The guide "Scientific Approach of Training to Enhance Sports Performance" offers a comprehensive analysis of modern training methods aimed at improving athletic performance. Given the increasing demands on athletes in competitions, the role of coaches is becoming ever more complex. This guide aims to integrate scientific insights into the practice of high-performance training to develop effective and adaptable solutions. By connecting various disciplines and applying current research findings, a harmonious training process is promoted that enhances the efficiency and performance of athletes across different sports. The guide is particularly valuable for coaches, sports scientists, and athletes who wish to expand their knowledge and optimize their training methods.