Essential skills for an athlete's agility and speed training include coordination, balance, and reaction time. Agility refers to the ability to change direction quickly while maintaining control and movement efficiency. Training typically involves practices like footwork drills, plyometrics, and sprints, which help build muscle strength and improve quickness. Additionally, focusing on endurance is vital as it supports overall fitness and performance. Athletes must also develop a strong mental focus to react swiftly under pressure. Integrating these skills into regular training results in improved performance in competitive scenarios.