This article provides the information about the level of physical and psychological endurance of participants in the Track and Field. It analyses methods, and which help to strengthen endurance, and physiological stress factors which athletes can face to  during the marathons and their influence  on psychological stability. Moreover, the article explains the importance of special activities, which should be done in the process of preparation, dietary habits and mental preparation in details. The results of research present practical suggestion about improving the score of  athletes and reduction on physical injuries.

Track and Field , Marathon , Physical endurance , psychological endurance , preparation, the management of stress, nutrition, sport physiology.

Usmonov, M. (2019). Concept and strategy of Track and Field. Tashkent. Uzbekistan National University press.

Ismoilov, I,&Karimov, S. (2021).Sport physiology. Tashkent: East press

Yoqubov, B. (2020).Physical training and sport concept .Tashkent: Uzbekistan state university of physical training and sport.

Abdullayev, U. (2018). Trainings about running techniques and ranges of marathon. Tashkent: Science and technology press

Smith, R.E. (2006). Applied Sport Psychology: Personal Growth to Performance. McGraw-Hill Education.

Jeukendrup, A., & Gleeson, M. (2018). Sport nutrition: An Introduction to Energy Production and Performance . Human Kinetics.

Moran, A. (2016). The Psychology of concentration in Sport Performers. Routledge. The methods of concentration and reducing stress.

Csikzentmihalyi, M. (1990). Flow: The Psychology of Optimal Experience. Harper & Row. The General View of Psychological Stability and ’’ Flow ,, Position.