Cardiac rehabilitation remains an indispensable tool of the cardiologist’s arsenal for improving cardiovascular health in his patients. The range of applications of cardiac rehabilitation has increased over time. In recent years outstanding athletic performances of elderly people have been reported. In this article we present the benefits of cardiac rehabilitation for elderly population and for elderly athletes. We also make an analysis of the elderly participation in WizzAir Cluj-Napoca Marathon: number of finishers, best running time, evolution of running time over years, male-to-female ratio participation and results. Key words: cardiac rehabilitation, elderly, marathon, semimarathon, Wizz Air,