Marathon Swimming skillfully combines water sports with traditional marathon and innovation. Based on symbiosis
theory viewing, taking Wuhan Marathon Swimming as an example, it deeply reflects the strong urban cultural characteristics
and has its unique cultural advantages in cultural identity, cultural confidence, cultural excavation and cultural inheritance. To
explore the innovation path by means of literature and materials, logical analysis: concept consensus—marathon swimming and
urban culture need to continuously improve the degree of symbiosis; Supply and demand co-construction—teadily forming an integrated, symmetrical and mutualistic symbiosis model; Adhering to the shared—marathon swimming and Urban Culture
Integration Interface; Development and Win-win—marathon swimming and urban culture to create a symbiotic environment.