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It’s never a bad time to start getting into shape. Whether you want to work off some extra holiday calories, you’re trying to get ready for a summer adventure, or you just want to start feeling better every day, working out has tons of physical and mental benefits.
But whether you want to begin by training for a competitive event like a marathon or triathlon or just kick off a regular gym routine, you may run into a few surprises along the way.
Business Insider spoke with Dan Arnett, a professional triathlon coach, to see what surprises people encounter while getting into shape. Here are his top five.