摘要：The objective of the present study was to investigate the effect of Mental Hardinesson Happiness and Sport Performance among Futsal Player Female Students In the championship of Iran universities. The population of this study consisted all players of teams that participated in the Women Futsal Championships of Universities Across the country (168 people) that Method of sampling was the census. The data analyzed by method of Partial Least Square and Sobel test. Findings indicated that Mental Hardinesshas a direct and significant impact on Happiness and Sport Performance. Also the Happiness has a positive and significant impact on Sport Performance. Finally, the results of studying the role of mediator variable showed that Mental Hardinesshas an indirect and significant impact on Sport Performance through Happiness. According to the findings, suggested to the Student teams' officials and coaches, do not neglect the role of psychological skills in achieving the desired results and to improve their athletic performance by training and practicing these skills.
