The purpose of this study was the design and testing of a development model for the disability sports ecosystem in Iran. The research method was descriptive-correlational. The statistical population included top managers, experts, and active members of the National Paralympic Committee and the Federation of Sports for the Disabled; selected managers of rehabilitation centers in provincial capitals; and physically disabled athletes (with a minimum of 5 years of sports activity and recent medal achievements). Purposive sampling was used. The sample size, based on the sufficient number for modeling in PLS software, was estimated to be 100 individuals (10 to 20 times the number of questions related to the variable with the highest number of questions, which was 5 questions). Out of 150 distributed questionnaires, 137 were entered into the analysis process. To assess content validity, feedback was sought from 8 scientific and executive experts. Subsequently, composite reliability and construct validity were examined and confirmed in the final stage using PLS software. The results of the factor analysis of the main variable constructs indicated that all components played a significant explanatory role. Path analysis also showed that the relationships between variables were positive and significant, and the conceptual model had an excellent fit. The positive and significant relationships among the model's variables demonstrate its scientific validity in analyzing the current situation and predicting pathways for enhancing sports participation among people with disabilities at the national level.