Training and preparation is the most important thing when it comes to running. You can't just do a few sprints and call yourself ready for a marathon. It's important to find your own personal skill level and start off with workouts that fit you for a set period before any big event, like a race or some sort of game. Mental Preparation also plays a big part in your performance, believe to achieve. My book says to keep a P.M.A., a positive mental attitude. When you think positively, your brain gets more driven to achieve your goal and you increase you likelihood to succeed.