Through the test of 450 participants of the Ezhou Super Half Marathon in 2021, the relationship between the attractiveness of the marathon and the satisfaction of the participants was explored, and the relationship model between the attractiveness of the marathon and the satisfaction of the participants was constructed. The reliability and validity of the scale were tested by SPSS23.0 and AMOS23.0, and the hypothesis was tested by correlation analysis and regression analysis. The study found that: (1) The overall satisfaction of the participants participating in the marathon is relatively high; (2) The attractiveness of the marathon has a significant and positive impact on the satisfaction of the participants. (3) In the attractiveness dimension of marathon events, process experience and event services are significantly positively correlated with participants' satisfaction; in the attractiveness dimension of marathon events, event quality and participation costs are not related to participant satisfaction. The research results show that the higher the attractiveness of the marathon, the better the satisfaction of the participants. In view of the basic situation of the satisfaction of marathon participants, the host city should provide participants with high-quality race services and process experience, enhance the attractiveness of the race, and then create a domestic gold medal IP race.