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On rest and recovery days it is important to avoid doing the worst thing you can do for your body... nothing. Examples of rest and recovery activities are walking, static stretch exercises (after a warm up and loosening up period), dynamic stretching, swimming, water running, and riding a bike.
What to Do on Rest and Recovery Days. There are as many different types of runners as there are people who run. But one misconception that many runners hold in common is a work ethic that too often precludes rest. Some runners have to be held down in order to get the rest the body requires.