Core Viewpoint - The article discusses the increasing risks associated with marathon events, particularly highlighting a recent incident where a participant died due to underlying health issues during the race. It emphasizes the importance of health assessments for participants, especially those over 40 years old, before engaging in high-intensity sports like marathons [3][4]. Group 1: Incident Overview - A participant in the Chongqing Marathon collapsed shortly after passing the 42 km mark and was later pronounced dead despite immediate medical assistance. The event organizer attributed the incident to the participant's personal health issues [3]. - The frequency of marathon events has surged, leading to a higher probability of unexpected health incidents among participants [3]. Group 2: Health Risks and Recommendations - Data indicates that among marathon participants, there is a likelihood of one case of cardiac arrest for every 50,000 to 100,000 participants, often linked to undiagnosed heart conditions such as coronary artery disease and hypertrophic cardiomyopathy [3][4]. - Experts recommend that individuals, particularly those over 40, undergo cardiovascular health assessments before participating in marathons to identify any potential risks [4]. - The article highlights that extreme physical exertion can trigger cardiac events in individuals with pre-existing conditions, emphasizing the need for caution and proper training [4].

近年来，各地马拉松赛事如火如荼，参赛报名选手也越来越多，随之而来的意外风险事件的概率也在变 大。 "马拉松是一个极限运动，对人体是巨大的挑战。在这种应激的情况下，如果原本就有基础疾病，那么 极限运动可能是猝死的一个诱因。"他说道。 此外，运动反应性高血压风险也可能会促进心血管事件的发生：一方面，高血压可促进冠状动脉粥样硬 化形成，使冠状动脉管腔变窄；另一方面：当血压突然急骤升高时，可能使斑块破裂、脱落，形成血 栓，堵塞冠脉，导致心肌梗死，急性猝死。 1月20日，重庆马拉松主办方证实，在1月18日举办的重庆马拉松赛事中，一名参赛选手刚跑过42公里标 志牌处，突感不适并扶栏倒下。事发后现场医护人员在数秒内抵达施救，但该选手最终抢救无效不幸离 世。主办方称，事件系选手个人身体原因所致。 有相关数据显示，在马拉松参赛者中，每5万至10万人中，可能会发生一例赛后心脏骤停的情况。导致 这种情况发生的原因，往往与心脏疾病相关，包括隐匿性冠心病、房颤、心肌肥厚以及运动后暂时的心 脏损伤。 专家表示，虽然规律、科学的马拉松训练和参赛对大多数健康人的身体有益，但如比赛准备不充分或在 身体不适的情况下仍坚持高强度的运动，则可能带来 ...