brewer likes to run. He ran yesterday. If he’s alive and not in traction, he ran today. He ran every day last month, and every day last year, too, and on April 16, 2011, he will celebrate one quarter of a century without missing a single day of covering at least two miles. In the running world, people like him are called streakers, but Brewer, a 56-year-old financial manager from Herndon, Va., says “the technical term is ‘idiot.’ ” Brewer is also modest. I learned about the streak only because I was bragging to him—he’s an old friend—about jogging six days a week for a year, and he casually mentioned it.