There are times in every runner's career when things could use a reset. Perhaps your running is just not feeling right, things are just not working for you and you're at a loss. Maybe you're injured. Maybe you've lost your motivation. When you get to that point, it's important to take some time to check in with yourself to see if you've been making some of these common running mistakes. Whether you're training for your first marathon or first mile, chances are you could benefit from this advice.