The article considers the development of special working capacity of skiers-racers with the use of work-rest regimes, which is an effective means of selective influence on the indicators of general and special working capacity, coordination structure of movements, reactions of body service systems.
 The purpose of this study is to determine the effect of different modes of alternation of work with rest and the tasks of action in the training lesson when using the segment of 1000-2000 m on the change of individual elements of technology, speed, speed endurance when overcoming climbs.
 Objective of the study: to determine the cumulative effect of the use of different modes of alternation of work with rest on the change of the main indicators of special performance of skiers in the process of training lessons.
 The research methodology consisted of the use of repeated functional loads.
 A technical and tactical model of competitive behavior at a distance in the process of training and competition depending on the conditions and relief of the competitive distance is proposed.
 A comparative analysis of the effectiveness of the use of training programs at different stages of sports training showed the advantage of the method of development of special ability to work, based on the principle of selective and variable influence of lesson models with known effects on the athlete.
 The results of research allow us to create models of training lessons that selectively affect different body systems and contribute to more accurate management of the development of special working ability.
 The use of these models in the general structure of the methodology for the development of special working capacity creates an opportunity to comprehensively influence the person as a complex organized system of self-regulation.
 The practical use of the research results optimizes the process of sports training management for a longer period of time.
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