马拉松热背后的营养挑战

Core Insights - The article highlights the nutritional deficiencies among marathon runners in China, emphasizing the need for better dietary practices to enhance performance and health [2][3][11] Group 1: Research Findings - A study involving 8,251 marathon runners revealed that the majority of participants have inadequate carbohydrate intake, with many misunderstanding the importance of pre-race nutrition [3][5] - The average daily water intake among runners is approximately 1,200 milliliters, with over 70% not meeting recommended hydration levels, leading to dehydration risks [5][6] - Gastrointestinal symptoms are common, with 26.1% of runners experiencing issues during training or races, particularly among male participants [5][6] Group 2: Nutritional Knowledge and Practices - The study indicates a gradual improvement in runners' nutritional awareness, yet many still rely on social media for dietary information rather than professional resources [7][11] - Nearly 70% of runners use nutritional supplements, with energy gels being the most popular, but there is a lack of understanding regarding the appropriate use of these products [6][7] Group 3: Recommendations for Improvement - Runners are advised to adopt a systematic approach to hydration and nutrition, including pre-race meal planning and consistent hydration practices [8][9] - The article suggests that event organizers should enhance nutritional education and optimize aid station layouts to improve runner safety and experience [11] - There is a call for the development of a comprehensive nutritional support system that includes training for sports nutritionists to better serve the needs of runners [11]