An athlete faces many challenges in adequately preparing for competition in the weeks leading up. They must be prepared physically, mentally, nutritionally, and able to recover appropriately. This includes training to tolerate changes from exercise and prevent fatigue, adapting to different travel and environmental conditions like jet lag or altitude, and managing arousal, concentration, fluid intake, and nutrition around competitions. Proper preparation is crucial to performing at one's best and avoiding injury during high-stress competition periods.