Sudden cardiac death syndrome is rare in competitive athletes, however, when it occurs, it is a serious event, with broad social implications. Among the most common reasons for sudden cardiac death during or after vigorous physical activities are several conditions like; hypertrophic cardiomyopathy, arrhythmogenic right ventricular dysplasia, anomalies of coronary arteries, inherited channelopathy syndromes, and others, which occur less frequently. Several hundred thousands of young individuals are enrolled in competitive sports or repeated vigorous physical activities, so the development of more efficient systems for prevention of unwanted cardiovascular complications is becoming a major health and social objective. Due to of excellent temporal and spatial resolution, structural and functional analysis, tissue characterization, as well as precise structural analyzes of right ventricle, or other anatomic structure that is not easily imaged by echocardiography; cardiac magnetic resonance is a valuable and reproducible diagnostic tool for distinction of athlete’s heart from cardiomyopathy. (1-3)