Shin splints—when left untreated—quickly become one of the worst running-related injuries that’ll hinder your workout. You can get them by increasing your running frequency, intensity, or duration, not to mention, improper form or poorly-fitted shoes cause them to inflame. The effect? Lots of burning lower-leg pain that can cripple your workouts and keep you from racing. Learn how to prevent and treat shin splints, so you don’t enter your first spring race behind.