Троеборье is a combined sport that includes three disciplines: плавание, велоспорт, and бег. Athletes compete in these events sequentially, showcasing their versatility and endurance. The competition typically takes place over one day, with participants aiming for the best overall time. In троеборье, each discipline tests different physical skills. Плавание challenges speed and technique in the water, while велоспорт focuses on cycling strength and stamina. Finally, бег assesses an athlete's speed and endurance on land. Together, these events create a comprehensive test of athletic ability.