Event economy is a new type of industry format based on high-level sports consumption demand,value proposi-tion change and technological innovation. The current marathon hot is the embodiment of the race economy. City named after the marathon race by setting the city with the characteristics of the race journey to the development of the city has a positive meaning. In this paper,based on questionnaires,study the relationship between economic and marathon races between participants,through descriptive and empirical analysis,draw the following conclusions:First,the contestants participating expenditure and income were positively correlated,which means that the higher the income,time more abundant population of middle-aged keener cultural and sports consumption. Second,this is the Internet plus age,race economic consumption has a strong social network,has multiple channels,network and social development trend;Third, Race expenditure and participate in the annual number of entries was a negative correlation,that is spent each competi-tion will increase the number of entries has been squeezed out.