You need to prepare well so that you can be successful in your cross country running. First, you need to practice well. For your muscles to get used to running, you need to practice each day. For instance, if you expect to participate in the cross country running in the coming weeks, you need to come up with a training program which you can follow to get fit. Your muscles will develop the necessary endurance you need when running if you can practice well.
You should as well check on your nutrition. Eat a balanced diet to gain the necessary energy. Proteins are very necessary in helping you recover after muscle strains. To increase your intake of proteins, you can incorporate supplements in your diet which will play a great role in helping you develop the necessary endurance you need to succeed. Buy the right running gear which will help you train as well as participate in the running sessions well.