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>>I've got great advice for anyone wanting to run in a marathon. Sit down and wait until the urge passes. The guy who wrote the book on jogging died from it! Have you ever been driving down the road and seen a jogger who was smiling? That should tell you something.
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>It's been years since I did any running to speak of but I haven't forgotten that it isn't all drudgery and pain. The so-called "runner's high" really exists. As far as Jim Fixx, he had serious heart problems before he took up running. It probably lengthened his life, not shortened it. The health risks of running are minimal compared to those of being overweight and sedentary.

Yeah, so you totally ignored the part about a smiling jogger! My knees got done in playing high school football, plus jogging, weight lifting, horses, motorcycles, etc. Now that my back has been surgically repaired, I am getting back into some hiking, but I will never be a jogger again. I'm not going to miss it.