Abstarct: Purpose: The purpose of the current research was to design of experience co-creation model in Iran's sports tourism. Method: The current research was of mixed type. The participants in the qualitative stage included 10 sports tourism experts and researchers in the field of co-creation and in the quantitative stage, they included 15 tourism specialists who were selected in a targeted way. The data collection tool in the qualitative part was a semi-structured interview and in the quantitative part a researcher-made questionnaire, the factors of which were extracted through the study of the qualitative part, and the research pattern was drawn through the outputs of DEMATEL software. To improve validity and reliability, two review methods were used by participants and non-participating experts in the research. Findings: Taking into account the repetitive codes of 102 basic themes, 19 organizing themes and 3 inclusive themes, the antecedents, processes and consequences of experience co-creation in Iran's sports tourism were obtained. In between, 38 basic themes and 7 organizing themes (local culture, tourism economy, tourism scientific environment, individual characteristics and capabilities, motivations, organizational dynamics and market research) under the overarching theme of experience co-creation antecedents in Iran's sports tourism, 28 basic themes and 5 organizing themes (creation of dynamic organization, working team development, Conversation and interaction, creation of shared commitment and participation) under the comprehensive theme of the co-creation process of experience in Iran's sports tourism and 36 The basic theme and 7 organizing themes (improving behavioral tendencies in tourists, booming the tourism economy, tourism infrastructure development, increasing the level of social welfare of the host community, promoting social capital, cultural promotion and value creation) under the comprehensive theme of experience co-creation consequences in Iran's sports tourism. The results of the quantitative part showed that the most influential component in the antecedents of experience co-creation including the component of individual characteristics and capabilities, in the process component the creation of shared commitment, and among the outcomes the component of social capital promotion were identified. It was also found that organizational dynamism in the antecedents, creation of dynamic organization in the processes and booming the tourism economy in the consequences were recognized as the most important components. Conclusion: According to the results, it is necessary for the decision-making organizations to focus on the effective and important factors for the development of sports tourism.