Cross-training is significant for athletes as it enhances overall performance while reducing the risk of injuries. This approach involves engaging in different types of workouts, allowing muscles to recover from the primary sport. It also improves versatility, boosts cardiovascular endurance, and develops different muscle groups that may be underutilized. Additionally, cross-training can prevent burnout by keeping training interesting, allowing athletes to stay motivated. Ultimately, implementing cross-training into an athlete's regimen creates a balanced skill set, contributing to success in their main sport.