4 rounds each for time:
5 Touch and go Squat Clean
Rest 3 min
There are many reasons why we don’t recommend people go out and pound the pavement for long distance runs. This isn’t just a personal bias we have against long distance running (which we do have), but an opinion that is being more and more supported by science. It doesn’t matter if you are an elite marathon runner or just someone looking to stay active, there is a point where too much running can actually be harmful.
Here is an excerpt from a recent article from the Wall Street Journal:
New Research Says Endurance Running May Damage Health
Over the last few months, during the endurance-athletics off-season, something extraordinary happened: The line began to blur between the health effects of running marathons and eating cheeseburgers.
“I’m not worried,” says veteran running coach Mark Sullivan, who has run more than 150 marathons, joking that “there are guys who live to be 100 smoking cigarettes and eating cheeseburgers.”
Endurance athletes have long enjoyed a made-of-iron image. But amid mounting evidence that extraordinary doses of exercise may diminish the benefits of modest amounts, that image is being smudged. That extra six years of longevity running has been shown to confer? That benefit may disappear beyond 30 miles of running a week, suggest recent research.
The improved blood pressure, cholesterol levels and robust cardiac health that exercise has been proven to bestow? Among extreme exercisers, those blessings may be offset partially by an increased vulnerability to atrial fibrillation and coronary-artery plaque, suggest other recent studies.
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