Sometimes it feels as though running and injuries go hand and hand. The more you run, the more likely you are to get injured. Why is that? There are so many rules to build mileage, but what is best for you might not be best for your friend.
Most sources state the ten percent rule is a good spot to start when increasing your mileage. It’s similar to BMI and while a good, very basic guideline, it’s not perfect for everyone.