Abstarct: The present study was conducted to investigate the relationship between marketing intelligence and entrepreneurial orientation with competitive advantages in sports businesses. The method of the present study was a field survey. The statistical population included sellers of sports goods that were members of the Mashhad Kharazi and Sports Equipment Union that there were 140 of them. In this study, no sampling was done and research questionnaires was distributed among all members of the population. After collecting the questionnaires, 117 questionnaires were analyzed. Research tools included three standard questionnaires, which are: Marketing Intelligence questionnaire (Eslami, 2014) with 15 questions; Entrepreneurship Orientation Questionnaire (Hawks and Morgan, 2007) consisting of 15 questions; And Competitive Advantages Questionnaire (Anbari, 2014) including 6 questions. For data analysis, partial least squares approach of the structural equation model was used. The whole process of data analysis was performed in SPSS software version 20 and PLS version 2. The results showed that marketing intelligence has a positive and significant effect on both variables of entrepreneurial orientation and competitive advantage of sports businesses. Also, the results showed that entrepreneurial orientation has a positive and significant effect on competitive advantage in sports businesses. Also, Entrepreneurial orientation, as a mediating variable, has a significant effect on the relationship between marketing intelligence and competitive advantage of sports businesses. In general, this study can help sports sellers and marketers gain a better understanding of competitive situation of market. Information about competitive advantage and the extent and manner of impact of the variables on it, can be used to develop national, regional and global markets for Iranian sports products.